essay ideas for biology

240 Interesting Biology Topics for Essays & Research Papers

Biology is often called the science of life. From bacteria to whales, biologists study all kinds of organisms. Have you ever wondered why bees dance? Or how can chickens be the closest modern relatives to dinosaurs? The buzzing world is full of complex wonders like these. That’s why it’s so easy to find a biology research topic of your liking.

If you need to craft a biology essay, this article is for you. Here you can learn about research areas and fields in biology. Besides, you will find 220 interesting biology topics to write about. Read on to refresh your knowledge of microbiology, epidemiology, and more.

Tight deadlines are demanding for all students. Luckily, our custom writing service is there for you! With our help, your biology project will be done in no time.

🔝 Top 10 Biology Research Topics

📚 areas of research in biology.

⭐ Top 10 Interesting Biology Topics for Essays

🍎 Biological Topics for High School

🦠 Microbiology Topics
💀 Anatomy & Human Biology
🔬 Cell & Molecular Biology
♻️ Environmental Biology
🐬 Marine Biology
🌻 Plant Biology
🧬 Evolutionary Biology
👶🧑 Developmental Biology
😷 Epidemiology & Population Topics in Biology
📜 History of Biology

🔍 References

Are viruses alive?
How do emotions work?
What is the role of hormones?
Ways to recover endangered species
Are allergies a sign of immune disorder?
What is the function of chromosomes?
Robert Hooke’s contribution to biology
The difference between Darwinism and evolution
The process of bacterial invasion of the body
Ways to strengthen the human immune system

Biologists operate on a vast scale. Naturally, there are plenty of research areas. Let’s sort them out:

Microbiology. Microbiologists examine minute organisms. Many of them, such as viruses, can cause infectious diseases. Because of this, microbiology is strongly linked with immunology.
Anatomy. Anatomical research focuses on the structure of tissues and organs.
Cell and molecular biology. Cells are the basis for every living being. The key topic in this area is the molecular organization of cells.
Environmental biology. Our environment needs support, and environmental biologists provide it. They study ecosystems to find out how humans affect nature. Scientists in this area also observe how organisms react to their surroundings.
Marine biology. This branch is concerned with life in the deep seas. Oceanography is a crucial part of marine biology.

Botany. This study is also called plant biology. It studies the properties of organisms that need sun and water to survive. Common categories of plants include trees, shrubs, and flowers.
Evolutionary biology. All that lives is always evolving. Organisms create, merge, and delete genes. Evolutionary biologists monitor these changes.
Developmental biology. Research in this area includes studying tissue regeneration and cell growth.
Epidemiology. Epidemiologists investigate diseases and health conditions. Key questions include: Where does a disease originate from? How does it transmit? What risks are there?

With this overview in mind, you’re ready to choose an interesting biological topic.

⭐ Top 10 Interesting Biology Topics for Essays

4 types of biotechnology
Main branches of biochemistry
Pros and cons of gene therapy
Exobiology vs. astrobiology
Biological functions of the DNA
Levels of biological organization
Properties of the phylogenetic tree
Classification of invertebrate animals
History of modern light microscopes
The early modern period of plant systematics

From peas to platypuses: high school biology covers a wide range of topics. In your biology essay, you’ll have the chance to familiarize yourself with any of them. Your options are almost endless! Consult our list of 20 popular ideas to get your research started:

Compare the types of cell reproduction.
How did Gregor Mendel discover heredity?
Cell structure: prokaryotes vs. eukaryotes.
Enzymes: what do we need them for?
Explain how photosynthesis converts CO2 into O2.
How does the human metabolism work?
What are the differences between mitosis and meiosis?
How do you predict the probability of inheriting a gene?
Describe the structure of DNA.
What is PCR used for?
Biotechnology: the mechanisms behind cloning.
Survival of the fittest: what does natural selection mean?
Discuss the latest evidence for Darwin’s theory of evolution.
The tree of life: how does this concept depict the relationships between species?
What kind of strategies do organisms use to get nutrition?
Dinosaurs and their modern relatives: what do we know about them?
How does our nervous system transport information?
Explain the mechanisms behind the carbon cycle.
Examine the human impact on biodiversity.
What factors regulate population dynamics?

🦠 Microbiology Research Topics for Students

The world of microbiology consists of tiny organisms. Researchers study microbes and other simple life forms such as bacteria and fungi. This way, they aim to solve environmental as well as medical issues.

How do microbes develop resistance?
Give an overview of our immune system’s defense mechanisms.
Contrast the types of microbiomes.
What are the industrial applications for microbiology?
How do you degrade soil pollutants using microbes?
Investigate examples of agents that kill bacteria.
What makes yeast versatile?
The differences between virions and viroids.
What are acellular agents?
Give an overview of the biochemical properties of fungi.
What are possible causes for asthma?
The relationship between stress and our immune system’s performance.
How do vaccines work?
Examine the structure of archaeal genes.
Why is microbial diversity important?

How do microbes contribute to an ecosystem?
The role of microbes in food contamination.
How do bacteria turn milk into yogurt?
Applications of microbial biotechnology.
Describe the four groups of protozoa.

💀 Anatomy & Human Biology Topics

Human biology studies people as single organisms and in the context of populations. Two of its essential parts are anatomy and anthropology. The latter studies the evolution of humankind. The former is more concerned with body structure. Combine all three subjects to gain a 360° view of humanity!

Describe the functions of the respiratory system.
What happens to your body if you’re anemic?
Outline the history of the human population.
How does medical anthropology help us understand health?
Reading bones: what types of information can osteologists gather?
Biomechanics: what makes humans move?
Compare the proposed effects of various current trends in nutrition.
Explore the psychological factors that influence one’s health.
How does your brain control your behavior?
Synapses: structure and mechanisms.
Explain how kidneys filter blood.
What regulates muscle contraction?
Discuss the new reproductive technologies from an anthropological perspective.
Describe the structure of a skeletal muscle fiber.
The cerebral cortex: what does it do?
Brain, hormones, and emotions.
Functions of the sodium-potassium pump.
Examine what blood consists of.
What happens when your heart skips a beat?
Is the growth in the human population out of control?

🔬 Cell & Molecular Biology Research Topics

Your body’s fundamental structure is made up of cells. Their properties are in the center of interest for cell biologists. They investigate a cell’s life cycle and its vital functions. On a molecular level, this includes the role of chemical processes in cell activity.

How does cancer affect the body’s cell growth?
The protein paradox: what is the right amount of protein?
How do cells heal bones?
The ethics of stem cell research.
Investigate the communication methods between cells.
Explore the link between the environment and our DNA.
Current trends in molecular biochemistry.
Telomerase: will it ever be possible to reverse aging processes?
What do we know about axon guidance?
Where does our brain keep the memories?
Why do cells become sticky?
High-resolution microscopy: ways to advance molecular research.
How do cilia move cells?

Treating glaucoma: is surgery always necessary?
The role of microtubules in the nervous system.
Diffusion: means of transport within cells.
What does the central dogma of molecular biology state?
Trace the steps of DNA translation.
Why do cells need to eat their dead counterparts?
How does protein biosynthesis work?

♻️ Environmental Biology Topics to Research

Environmental biologists ensure our harmonic coexistence with nature. They are also in charge of monitoring wastewater disposal and pollution levels. This branch is closely related to ecology.

Discuss the importance of light in different bodies of water.
Aftermath of building the Hetch Hetchy valley dam.
The devastating impact of deforestation in the Amazon.
Analyze the consequences of desertification.
How do genetically modified insects influence the environment?
What would happen if all the bees die?
Compare several methods of wastewater disposal.
What were the ecological effects of Indonesia’s Mega Rice Project?
The Great Pacific Garbage Patch: will we ever get rid of it?
How do worms indicate the state of an ecosystem?
Why is it important to conserve biodiversity?
DDT: how did it affect wildlife in the US?
What causes toxic algae bloom?
Compare the adverse health effects of common contaminants in the air.
The Aral Sea: how did it disappear?
How do genetically engineered crops impact the environment?
Indoor air pollution: causes and risks.
The pros and cons of using natural gas.
Trace the ecological footprint of cotton production.
What are the ways to ensure food security without harming the environment?

🐬 Marine Biology Topics for a Paper

Fun fact: the vast majority of our oceans are still unobserved. Research in marine biology encompasses all organisms living close to or under water. Do you want to participate in uncovering the mysteries of the deep sea? This section is for you!

How does luminescence in marine vertebrae work?
Dolphins: how do they communicate?
The impact of military sonar on whales.
What makes the Galapagos Islands so unique?
Compare different camouflage techniques of marine animals.
How do aquatic organisms live together in coral reefs?
Causes of high mercury concentrations in fish.
Investigate the impact of overfishing in China.
Explain how rising sea temperatures affect marine life.
Contrast the survival strategies of various penguin species.
The ethics of seafood farms.
Examine bacteria’s contribution to biological processes in the sea.
What are the types of invasive species?
The contribution of birds to a stable marine ecosystem.
Identify the biggest threats to marine biodiversity.
Inspect the predatory behavior of starfish.
How do corals form?
The importance of phyto- and zooplankton to ponds.
Whales: how did they evolve?
What are the four types of oceanography?

🌻 Plant Biology Research Topics

Plant biology, you guessed it, investigates plants. These green organisms are incredibly versatile. From redwood trees to algae, plants come in all sizes and shapes. Scientists use botanical knowledge to improve our food and medicine supplies. They also help to conserve forests, parks, and wilderness areas.

What causes diseases in plants?
What are the benefits of studying algae?
Recently, scientists engineered a plant to glow by itself. How does it work?
What makes some plants toxic?

Compare various defense mechanisms of flowers.
Deciduous trees: what are the advantages of leaf loss?
How do Butterworts acquire nutrition?
Carnivorous plants: methods of luring prey.
Types of negative feedback in plants.
Give examples of thigmotropism. How does it work?
What problems are associated with the definition of kingdoms?
Investigate the anatomical structure of plant roots.
Phytohormones: how do they influence plant growth?
Plants and music: does sound have any measurable effects on plant development?
How do plants produce starch?
Why do weeds grow excessively?
Investigate plant disease management and intervention.
Industrial applications of synthesized plant mechanisms.
Cacti: how do they survive in the desert?
Examine the biological properties of medicinal herbs.

🧬 Hot Topics in Evolutionary Biology to Write About

Evolutionary biologists observe change in all living organisms. If you want to know why life on Earth is so versatile, evolutionary biology has the answer. Research areas cover ecology and genetics, as well as paleontology.

How does stabilizing selection ensure the same phenotype for a species during evolution?
Discuss Tinbergen’s four questions.
What are the benefits of sexual reproduction?
Cancer: why does it persist?
Society and evolution: are they connected?
Southeast Asia and the limited occurrence of the alcohol dehydrogenase gene.
Is there a scientific reason to divide humans into races?
Track the evolution of aging throughout human history.
How does speciation work?
Genetic drift and its effects on variation.
Describe problems concerning the Modern Synthesis.
Selective sweeps: how likely are they to cause disease?
What does the Red Queen hypothesis state?
How do you determine age in herbaceous plants?
Life history theory: how does a species’ life history influence its evolution?
What are the ways for a species to achieve its maximum fitness?
How did the bees learn to communicate information by dancing?
Investigate the evolution of stamina in animal locomotion.
How does an animal’s physiology adapt to its geographic range?
Compare the evolutionary process of endotherms and ectotherms.

👶🧑 Developmental Biology Research Topics

When animals and plants grow, their features change. It’s no surprise: every living being starts as a single cell. It’s a long way from there to a fully formed organism! Developmental biologists track this process at different levels.

Why are men more likely to be colorblind than women?
What is phylogenetic niche conservatism?
Identify origins of congenital disorders.
What causes birds to become territorial?
Explain the two types of developmental mechanisms.
Why does getting older make humans more susceptible to cancer?
Homeotic genes: how do they influence the development of body structures?
Describe the advantages of apoptosis.
What causes polycephaly?
How do stem cells differentiate?
Investigate regeneration in hydra.
Mechanisms of metamorphosis in frogs.
What happened during the Cambrian explosion?
How do plants produce new structures?
Examine the process of neurulation in fish.
What are the types of deformations found in plants?
Describe the ABC model of flower development.
Why are zebrafish good model systems for developmental studies?
Search for the origins of the vertebrate body plan.
What does the concept of morphogen gradient say about the fate of cells?

😷 Epidemiology & Population Topics in Biology

Investigating health-related events is a part of epidemiologic research. The goal is to find out what causes diseases in a specific population. Epidemiology analyzes other health issues such as natural disasters and injuries. Population biology focuses on the interaction between populations and their environment.

How does evolutionary game theory describe the development of a population?
When is a strategy evolutionarily stable?
How does phenotypic variety in plants help manage disease?
What diseases are caused by heavy metal pollution?

How did the Coronavirus pandemic contribute to a rise in cases of domestic violence?
Reasons for an increased rate of congenital disabilities in a specific area.
Asian carp: a harmful disruption of the marine population in American rivers.
Compare the three kinds of population distribution.
Examine the consequences of the 1783 Laki eruption.
Examine various policies to moderate population growth.
How do predator-prey dynamics work?
Avoidance mechanisms of resource competition.
Describe the three types of symbiotic relationships.
How does a species regulate its abundance?
What happens if the equilibrium state of a community is disturbed?
Factors that encourage human population growth.
Contrast the survivorship curves of humans, birds, and trees.
Obesity: causes and solutions.
Depression: how does it affect society?
The role of causal inference in epidemiological studies.

📜 History of Biology Topics to Write About

Even before the emergence of scientific studies, humans had basic biological understanding. They were able to spot edible plants and domesticate animals. Assyrians and Babylonians were the first to implement biological knowledge. If you’re looking for a theoretical research project, this is the right research area for you.

Explore the medical knowledge available in ancient China.
The history of agriculture in India.
How did the Greek philosophers theorize about the origin of life?
Investigate the theory of the four humors.
Aristotle’s classification of animals.
Give an overview of discoveries in Galen’s medical writings.
What caused the stagnation in scientific progress during the Middle Ages?
Al-Jahiz’ discovery of the relationships between organisms.
Albertus Magnus: what was his contribution to botany?
How did Italy become the center for biological studies?
What factors impacted the development of biology during the Renaissance?
Trace the origins of modern anatomy.
What led to the establishment of the cell theory?
Jump starting biological progress: the invention of the microscope.
Louis Pasteur and the dismissal of spontaneous generation.
How did the discovery of heredity influence modern biology?
What led to the discovery of blood circulation?
How did the Royal Society of London impact scientific development in Europe?
What technology helped advance biological research in the 20th century?
The rise of bioinformatics: boosting progress in genetic data analysis.

We hope our article gave you some useful ideas for your biology paper. Good luck with your assignment!

160 Biology Essay Topics

For most science courses, assignments are generally lab-based and rarely require much writing. However, all of that changes in biology courses when detailed essays must be written to highlight a student’s understanding of the subject. These essays are highly technical, with specific comments required to meet the factual nature of the subject.

In addition to meeting the factual requirements needed to complete the assignment, biology essays must also be written in a writing style that is informative and authoritative rather than subjective and personal.

These detailed specifics of writing a biology essay can make completing the writing difficult from the very beginning. Fortunately, we’ve created this guide to help students learn how to write a biology essay. In addition, we’ve also included 160 biology essay topics to help inspire the creative writing process.

How to Write a Biology Essay?

Writing a biology essay starts with choosing a topic. If your teacher has not already assigned a specific topic, then students must choose one that is broad enough to find credible resources and specific enough that the research won’t overtake the writing process.

To select a suitable topic for a biology essay, consider the type of biology class you are taking, the current and previous chapters studied, and the overall context of the course. These factors will help you select a topic that is likely to be relevant to your teacher’s needs and to the passing of your course.

Once students have selected a suitable topic, it’s time to research credible resources that will support the subject. To do this successfully, students need to consider the following:

What information is already known about this topic?
What topics are related or similar to this topic?
Who are credible authors that can explain this topic?
What additional sources will provide me with the information needed to complete this assignment successfully?

For example, if you want to write a biology essay on protein synthesis and its regulation at the transcriptional level, research material would include books, articles, and other written works published by credible authors or publishers. While important, this material isn’t the only type of research that should be completed.

Students may also consider consulting medical and biology dictionaries, textbooks, online research databases such as PubMed or Medline, and professional organizations for biologists to find additional sources. Once the research has been completed, it’s time to create the first draft of the biology essay.

Biology Essay Introduction

Starting an essay is always the same. Students should open with a catchy hook statement that introduces an interesting fact, presents a unique perspective, or raises a thought-provoking question.

Once that sentence has been created, students can use the middle part of the introduction to introduce fundamental concepts and provide background details about the topic.

Once that information has been laid out, and the reader knows the necessary details to make the reading interesting and worthwhile, students should move into the final portion of the introduction that answers the question: WHY is this essay important? This question is answered in the form of a thesis statement that details the essay’s overall purpose.

Biology Essay Body Paragraphs

The body paragraphs of your essay will contain the bulk of your research. Be sure that each body paragraph meets the following requirements:

One clear idea represented per paragraph or section
Examples that back up the point of the paragraph
A clear and logical flow between paragraphs with transition words

Make sure that the body paragraphs only contain information pertinent to the subject or topic. Avoid fluff or filler words and phrases that don’t add any substance or value to the writing.

The number of paragraphs in the body may vary depending on the assignment parameters and the essay style. For example, an essay with a 1000 word limit won’t have as many body paragraphs as an essay with a high word count.

Additionally, a compare and contrast essay that examines the similarities and differences between two or more biology concepts may have more body paragraphs than an argumentative essay.

Biology Essay Conclusion

The final section of a biology essay is the conclusion. In this section, students need to summarize the major points of the essay and the overall purpose for writing it. The thesis should also be re-stated to recap what has been learned from the writing.

In addition to these sentences, students should include a final remark about their research and findings. This might be a thought that ties into the intro or another interesting angle that presents a new way of looking at your topic.

Once the conclusion is completed, students should edit and review their work. Make sure that the essay is free of grammar and spelling mistakes before submitting it for grading.

When it comes to choosing a biology essay topic, it is not always as easy as it seems. For students looking for help with writing a biology essay, we have compiled a list of 160 biology essay topics that will hopefully give you some great ideas.

Biology Essay Topics About Animals

What is the importance of bats in our ecosystem?
What is the difference between a domesticated cat and a wildcat?
How do animals adapt to their environments?
What are the various types of symbiotic relationships found in nature?
Which animals have been known to show altruism towards other species?
What impact does human activity have on animal behavior?
What are some of the advantages and disadvantages of zoos?
How do animal brains work?
What is an animal’s anatomical structure like?
What are some symbiotic relationships between humans and animals?
What is the difference between herbivores, carnivores, omnivores, and insectivores?
Why are having pets important to humans?
What are the positive and negative impacts of commercial farming on animals?
Do you think it is acceptable to keep pets in zoos? Why or why not?
What are some common misconceptions about cats, dogs, rodents, cows, sheep, horses, reptiles/fish/insects?
How do animal bones support their body structure?
What are the effects of humans on the natural habitats of animals?
What are some ways in which animal anatomy is similar to human biology?
What are some symbiotic relationships found in the animal kingdom?
Can humans and animals communicate with each other?
How do different types of animal cells function differently than human cells?
Why do some animals see better in the dark?
Explain the circulatory system of cold-blooded animals and how it differs from that of warm-blooded animals.
What are some examples of mimicry in nature?

Biology Essay Topics About Cellular Biology

How does cell theory apply to cellular biology?
What is mitosis, and where does it take place?
What are the different parts of a cell?
What is a nucleolus?
What are the differences between prokaryotic and eukaryotic cells?
How do viruses affect our cells?
How does photosynthesis work?
Why is it important to study cellular biology as a foundation for other disciplines of biology?
What are the functions of organelles in cells?
What is anabolism and catabolism?
How do plants use photosynthesis to produce sugar while animals break down food for energy?
Describe the process of homeostasis and explain how the human body maintains its internal environment.
What are the important parts of a cell?
How do cells reproduce?
What is the difference between mitosis and meiosis?
What is the importance of cellular research to humans?
Explain mitochondria, chloroplasts, and vacuoles in plant cells.
What are some of the problems with using stem cells in medical research?
What are the differences between eukaryotic and prokaryotic organisms?
How do humans reproduce sexually?
Why is it different to clone plants than animals?
What are some important functions of membranes in cells?
What is the significance of mass spectrometry to molecular biology and genetics?
How do viruses reproduce?
What are mitochondria responsible for in eukaryotic cells?
What is the difference between a plasmid and a virus?
Do you think cloning animals should be allowed? Why or why not?
What is a cell cycle?
How do diseases affect the structure and function of cells?
What are some ethical issues with genetic engineering?
What is cell division, and how does it work?
Where does meiosis occur in the body, and what does it accomplish?
Explain the structure and function of ribosomes in eukaryotic cells.
What is a cell membrane made up of, and what are its important structural components?
How do antibiotics affect bacterial cells?
Do you think cloning humans should be allowed? Why or why not?
What makes up the cytoskeleton?
How are molecular structures related to the functions of cells?
What are some examples of biomolecules necessary for cell function and survival?
What types of molecules make up an organism’s genome?

Biology Essay Topics About the Ecosystem

What does the term food web mean?
Why is it important to study population dynamics in an ecosystem?
How do humans affect other species and their environments?
How can we prevent and control invasive species, and why are they so dangerous?
What effects does pollution have on animals and their habitats?
How do global warming and climate change affect the ecosystem?
What are the different types of animals found in ecosystems?
What happens to an ecosystem when one species becomes extinct?
What is the difference between biotic and abiotic components of an ecosystem?
How do humans feed off other species to survive?
Describe how the r-selected life strategy works.
What are some examples of symbiosis found in nature?
How does biodiversity affect the structure, function, and survival of ecosystems?
How does the stability of an ecosystem depend on biodiversity?
What are trophic levels, and how do they function to maintain the structure of ecosystems?
Why are invasive species dangerous?
How do global climate changes and human activities affect the biodiversity of ecosystems?
What types of organisms thrive in wetlands?
How do humans benefit from studying ecosystems?
What ecosystems are best suited to rapid climate change?

Biology Essay Topics About Evolution

Is evolution strictly a scientific theory, or is it also valid spiritually?
Why is research about the evolution of life important to our understanding of the past?
What are some examples of convergent evolution?
How does natural selection contribute to evolution?
Why is it important for people to understand evolution and its role in biology?
What are some benefits that humans enjoy thanks to evolution?
How do mass extinctions impact the evolution of different species?
How does a mutation affect a population’s gene pool and diversity?
Explain the core principles of Darwin’s theory of evolution.
How does an organism’s ability to respond to environmental changes contribute to its rate of evolution?
What is polyphyletic evolution?
What are some examples of vestigial traits in humans and other species?
How do eco-evolutionary dynamics play a role in evolution?
Do you think that past mass extinction events had an impact on evolution? Why or why not?
What are some benefits humans enjoy thanks to evolution by natural selection?
How could modern-day diets affect the evolutionary growth of humans?
What animals have had evolutionary changes based on threats to their diets?
What evolutionary response makes for the best camouflage?
What types of traits can be used to differentiate between closely related species?
What are the main factors that prevent a population from evolving?
How is artificial selection different from natural selection?
Why do scientists still debate about evolutionary theory despite overwhelming evidence supporting it?
What are some examples of convergent evolution in nature, and how do they function as an adaptation?
Why is research about the evolution of life important to understanding the past?

Biology Essay Topics About Genetics

What is genetic drift, and how can it lead to changes in a population over time?
How do the different parts of DNA interact with each other?
How are dominant and recessive traits identified?
What are some examples of genetic disorders?
What causes Down syndrome, and how is it diagnosed in children?
How does natural selection act on mutations to create variation in a population?
Can scientists use DNA testing to learn about our ancestors’ migratory patterns and where they lived?
How can animal migration help us to better understand genetics?
Define molecular genetics and explain how it relates to classical and Mendelian genetics.
What is the Hardy-Weinberg equilibrium, and why is it important in population genetics?
Do you believe that scientists should clone human beings? Why or why not?
Why are dominant traits sometimes called masking genes?
Why is genetic diversity important for long-term species survival?
How are epigenetic changes related to evolution?
What is the difference between gene expression and gene activity with regards to genetics?
How do developmental genes affect the appearance of an organism throughout its life cycle?
How have animal and plant breeders used genetic engineering to produce certain types of hybrids?
What are the ethical implications of human cloning?
What are the latest technologies in genetic engineering?
What new technologies are needed to make human cloning a reality?
How are living organisms adapting to the presence of plastics in our environment?
Why are some individuals resistant to certain genetically programmed diseases?
What are three common misconceptions about genetic engineering?
What is transgenic technology, and how can it be used for disease prevention or treatment?
How do microorganisms impact human health and the environment?
What are some examples of a genetically modified organism?
How does natural selection impact microorganisms?
What is DNA profiling, and how can it help to solve crimes or return missing persons to their families?
Why do scientists need more research surrounding epigenetics before drawing conclusions on its effects on evolution?

Biology Essay Topics About the Human Body

What is the purpose of skeletal and respiratory systems?
How do hormones affect our body on a daily basis?
How does the endocrine system work as part of an overall regulatory system in the human body?
What are some different types of cells found in the human body?
What are the differences between exocrine and endocrine glands?
What are stem cells, and why are they important to biological research?
How do muscles work together to create movement in our bodies?
How do bones help us to maintain balance while walking, standing up straight, and running?
What are some ways that human behavior can impact our bodies?
How do foods with high sugar content affect the digestive system?
What organs are no longer necessary in the human body, and why?
What blood types offer better protection from the elements?
What are mosquitoes attracted to some humans and not to others?
What pheromones do humans give off?
What are the different types of blood cells?
How does healthy eating help to maintain digestive health?
Why do some people get migraines that others don’t seem to be bothered by?
What is the pH level of human blood, and how can it be carefully regulated?
How does altitude affect respiration in humans?
What is the most complicated system in the human body?
Explain the biological purposes of “Fight or Flight.”
What role does the immune system play in human health?
What is the difference between human anatomy and physiology?

Choosing any of these 160 biology essay topics will help students craft an informative and authoritative essay that is sure to earn them a passing grade.

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97 Biology Essay Topics

🏆 best essay topics on biology, ✍️ biology essay topics for college, 👍 good biology research topics & essay examples, 📌 easy biology essay topics, 🎓 most interesting biology research titles.

How Do People Use Biology in Their Everyday Life?
Fiji Water Quality: Biology Lab Experiment
Biology and Culture of Gender Color Stereotypes
My Journey in Biology
Biology as the Branch of Science
Biology: Comparison and Contrast of Cats and Dogs
Transcription and Translation in Molecular Biology
Relations Between Biology and Culture While biology has much to do with our choices, the social environment shapes them to fit the community’s expectations. This work discusses relations between biology and culture.
Role of Human Biology in Contemporary Criminal Justice Focus of analysis of the paper will be on theories developed to explain criminology with a special emphasis on Biological positivism theory
Designing Oligonucleotide Primers in Biology Molecular biology tools include polymerase chain reaction (PCR) which requires an mRNA template or a cDNA template, polymerase enzyme, and a primer.
Concepts of Biology: HIV and AIDS The primary purpose of the paper is to examine the symptoms and the effects that HIV and AIDS have on a human being.
Biology and Social Influence Genetics plays an indispensable role in facilitating inherent-acquired behaviors, while others claim the environment contributes to shaping an individual’s personality.
The Egg White Denaturation as a Concept of Biology Denaturation is the process of breaking down the secondary and tertiary structures of a protein by external factors such as temperature.
Biochemistry and Molecular Biology Are Fundamental to the Life Sciences Some molecules are often recognized as building blocks for cell formation, implying that they are fundamental to the physiology of humans.
Biology Lab: Why Ice Floats Ice is usually considered to be a mineral that consists of hydrogen oxide; when ice is frozen at a constant pressure of 1 atmosphere, the resultant effect.
Biology: Mechanical Signals Regulating Development The paper will highlight several control effects of mechanical forces on various cell activities, including early embryonic development, tissue morphogenesis, and organ formation.
Organismal Biology: Succession and Its Characteristics Succession is an ecological phenomenon during which a successive change of biological communities occurs in a particular territorial area over time.
Human Biology and Culture Connection The paper states that it is anthroposociogenesis that explains the dichotomy between biology and culture and the connection with human evolution.
Biology Food Chain The body coordination in an organism are carried out in the central nervous system that depends entirely on the neurons conducted from the receptor sites to the effectors’ sites in the body.
Conservation Biology and Preservation of the Biodiversity The Theory of Island Biogeography is the most significant contribution toward the scientific understanding of both the process and how to measure the rate of species extinction.
Cultural Variations in Environment and Biology: AIDS The research studies the prevalence of AIDS among ethnic groups in the United States and suggests patient education interventions, which can be performed by nurses.
Homologous and Analogous Structures in Biology Homologous structures are found in organisms with a shared origin, while analogous structures have the same function but in organisms that do not share a common ancestor.
Biology: Aspects of Fruits The paper discusses fruits. A fruit is the fleshy and sweet part of a tree or any flowering plant that contains seeds. Some fruits are poisonous while some are edible.
Cancer Biology: Oncogenes and Tumor Suppressor Genes This paper seeks to interpret the role oncogenes and tumor suppressors play in transformation during cancer formation.
“Genbank” Impact on Modern Molecular Biology Research GenBank is the fundamental element of Molecular biology. It is the sequence formed and stored in the database of the entire genome of life.
Cell Biology: Cell Sizes, Types, and Theories The Cell Theory propounds that all organisms are made of cells, the cell is the basic unit of life and all cells descend from older cells.
Substance Abuse: Environmental Influences and Biology Substance abuse is not a new problem the human society faces. This paper examines different ways biological and environment influences interact and affect drug taking behavior.
Happiness in Biology, Culture, Experience It isn’t easy to understand what happiness is. However, it is still possible to identify some factors that are likely to affect the degree of happiness.
Environmental Biology: Green Energy a precise definition of green energy is manifested in its source, which must be natural, such as the sun or geothermal sources.
Atoms and Molecules as Concepts in Biology Atoms are the fundamental building block of chemical elements and the smallest unit into which matter can be divided.
Molecular Biology and Its Central Dogma The central dogma of molecular biology is a principle describing the transfer of molecular information in the Nucleus of the DNA.
Herbert Spencer – Scientists of Biology Herbert Spencer is one of the outstanding scientists belonging to the sphere of biology, sociology, and anthropology.
An Aspect of Evolutionary Biology as Phylogenetic Analysis The paper explores an aspect of evolutionary biology as phylogenetic analysis. Phylogenetic analysis is a tool in the hands of biologists.
Human Biology – Scientific Method In the study of biology, knowledge of proteins is very important as it enables a person to make informed decisions while choosing a balanced diet.
Human Biology: Genes and Genes Mutations Mutations in certain regions of DNA can cause pathological metabolic abnormalities or hereditary features realized through dysfunctional disorders.
Human Biology Review Essay of Our Body, Every Cells The collection of like cells that have an identical origin that carries out a definite function together is what I am.
Is PCR the Most Important Invention in Molecular Biology to Date? This essay provides different reasons that have made the PCR technique a significant invention in molecular biology to date.
Crime Explanation Using Biology and Psychology A comprehensive theory of Cesare Lombroso has been discussed indicating that criminals could be picked out and determined by their physique, attributes, and appearance.
Biology: The Definition of the Genotype The paper discusses the genotype. It is composed of a pair of alleles and it is what is manifested as the phenotype or observable characteristics of an organism.
Mirror-Image Biology to Enhanced Therapeutic Proteins The concepts described in “From Mirror-Image Biology to Enhanced Therapeutic Proteins” exemplify the potential of cell chemical biology generally and mirror-image forms.
Biology: Application of the Holobiont in Humans When it comes to the formation of a unique environmental unit, a holobiont can link an individual host to a variety of interactive microorganisms and microbiota.
Biology. Glial Cells and Their Subtypes Due to the distinctive features of some glial cells, they are divided into different subtypes, including ependymal cells, oligodendrocytes and astrocytes, and microglia cells.
Marine Biology: Description and the Key Features Marine Biology is an open area of the coast line that is exposed to ocean currents and tides. This is a backwater area with occasional flooding of sea water.
Biology and Happiness Relationship Human beings engage in numerous activities, establish appropriate relationships, and formulate decisions that can eventually make them happy.
Psychobiology: Biology of Behavior This report researches to what extent psychological and physiological factors influence a person’s character, reactions, and behavior using findings of psychobiology.
Biology Postgraduate Education and Its Advantages If you want to become a biologist in the future or just want to evaluate the pros of this occupation, this article may become more than useful for you.
Cancer Risk Factors: Biology Concepts The development of cancer cells is associated with the halting of the process of cell generation and decay that may be considered one of the basic aspects of the physical health.
Bringing Culture Into Human Biology and Biology Back Into Anthropology
The Relationship Between Evolutionary Biology and Religion
Cell Biology of Stem Cells: An Enigma of Asymmetry and Self-Renewal
An Intricate Relationship Between Biology and Art
Computing Has Changed Biology: How Biology Education Can Catch Up
Common Ground Between Anthropology and Conservation Biology
The Evolution of Molecular Biology Into Systems Biology
Scientific and Public Functions of Models in the 19th-Century Biology
Biology and Ethics: The Paradoxes of the Natural
Use, Overuse, and Misuse of Significance Tests in Evolutionary Biology
The Autonomy of Biology: The Position of Biology Among the Sciences
Joseph Gottlieb Kolreuter’s Contributions to Biology
Chemical Bridge Between Ecosystem Ecology and Evolutionary Biology
The Ethics of Biological Studies With Living Organisms
Biological Function and Teleology: Implications for Biology Education
Adaptationism and the Challenge From Developmental Biology
Quality Assured Science: Managerialism in Forensic Biology
Essence and Natural Kinds in Aristotle’s Biology: Was It Sexist?
The Biological Weapons Convention: Securing Biology in the 21st Century
Molecular Biology Techniques Used in Wastewater Treatment
The Biology of Stupidity: Genetics, Eugenics, and Mental Deficiency
Existentialism and Feminism: The Rhetoric of Biology in the Second Sex
Kant, Blumenbach, and Vital Materialism in German Biology
How the Mind Grows: A Developmental Perspective on the Biology of Cognition
Biology and Society in the Age of Enlightenment
Negotiating the Place of Molecular Evolution Within Evolutionary Biology
Global Change: Increasing the Success of Biological Invaders?
On the Relations Between History and Philosophy of the Life Sciences and Biology
Civic Biology: The Origin of the School Anti-Evolution Movement
Reductionism in Biology: Prospects and Problems
Factors Shaping Ernst Mayr’s Concepts in the History of Biology
Building Simulations: Modeling and Theory in Systems Biology
The Role of Information Technology in Biology Education
What Difference Does Quantity Make: On the Epistemology of Big Data in Biology
Causality, Teleology, and Thought Experiments in Biology
Applying the Principles of Stem-Cell Biology to Cancer
The Moral Impact of Synthesizing Living Organisms: Biocentric Views on Synthetic Biology
Applying Evolutionary Biology to Address Global Challenges
Water as an Active Constituent in Cell Biology
The Importance of Feminist Critique for Contemporary Cell Biology
Marine Molecular Biology as an Emerging Field of Biological Sciences
Trends, Priorities, and Needs in Systematic and Evolutionary Biology
Development of Biology in Aristotle and Theophrastus: Theory of Spontaneous Generation
Why Values Are a Good Thing in Conservation Biology
Biology and Equality: A Perspective on Sex Differences
Recent Advances of Deep Learning in Bioinformatics and Computational Biology
Bioimage Informatics: A New Area of Engineering Biology
Reflecting on the History of Biology as a Field
Molecular Biology vs. Organicism: An Enduring Dispute Between Mechanism and Vitalism
The Role of Reductionism in the Development of Molecular Biology

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These essay examples and topics on Biology were carefully selected by the StudyCorgi editorial team. They meet our highest standards in terms of grammar, punctuation, style, and fact accuracy. Please ensure you properly reference the materials if you’re using them to write your assignment.

This essay topic collection was updated on December 27, 2023 .

150 Actual Biology Research Paper Topics

Table of contents

1 What Is Biology? What Topics Might Biologists Study?
2 How to Choose a Topic for Biology Research Paper?
3.1 15 Developmental Biology Topics For Research
3.2 15 Immune System Biology Research Topics
3.3 15 Cell Biology Research Topics
3.4 15 DNA Research Topics
3.5 15 Molecular Biology Research Topics
3.6 15 Neurobiology Research Topics
3.7 15 Abortion, Human cloning, and Genetic Researches Topics
3.8 15 Environmental and Ecology Topics for Your Research
3.9 15 Plant Pathology Biology Research Topics
3.10 15 Animals Biology Research Topics
3.11 15 Marine Biology Research Topics
3.12 15 Zoology Research Topics
3.13 15 Genetics Research Topics
3.14 15 Biotechnology Research Topics
3.15 15 Evolutionary Biology Research Topics

Biology is one of the most magnetic fields of study these days. If you want to be a biologist or scientist in the future, there is no better time to start than right now. Biology research topics covered in this article will keep you busy and interested. Writing a research paper is one of the best ways to dip your toes into the field. Before doing that, you need to know some good topics for the research paper . They should be suitable for biology students rather than cutting-edge researchers. On Papersowl.com , we provide as many biology research paper examples as possible so that you have a huge choice.

What Is Biology? What Topics Might Biologists Study?

Biology is simply the study of everything that has a form of life. It includes investigations on plants, animals, and everything found in the environment. It is about studying how life forms grow, develop, and interact with each other. Biology essay topics for research encompass all these and more.

This science uncovers many fields where various life forms are studied. It makes sense to look through these fields to help you decide which suits you the best.

Plant Biology research topics are about studying the plants around us. They disclose information about their existence as a part of the ecosystem, their life cycle, resources they can give us, their ability to preserve them from climate changes, and so on. There are many ideas to choose from, but you must focus on a specific one.

Human Biology research topics are all about us. These topics focus on different body parts, such as the human brain, the human immunological system, the nervous system, etc. In addition, you can discuss DNA modifications in humans and explain why genetic disorders occur in your research projects. Various cell research is also common today.

Biology research topics on the environment are in great demand too. For example, climate change is becoming a more significant threat every day. By studying environmental topics in biology for projects and research, we can come up with ways to combat them and preserve ecosystems.

Microbiology research topics delve into things we can’t see. There are trillions of microbes and bacteria all around us. Knowing about them is essential to understanding what makes us sick and how to fight against them. All microbiology research paper topics are pretty complicated yet very engaging to include in your paper research.

Molecular biology topics dive even deeper into the level of atoms and molecules. The various medicines and drugs we take were all created through molecular-biology research. It is one of the areas full of ideas, but there is yet to be much evidence. Science is advancing in this realm but still needs a lot of time. Topics of molecular biology will need days for research only.

Keep in mind that there are more ideas and variations of this science. We offer more examples in further sections of the article about developmental biology, marine biology, evolutionary biology, etc. Explore them and make your writing appealing and meaningful in the eyes of a professor.

How to Choose a Topic for Biology Research Paper?

When choosing a biology project topic, you must be aware of one or more fields of science. Biology research is critical to the present world. By doing research, we can learn more about genetic disorders, immune disorders, mental health, natural disease resistance, etc. Knowing about each of these could save lives in the future.

For those who may not have the time or resources to do their own research, there are research paper writing services that can provide assistance with the project. And we are always here to help you find your own topic among interesting biology research topics. Here we prepared some useful tips to follow.

Tip 1: The level of interest matters Pay attention to one that interests you, and you might have ideas on how to develop the topic. Passion is fundamental in research, after all.
Tip 2: Explore the topic Try to narrow things down a bit. If the topic is too broad, you may not be able to cover all aspects of it in one research paper. If it is too narrow, the paper could end up too short. Analyze the topic and the ways to approach it. By doing so, you can strike a balance between the two.
Tip 3: Discover the recent developments To make your research paper touchable with the present day, you must explore the latest developments in the field. You can find out what kind of research has been done recently by looking at journals. Check out research papers, topics, research articles, and other sources.
Tip 4: Ensure to get enough resources When choosing a topic, make sure it has plenty of resources available. For example, a research paper on xenobiology or cutting-edge nanobiology might sound attractive. Still, you might have difficulties getting data and resources for those unless you are a researcher at a government lab. Data, resources, complex numbers, and statistics are all invaluable to writing a paper about these topics.

That is why we have selected a range of biological topics. The topics on this list are all hopefully exciting topics for research you could write an excellent paper on. We should also add that easy biology topics to research are rare, and a writer usually needs days to prepare and start writing. Yes, biology research topics for high school students are a bit easier, but still, they need time to explore them.

On the other hand, biology research topics for college students are far more complex and detailed. Some people prefer evolutionary biology research paper topics, and we can agree with this claim. These research areas do have a lot of potential and a lot of data to support the claims. Others prefer cell biology research topics that are a bit specific and fun. Anyway, with this article’s list of easy biology research topics, you will surely find the one matching your interest.

For those who may not have the time or resources to do their own research, there are provide assistance with the project.

15 Developmental Biology Topics For Research

Exploring the processes of how cells grow and develop is exciting. The human body contains millions of cells, and it’s interesting to research their behavior under different conditions. If you feel like writing about it, you can find some interesting biology topics below.

How do stem cells form different tissues?
How are tumors formed?
Duplication of genomes
Plasticity of development
Different birth defects
Interactions between genes and the environment
Anticancer drugs mixtures
Developmental diseases: Origin
Drosophila Oogenesis
Most deadly viruses
Most deadly bacteria in the world
How do germs affect cells?
How does leukemia start?
Development of the cardiovascular system in children
How do autoimmune diseases start and affect the human body?

15 Immune System Biology Research Topics

For decades, many scientists and immunologists have studied the human immune system and tried to explain its reaction to various pathogens. This area allows you to deepen into it and reveal how a body protects itself from harmful impact. Look over the biology research questions below and find your match-up.

How does the human body’s immune system work?
The human immune system: How to strengthen it?
What makes the immunological system weaker?
The notion of auto-immune diseases and their effect on the body’s immune system
The global HIV/aids epidemic
What methods are used to prevent the spread of hives?
Living with auto-immune diseases
Genetics and the immune system: effects and consequences
How do immune disorders affect the body, and what causes them?
Are allergies signs of worrying about an immune disorder?
DNA modification in solving immune disorders
Stress as the biggest ruiner of the immunological system
Vaccines as strong supporters of the immunological system
The perception of vaccines in society
Why do some people refuse vaccines and put others around them in danger?

15 Cell Biology Research Topics

Cell study might seem challenging yet very engaging. It will be a good idea to compare various types of cells and compare them in animals and plants. Make your choice from the list of cell biology research topics below.

The structure of an animal cell
Mitochondria and its meaning in cell development
Cells classification and their functions
Red blood cells and their function in transporting oxygen
White blood cells and their responsibility to fight diseases
How are plant cells different from animal cells?
What would it be if animals had a function to photosynthesize?
Single-celled organisms: What is it, and how do they work?
What processes do cells go through in division?
Invasion of bacteria into the body
Viruses – alive or not?
Fungi: their reproduction and distribution
Cancer cells: Why are they so dangerous?
What methods are used to kill cancer cells?
The role of stem cells and their potential in a body

15 DNA Research Topics

The variety of biology research topics for college students might impress you a lot. This is a science with a large field of investigation, disclosing much scientific information to use in your project. The notion of DNA and its gist are also excellent options to write about.

The structure of the human DNA
The main components of a DNA chain
Why does DNA have a double-helix spiral structure?
The purpose of chromosomes
MRNA and its relation to DNA
Do single-celled organisms have DNA?
Do viruses have DNA?
What happens if you have too many or too few chromosomes?
Analyzing the structure of DNA using computers
Uses for the DNA of extinct organisms like mammoths and dinosaurs
Storing non-genetic information in DNA
Can you write a computer program into human DNA?
How does radiation affect DNA?
Modifying DNA to treat aids
Can we fight cancer through DNA modification?

15 Molecular Biology Research Topics

Do you prefer to research molecules’ chemical and physical composition? We gathered some molecular biology research topics to make your choice easier.

The structure and components of a gene
How do molecules move in and out of a cell?
The basic building blocks of life
How are drugs designed for humans?
How is a vaccine designed to target a specific disease?
Dominant genes vs. recessive genes
Prion disease – why is it so dangerous?
Hormones and their function in the body
Developing artificial hormones from other animals
How to carry out a western blot?
Testing and analyzing DNA using PCR
The three-dimensional structure of a molecule
What is DNA transcription, and how is it used?
The structure of a prion
What is the central dogma of molecular biology?

15 Neurobiology Research Topics

The more you dive into science, the more exciting things you find. That’s about biology. Here, you can choose biology research topics for high school and try to reveal more simply.

Nervous system: its structure and function
Neurons as unique cells playing a central role in the nervous system
What is the maximum reaction speed in a human?
Reaction speed: how to improve it?
Research on Organic Farming
What are the symptoms of Alzheimer’s disease?
Why do we feel happy or sad?
Headaches in terms of Neurobiology
What are the reasons for neurobiological degeneration?
Myths and reality of Amnesia
What causes Alzheimer’s Disease, and what are the consequences of the disease?
What is the treatment for Spinal Cord Injury?
Studies on Narcolepsy and Insomnia: What are the causes?
Is there a connection between Mental Health and Neurobiology?
Emotions in terms of their reflection in the brain

15 Abortion, Human cloning, and Genetic Researches Topics

There are so many scientific researches and theories that society accepts or neglects. You can operate different notions and try to explain them, reflecting their advantages and downsides for a human being. We gathered some enticing life science research topics for high school students that might interest you.

The controversy around abortion: legal or not?
Can abortion be safe?
Human cloning – reality vs. science-fiction
The goals of cloning humans
Are human cloning and transplantation ethical?
Having a “perfect child” through gene therapy: Is it a myth?
How far has gene therapy gone in genetic research?
Advantages and disadvantages of gene therapy
How gene therapy can help beat cancer
How gene therapy can eliminate diabetes
The opportunity to edit genes by CRISPR
DNA modifications in humans to enhance our abilities – an ethical dilemma
Will expensive gene therapy widen the gap between the rich and the poor?
Cloning: the good and the Bad for a Generation
The disadvantages of cloning
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15 Environmental and Ecology Topics for Your Research

The nature around us is so enormous and includes many branches to investigate. If you are keen on the environment and how ecology affects it, the list of follow-up biology paper topics might be helpful to you.

The theory of evolution
How does natural selection work?
How do living organisms adapt to their environment?
The concept of divergent and convergent evolution
Building a sustainable environment
Development of environment-friendly cities
How to control population growth?
Why have recycling resources become so essential in the modern world?
The effect of plastic on the environment
What are the global consequences of deforestation?
What can we expect when losing biodiversity?
Ecological damage: How to prevent it?
How can GMO products affect ecology?
Cloning endangered or extinct species: Is it a good idea?
Is climate change the main reason for disrupting ecology?

15 Plant Pathology Biology Research Topics

Many factors impact human health and the quality of food products matters. These easy biology research topics will be useful if you want to describe the connection between those two concepts.

How do plants protect themselves from diseases?
How to increase the plant’s resistance to diseases?
Diseases distribution among plants
The banana pandemic
How do herbicides influence plants?
Corn blight
Can any plant diseases affect humans?
The issue of stem rust and its impact on wheat
What approaches are used to struggle against invasive plants and affected weeds?
Fertilizers: their pros and cons on plants
Plant disease genetics: its system and structure
What is the connection between ecological changes and plant diseases?
Modifications on food production because of plant diseases
How do fungal and viral diseases appear in plants?
The sweet potato virus

15 Animals Biology Research Topics

It’s hard to find someone who doesn’t like animals. If you are curious about animals scientifically, here you are with biology research paper topics in this field.

Classification of animals
Land-based life: its evolution history
Controversies about keeping animals as pets
Is it ethical to test drugs and products on animals?
Why do nature reserves against zoos?
Evidence on prehistoric aquatic animals growing giant
What species of animals are vegan?
Animals and their social behavior
Primate behavior
How intelligent can other primates be?
Are wolves and dogs intelligent?
Domesticating animals
Hibernation in animals
Why animals migrate
Should we bring back extinct animals?

15 Marine Biology Research Topics

The marine theme is engaging as it reveals so many interesting facts about life forms dwelling under the water. You can make your paper look captivating using biology topics in marine below.

How acidification affects aquatic environments
Evolution in the deep sea
What’s the meaning of camouflage mechanism in sea life?
Consequences of oil spills on marine life
Oldest marine species
How do whales communicate with each other?
How blind fish navigate
Are marine shows and aquariums ethical?
The biology and life cycle of seabirds
How jellyfish are immortal
Plankton ecology
Difference between freshwater and seawater marine life
Coral reefs: their importance and evolution
Saving and restoring coral reefs
Life in the deep-sea ocean trenches

15 Zoology Research Topics

Zoology can be an excellent choice to write about if you are close to animal studies. Look at biology topics to research and choose the one that fits your interest most.

Asian elephants and human speech patterns
Oyster genomes and adaptation
Darwin’s work in the Galápagos Islands
Asian carp: Invasive species analysis
Giant squids: Fact vs. fiction
Coyote and wolf hybrid species in the United States
Parasites and disease
Migration patterns of killer bees
The treatment of species in Melville’s Moby Dick
Biodiversity and plankton
The role of camels and the development of Africa and the Middle East
Muskellunge and adaptive creek mechanisms to small water
Ants and cooperative behavior among species
Animal communication and the origin of language
Speech in African Gray Parrots

15 Genetics Research Topics

Writing about modifications caused on the gene level is pretty challenging but very fascinating. You can select one among the biological questions for research and bring up a meaningful paper.

Genetics and its role in cancer studies
Can genetic code be confidential?
Is it possible to choose the sex of a person before birth?
Genetics as a ray of hope for children with an intellectual disability
What factors in human genetics affect behavior?
Is it somehow possible to improve human personality through genetics?
Are there any living cells in the gene?
Fighting HIV with gene mutations
Genetic mutations
How addictive substances affect genes
Genetic testing: is it necessary?
Cloning: positive or negative outcome for future generations
Pros and cons of genetic engineering
Is the world ready for the bioethics revolution?
The linkage between genetics and obesity

15 Biotechnology Research Topics

The way scientists conduct research today is magnificent. Implementing high-tech innovations in biology research brings new opportunities to study the world. What are these opportunities? Explore biotechnology research topics for college students and disclose the best options for you.

Biotechnology used in plant research
What is the contribution of biotechnology to food?
Pharmacogenetics: What is it, and how it works?
How are anti-cancer drugs produced to be effective?
Nanotechnology in DNA: How to isolate it?
Recent nanotechnology used in HIV treatment
What biotech apps are used to detect foodborne pathogens in food systems?
Genotypes research: Why are they tolerant and sensitive to heavy metal?
High-tech solutions in diagnosing cancer
Forensic DNA and its latest developments
Metabolic changes at the level of cells
Nanotechnology in improving treatments for respiratory viruses
The latest biotech discoveries
Digital evolution: bioresearch and its transformation
The concept of vaccine development

15 Evolutionary Biology Research Topics

Knowing how life forms started their existence is fundamental. And more interesting is to look through the evolution of many processes. If you find this trend of research more engaging, we outlined evolutionary biology research paper topics to diversify your choice.

Darwin’s concept’s impact on science
The evolution concept by Lamarck
Origins of the evolutionary theory
Evolution acceptance: a belief vs. a theory?
Evolutionary in microbiology
Development of robotics
Revealing differences: human brain & animal brain
Preservation of biological resources
Transformations in aging
Adaptive genetic system
Morphometrics’ history
Developmental theory and population genomics
Bacteria ecology’s evolution
Biological changes: impact and evolution
Infectious diseases and their profession

The world of science and biology is vast, making research tedious. Use our list of interesting biology research topics to choose the best issue to write your own paper.

However, it is still hard to prepare a high-quality biology research paper, even with a brilliant topic. Not all college students can do it. Do you feel like you need some help? Then buy biology paper from our professional writers! Our experts will choose the best biology experimental research topics for you and can bring up top-level papers within the shortest time. Additionally, if you need help with a statistics project related to biology, our team of experienced professionals is equipped to provide you with the utmost quality of research and analysis.

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Free Biology Essay Examples & Writing Tips

Don’t know what to write about in your essay on biology? Looking for good biology essay examples for inspiration? This article has all you need!

A biology essay is a type of academic paper that focuses on a particular topic of biology. It can discuss animal life, cycles in biology, or a botanic subject. You will need to demonstrate your critical thinking skills and provide relevant evidence to support your perspective.

On this page, you will find examples of biology essays. You will also find here tips and topics prepared by our experts . They can assist you in nailing your short or extended essay.

Areas of Research for Biology Essays

If you’ve been assigned to write a biology essay, you probably know which area of research you have to choose. However, it might be beneficial to explore other available scopes. It’s useful for both interdisciplinary study and the cases when you are free to pick your area of research. In this section, let’s figure out what you can study in biology.

Here are biological areas of research you should be familiar with:

Cancer Biology studies this type of disease to prevent, detect, diagnose and cure it. The ultimate goal of such biologists is to eliminate cancer.
Cell Biology is a branch that studies the structure, function, and behavior of cells. Here, biologists study healthy and sick cells to produce vaccines, medication, etc.
Biochemistry is an application of chemistry to the study of biological processes on cell and molecular levels. It is a cross-discipline between chemistry and biology. The focus is on the chemical processes of living organisms.
Computation Biology is a study of biological data that develops algorithms and models to understand biological systems. Here, scientists either work for institutions or research for private enterprises.
Genetics is an area that focuses on the study of genes and genetic variations for health benefits. It looks at the way DNA affects certain diseases.
Human Disease is an area within which scientists study different diseases. The field covers cancer, developmental disorders, disease genes, etc.
Immunology is a branch of biology that focuses on immunity. Immunologists look at the way the body responds to viruses as a way to protect the organism.
Microbiology studies all living organisms that are too small for our eye to see. It includes bacteria, viruses, fungi, and other microorganisms.
Neurobiology is the study of the nervous system. Biologists examine the way the brain works and look into brain illnesses.
Stem Cell and Developmental Biology seeks to examine how the processes behind stem cell’s ability transform cells. The biologists in this area use the power of stem cells to model human illnesses.

Essay on Biology: Writing Tips

Want to know how to start a biology essay? Wondering about the best way to write your essay on biology? Then check out the following tips.

When you’re writing about biology, pay attention to the following features:

Introduction . Just as in any other form of academic writing, the first section of your paper introduces the subject. Here, explain why your ideas are relevant to biology as a science.
Thesis Statement. The final one or two sentences of the first paragraph should include your original hypothesis and experiment. You will be proving them in the main body. You do not have to include the results as the reader will encounter them later. If you’re struggling with this part, try our thesis generator .
Main Body. In this part, write about all the experiments in detail. Often, teachers require to include visual aid to prove your point. For Zoology, Anatomy, Botany, it is pretty easy to find some photos and illustrations.
Conclusion. Here, restate your thesis. Reemphasize the most critical aspects described in the main body. You can do it by using our summarizing tool . The goal of this last paragraph is to leave an everlasting impression on the reader.

Thank you for reading our article. We hope you found it helpful. Share it with your class peers who also study biology. Additionally, have a look at the biological essay examples below.

797 Best Essay Examples on Biology

Grass and its importance, the benefits of animals to humans essay.

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Biology of Grasses: Description and Importance

Ubiquity of microorganisms.

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The Effect of Temperature on Amylase Activity

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Effects of Vinegar on the Germination Rate of Mung Beans Seeds

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Similarities and Differences of Photosynthesis and Cellular Respiration

Anaerobic respiration and its applications.

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Seed Germination Experiment: Results and Discussion

Bronfenbrenner’s bioecological system theory.

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Mung Seed Germination Patterns under Varying pH Values

Botany and taxonomy of the onion.

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Browning Reactions Explained

Biology: photosynthesis and respiration, strawberries history.

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Mitosis and Meiosis in Onion Root Tip

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Dark or Light Skin: Advantages and Disadvantages

Seed germination and osmosis.

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Pets and people

Nanobiotechnology, its advantages and disadvantages, lemon, its origin and production.

Words: 1115

Substrate Concentration and Rate of Enzyme Reactions

Words: 1730

Vegetation Monitoring From Space

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The C-Fern Plant Laboratory Experiment

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The Insect Effect on Human Life

Life in the bottom of the ocean and its protection.

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Importance of the Brain in Human Body

Aspects, importance and issues of biodiversity, ubiquity of bacteria: laboratory activity.

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Corn Plant’s Developmental Stages

Eukaryotic and prokaryotic cells: key differences, the digestive system in the human body, description of mitosis and meiosis, transpiration process in plants, understanding the effects of quantity of light on plants growth.

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Characteristics of Adult Development

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Cell Counting and Measurement Under Magnification

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Photosynthesis As A Biological Process

Osmosis through a potato slice dipped in solutions of varying concentrations.

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The Function and Structures of the Human Heart

Co-evolution: angiosperms and pollinating animals, the brain: structure and functions, ethnobotanical uses of plants.

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Mitosis in Onion Root and Whitefish Blastula

Vitamin a: description and usage, introduction to the nervous system, microbial growth and effect of ph on it.

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Dugesia, a Planarian With Its Peculiar Characteristics

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Photosynthesis and Cellular Respiration

Different ecosystems and living things, psychophysics: definition & fundamentals.

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The Process of a Prenatal Child’s Development

Consequences of orange juice on the germination of mung bean seeds, vertical stratification, earth atmospheric evolution.

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Is Earthworm Beneficial or Harmful to Humans?

A study of the brine shrimps and their natural environment.

Words: 1937

Human Circulatory System and Evolution

Cell organelles, their functions, and disease.

Words: 1195

Common Biochemical Cycles

Vaquita – endangered species.

Words: 1367

Bacteria Cells Calculation and Categorization

Responsible house plant keeping.

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Telescope and Microscope Discovery Combo

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Basic and Applied Biology: Key Differences

Biowarfare and bioterrorism: history and origin, “the egg and the sperm analysis” by emily martin, the anatomy and physiology of the nervous system of a rat.

Words: 1612

Streptococcus Mutans: The Pathogen of Dental Caries

Words: 1016

Rabbit Muscular System Dissection Report

How the skeletal muscles derive the energy for contraction.

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The Study of the Southern Hemisphere

“the egg and the sperm” by emily martin critique.

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Marine Life in United Arab Emirates

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Biochemistry Dogmas and Their Impacts on Biotechnology

Rosalind franklin: the discovery of the dna structure, wildlife management and extinction prevention in australia.

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The Human Family Tree Development

Streptococcus pyogenes overview, neuroethics, its meanings and main topics, membrane hands-on laboratory report.

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Human Reproductive Biology: Organs, Structure, Functions

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The Kingdom Fungi: The Structure, Characteristics

Climate change and threat to animals, the concept of selective breeding.

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The Effect of Acetone on Wheat Seed Germination

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The Genus Rosa’s Adaptation to the Environment

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Proteus Vulgaris Bacterium and Its Characteristics

Self-healing materials and their using.

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Biosphere: Sydney in Australia

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Description and General Information About Stink Bugs

Microbiological methods for assessing soil quality.

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Animal, Plant, and Bacterial Cells’ Cycles

Microbiologist as a career in bioscience, olfactics and its importance for living beings.

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Concept of Bioethics in Society

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Melanin Theory as a Pseudoscientific Claim

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Bioremediation Technology

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The Biological Basis of Sleep

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Biology Lab Report: Biodiversity Study of Lichens

Homeostasis and regulation in the human body, the characteristics and importance of nervous system.

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What Enzymes Are and How Do They Work

Anaerobic capacity: power endurance and fatigue index, a brief discussion of animal and plant cells, biology: analysis of egg experiment, operant and respondent conditioning, the thermoregulation is and its importance, non-trophic interaction in marine species, epithelial tissue: structure and functions, nervous system: the main functions, digestive journey of cheeseburger, digestion, absorption and assembly of proteins.

Words: 1456

Microbiology: Zygomycota, Ascomycota and Basidiomycota

Archaea and bacteria prokaryotes dichotomous keys, environmental microbiology overview.

Words: 3298

The Euphorbia Plant Modification and Adaptation

Natural sciences. the phenol red broth test experiment.

Words: 1156

Plant Growth and Development With Music

Reproductive isolation and its potential effects.

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212 Unique Biology Research Topics For Students And Researchers

Every student studying something related to biology — botany, marine, animal, medicine, molecular or physical biology, is in an interesting field. It’s a subject that explores how animate and inanimate objects relate to themselves. The field unveils the past, the present, and what lies in the future of the relationship between the living and nonliving things.

This is precisely why you need custom and quality biology topics for your college and university essay or project. It’ll make it easy to brainstorm, research, and get to writing straight away. Before the deep dive, what is biology?

What Is Biology?

Everyone knows it’s the scientific study of life, but beyond that, biology facilitates the comprehension of living and nonliving things. It’s a branch that explores their anatomy, behavior, distribution, morphology, and physiology.

For example, it understands how genes are classified and constituted into generations. It encompasses various branches, including botany, medicine, genetics, ecology, marine biology, zoology, and molecular biology.

Here are what some of these mean:

Botany: This study of plants examines their structure, physiology, ecology, economic importance, and distribution, among others. It also deals with their biochemical processes, properties, and social interactions between plants. It extends to how plants are vital for human life, survival, and growth and how they play a significant role in stabilizing environmental health. Zoology: Zoology studies animal behavior, brain, structure, physiology, class, and distribution. It’s the general study of the lives of both living and extinct animals. It explains animal classification, the animal kingdom, evolution, habitat, embryology, and life span. Physiology: Physiology deals with the daily functions of the human body: How it works and the factors that make it work. It examines molecular behavior, the chemistry and physics behind locomotion, and how the cells in the living organisms’ body function. It helps understand how humans and animals get sick and what can be done to alleviate pain. Microbiology: Dealing with microorganisms, it examined how viruses, algae, fungi, bacteria, protozoa, and slime molds become parts of human life. They’re regarded as microbes, which play substantial roles in the human biochemical processes, including climate change, biodegradation, biodeterioration, food spoilage, biotech, and epidemiology. Marine Biology: This is the scientific study of organs in the sea. It understands their family classification, how they survive, and what makes wild marine animals different from domesticated and consumable ones. It also explores their interaction with the environment through several processes. The marine biologist studies marines in their natural environment, collects data on their characteristics, human impact on their living, and how they relate with themselves.

Now that you know all these, here are some custom biology topics to research for your university or college essay and paper.

Controversial Biology Topics

There are many controversial subjects in every field, and biology isn’t exempt from controversy. If you’d like to create an original essay through diverse opinions, here are biology topics for you:

What are your thoughts on the post-Roe V Wade world?
How can the post-Roe V Wade policy affect developing countries looking up to America for their laws?
Abortion and feminism: discuss
Does saving life justify cloning?
Explain the principle of abortion in medical practice
The effects of cloning in medicine
How does genetics contribute to obesity?
Explain why a parent could have Hepatitis B virus and only one of five offspring have the virus
Is homosexuality really in the gene?
How does depression correlate with genetics?
Additives and how they affect the genes
Examine how genetic mutations work
Discuss the grounds that you could prove for legalizing human cloning
Which is more immoral: Human or animal cloning?
How is nanotechnology different from biotechnology?
Discuss the manifestation of nanotechnology in science
Explain three instances where public opinion has held back scientific inventions
How does transgenic crop work?
Would you say genetically modified food is safe for consumption?
Explain why sexual abuse leads to trauma.

Biology Research Paper Topics

You’d need to write an extensive paper on biology one day. This could be when you’re in your final year in college or the university or submitting to a competition. You’d need Biology topics to research for brainstorming, and here are 30 of them:

Stem cells and tissue formation processes
Why are there different congenital disabilities?
Mixtures in anticancer drugs?
What are the complexities of existing HIV drugs?
What is the contribution of chemotherapy to cancer?
Examine the chemotherapy process and why it doesn’t work for some patients.
Explain the origin of developmental diseases
How do germs affect the cells?
What are the consequences of the sun on the white person’s and black person’s skin?
Why are some diseases treatable through drugs while some are not?
Scientific lessons learned from COVID-19 and ideas to tackle the next virus
If animals are carriers of the virus, what should be done to them?
Examine five animals in extinction and what led to it
Discuss the subject of endangered species and why people should care
Is a plant-based diet sustainable for human health?
Account for the consequence of living on Mars on human health
Discuss the inconveniences involved in space travel
How does space flight contribute to environmental disasters
Discuss the emergence of leukemia
Explain how the immune systems in humans work
Evaluate the factors that weaken the immunological system
What would you consider the deadliest virus?
Autoimmune: what is it, origin and consequences
Immune disorder: origin and how it affects the body
Does stress affect the ability to have sex?
Contribution of vaccine to eradicating disease: Discuss
What are the complexities in taking the Hepatitis B vaccine while being positive?
Allergies: why do humans have them?
DNA modification: how does it work?
Explain the misconceptions about the COVID-19 vaccines.

Interesting Biology Topics

Biology doesn’t have to be boring. Different aspects of biology could be fun to explore, especially if you’ve had a flair for the study since your elementary school classes.

You can either write an essay or paper with the following interesting biology research topics:

Human emotions and conflicts with their intellectual intelligence
Emotions: Its influence on art and music and how the perception of art influences the world
The consequences of marijuana and alcohol on teenagers
Compare and contrast how alcohol affects teenagers and adults
Discuss the contributions of neuroscience to the subject of emotional pain
Explain how the brain process speech
Discuss the factors that cause autism
Explain what is meant when people say humans are animals
Why do scientists say humans are pessimists?
Factors contributing to the dopamine levels human experience
How does isolation affect the human brain?
What factors contribute to instinctive responses?
Noise pollution: how it affects living organisms
Fire ecology: The contributions of plants to fire outbreak
Explain the science behind how hot temperature, soil, and dry grass start a fire
Microbes: what do you understand by bioremediation?
Explain urban ecology and the challenges it pokes to solve
Discuss how excessive internet usage affects the human memory
Evaluate how conservation biology contributes to the extinction prevention efforts
Discuss the role of satellites and drones in understanding the natural world
Why do we need space travel and studies?
Explain the limitations of limnology studies
What are infectious-disease-causing agents all about?
Discuss what epigenetics studies encompass
Why is cancer research essential to the world?
Discuss climate change: Governments are not interested, and there is no alternative
How is behavioral science studies a core part of the understanding of the world?
Discuss the issues with genetic engineering and why it’s a challenge
Evaluate the strengths and weaknesses in the arguments for a plant-based diet
Create a survey amongst students of biology asking why they chose to study the course.

Biology Research Topics For College Students

If you find any of the above beyond your intellectual and Research capacity, here are some topics you can handle. You can use these for your essays, projects, quizzes, or competitions.

These custom yet popular biology research topics will examine famous personalities and other discourse in biology:

Effects of the human hormone on the mind
Why do men get erect even when they’re absentminded?
How does women’s arousal work?
How can melatonin be valuable for therapy?
Risky behavior: Hormones responsible for the risk
Stem and cloning: what is the latest research on the subject?
Hormones: changes in pregnancy
Why do pregnant women have an appetite for random and remote things?
The role of physical activities in hormone development
Examine the benefits and threats of transgenic crops
The fight against COVID-19: assess current successes
The fight against smallpox: assess current successes
The fight against HIV: history, trends, and present research
Discuss the future of prosthetic appliances
Examine the research and the future of mind-controlled limbs
What does cosmetic surgery mean, and why is it needed?
Analyze the meaning and process of vascular surgery
Discuss the debate around changes in genital organs for males and females in transgender bodies
How do donors and organ transplants work?
Account for the work of Dr. Malcom E Miller
Discuss the contribution of Charles Darwin to human evolution
Explain the trends in biomedicine
Discuss the functions of x-rays in botany
Assess the most efficient systems for wildlife preservation
Examine how poverty contributes to climate hazards
Discuss the process involved in plant metabolism
The transformation of energy into a living thing: discuss
Prevention for sexually transmitted disease: What are the misconceptions?
Analyze how the human body reacts to poison
Russian Poisoning: What are the lessons scientists must learn?
COVID-19: Discuss the efforts by two or three governments to prevent the spread
Discuss the contributions of Pfizer during the pandemic.

Marine Biology Research Topics

This subject explains orgasms in the sea, how they survive, and their interaction with their environment. If you have a flair for this field, the following Biology research topics may interest you:

Discuss what quantitative ecology through modeling means
Smallest diatoms and marine logistics: discuss
How is the shark studied?
Acidification of seas: Causes and consequences
Discuss the concept of the immortality of Jellyfishes
Discuss the differences between seawater and freshwater in marine study
Account for some of the oldest marine species
Discuss the evolution of the deep sea
Explain whales’ communication techniques
What does plankton ecology encompass?
The importance of coral reefs to seawater
Challenges that encompass geological oceanography
How tourism affects natural animal habitat
Discuss some instances of the domestication of wild marine animals
Coastal zone: pros and cons of living in such areas
How do sharks perceive enemies?
Analyze why some animals can live in water but can’t live on land
Explain how plants survive in the sea
Compare and contrast the different two species of animals in the water
How can marine energy be generated, stored, and used?

Molecular Biology Research Topics

Focusing on the construct of cells and analysis of their composition, it understands the alteration and maintenance of cellular processes. If you’d like to focus on molecular biology, here are 15 good biology research topics for you:

Ethical considerations in molecular genetics
Discuss the structure and component of the gene
Examine the restrictions in DNA
What are the peculiarities in modern nucleic acid analysis
What goes into the Pharmaceutical production of drugs
Evaluate the building blocks of life
Discuss the systems of RNA translation to protein
PCR: How DNA is tested and analyzed
Why is prion disease so dangerous?
Compare and contrast recessive genes vs. dominant genes
Can there be damage to the human DNA, and can it be repaired?
Constraints in the research of microarray data analysis
Protein purification: How it evolves
Objectives of nucleic acid
Explain the structure of a prion.

Biology Research Topics For High School

Your teachers and professors will be awed if you create impeccable essays for your next report. You need to secure the best grades as you move closer to graduation, and brainstorming any of these popular biology research topics will help:

Identify the most endangered species
The challenges to animal extinction
What are the things everyone should know about sea life?
Discuss the history of genetics
Explain the biological theory of Charles Darwin
How did the lockdown affect social interaction?
Why do some people refuse the vaccine?
Origin of genetics
What is animal hunting, and why is it fashionable
Explain the evolution of a virus
Role of lockdown in preventing deaths and illnesses
Invasive species: What does it mean?
Endangered animals: How do they survive in the face of their hazards?
Lockdown and their role in reducing coronavirus transmission
Vaccine distribution: Ideas for global distribution
Why can viruses become less virulent?
Discuss the evolution of the world
Explain the evolution of the planet
Explain what Elon Musk means when he says life on Mars is possible
What does herd immunity mean?
Flu: why is there a low incidence in 2020?
Relationship between archaeology and biology
Antiviral drug: What it means
Factors leading to the evolution of humans
Give instances of what natural selection means
What is considered the dead branches of evolution
Whale hunting: What it means and the present trends
Who is Stephen Jay, and what is his role in paleontology?
Origin of diseases: why must humans fall sick?
Why are humans called higher animals?

Human Biology Research Topics

Human biology understands humans and their relationship between themselves and their environment. It also studies how the body works and the impediments to health. Here are some easy biology research topics to explore on the subject:

How do gut bacteria affect the brain?
What are the ethical concerns around organ transplants?
The consequence of alcohol on the liver
The consequences of extreme salt on the human body
Why do humans need to deworm regularly?
The relationship between obesity and genetics
Genetically modified foods: Why are they needed?
How sun exposure affects human skin
Latest trends: Depression is hereditary
Influence of music on the human brain
What are the stages of lung cancer
Forensic DNA: latest trends
How visual consumptions affect how humans think
What is the process that leads to pregnancy?
Explain the role of nanotechnology in HIV research
Discuss any experiment with stem cells you know about
Explain how humans consume food
Discuss the process of metabolism as well as its criticality to human health
Explore the consistent challenges technology poses to human health
Explain the process of body decay to a skeleton.

Cell Biology Research Topics

There are many evolutionary biology research paper topics formed not by the nomenclature but for what they stand for. Cell biology is one of the most complex branches of the field.

It examines minor units and the living organisms that make them up. The focus is on the relationship between the cytoplasm, membrane, and parts of the cell. Here are some topics to explore for your scientific dissertation writing :

How does chromatin engage in the alterations of gene expression?
What are the usual cell infections, and why does the body have immunity defections?
Identify and account for the heritage of Robert Brown in his core career focus
Explain the structure of the animal cell and why It’s what it is
Identify the cells in the human body as well as their functions
Explain a scenario and justify the context of animals photosynthesizing like plants
Why do bacteria invade the body, and how do they do it?
Why are mitochondria considered the powerhouse of the cell
Use the molecular analysis tool to explain multicellular organisms
Examine how the White blood cells fight disease
What do you understand about the role of cell biology in the treatment of Alzheimer’s Disease
What are the latest research methods in cell biology?
Identify the characteristics of viruses and why they threaten human existence.
Discuss the differences between DNA and RNA
What part of the body is responsible for human functionality for as long as the individual wants?

Get Biology Research Help As Soon As Possible

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49 Most Interesting Biology Research Topics

August 21, 2023

In need of the perfect biology research topics—ideas that can both showcase your intellect and fuel your academic success? Lost in the boundless landscape of possible biology topics to research? And afraid you’ll never get a chance to begin writing your paper, let alone finish writing? Whether you’re a budding biologist hoping for a challenge or a novice seeking easy biology research topics to wade into, this blog offers curated and comprehensible options.

And if you’re a high school or transfer student looking for opportunities to immerse yourself in biology, consider learning more about research opportunities for high school students , top summer programs for high school students , best colleges for studying biomedical engineering , and best colleges for studying biology .

What is biology?

Well, biology explores the web of life that envelops our planet, from the teeny-tiny microbes to the big complex ecosystems. Biology investigates the molecular processes that define existence, deciphers the interplay of genes, and examines all the dynamic ways organisms interact with their environments. And through biology, you can gain not only knowledge, but a deeper appreciation for the interconnectedness of all living things. Pretty cool!

There are lots and lots of sub-disciplines within biology, branching out in all directions. Throughout this list, we won’t follow all of those branches, but we will follow many. And while none of these branches are truly simple or easy, some might be easier than others. Now we’ll take a look at a few various biology research topics and example questions that could pique your curiosity.

Climate change and ecosystems

The first of our potentially easy biology research topics: climate change and ecosystems. Investigate how ecosystems respond and adapt to the changing climate. And learn about shifts in species distributions , phenology , and ecological interactions .

1) How are different ecosystems responding to temperature changes and altered precipitation patterns?2) What are the implications of shifts in species distributions for ecosystem stability and functioning?

2) Or how does phenology change in response to climate shifts? And how do those changes impact species interactions?

3) Which underlying genetic and physiological mechanisms enable certain species to adapt to changing climate conditions?

4) And how do changing climate conditions affect species’ abilities to interact and form mutualistic relationships within ecosystems?

Microbiome and human health

Intrigued by the relationship between the gut and the rest of the body? Study the complex microbiome . You could learn how gut microbes influence digestion, immunity, and even mental health.

5) How do specific gut microbial communities impact nutrient absorption?

6) What are the connections between the gut microbiome, immune system development, and susceptibility to autoimmune diseases?

7) What ethical considerations need to be addressed when developing personalized microbiome-based therapies? And how can these therapies be safely and equitably integrated into clinical practice?

8) Or how do variations in the gut microbiome contribute to mental health conditions such as anxiety and depression?

9) How do changes in diet and lifestyle affect the composition and function of the gut microbiome? And what are the subsequent health implications?

Urban biodiversity conservation

Next, here’s another one of the potentially easy biology research topics. Examine the challenges and strategies for conserving biodiversity in urban environments. Consider the impact of urbanization on native species and ecosystem services. Then investigate the decline of pollinators and its implications for food security or ecosystem health.

10) How does urbanization influence the abundance and diversity of native plant and animal species in cities?

11) Or what are effective strategies for creating and maintaining green spaces that support urban biodiversity and ecosystem services?

12) How do different urban design and planning approaches impact the distribution of wildlife species and their interactions?

13) What are the best practices for engaging urban communities in biodiversity conservation efforts?

14) And how can urban agriculture and rooftop gardens contribute to urban biodiversity conservation while also addressing food security challenges?

Bioengineering

Are you a problem solver at heart? Then try approaching the intersection of engineering, biology, and medicine. Delve into the field of synthetic biology , where researchers engineer biological systems to create novel organisms with useful applications.

15) How can synthetic biology be harnessed to develop new, sustainable sources of biofuels from engineered microorganisms?

16) And what ethical considerations arise when creating genetically modified organisms for bioremediation purposes?

17) Can synthetic biology techniques be used to design plants that are more efficient at withdrawing carbon dioxide from the atmosphere?

18) How can bioengineering create organisms capable of producing valuable pharmaceutical compounds in a controlled and sustainable manner?

19) But what are the potential risks and benefits of using engineered organisms for large-scale environmental cleanup projects?

Neurobiology

Interested in learning more about what makes creatures tick? Then this might be one of your favorite biology topics to research. Explore the neural mechanisms that underlie complex behaviors in animals and humans. Shed light on topics like decision-making, social interactions, and addiction. And investigate how brain plasticity and neurogenesis help the brain adapt to learning, injury, and aging.

20) How does the brain’s reward circuitry influence decision-making processes in situations involving risk and reward?

21) What neural mechanisms underlie empathy and social interactions in both humans and animals?

22) Or how do changes in neural plasticity contribute to age-related cognitive decline and neurodegenerative diseases?

23) Can insights from neurobiology inform the development of more effective treatments for addiction and substance abuse?

24) What are the neural correlates of learning and memory? And how can our understanding of these processes be applied to educational strategies?

Plant epigenomics

While this might not be one of the easy biology research topics, it will appeal to plant enthusiasts. Explore how epigenetic modifications in plants affect their ability to respond and adapt to changing environmental conditions.

25) How do epigenetic modifications influence the expression of stress-related genes in plants exposed to temperature fluctuations?

26) Or what role do epigenetic changes play in plants’ abilities to acclimate to changing levels of air pollution?

27) Can certain epigenetic modifications be used as indicators of a plant’s adaptability to new environments?

28) How do epigenetic modifications contribute to the transgenerational inheritance of traits related to stress resistance?

29) And can targeted manipulation of epigenetic marks enhance crop plants’ ability to withstand changing environmental conditions?

Conservation genomics

Motivated to save the planet? Conservation genomics stands at the forefront of modern biology, merging the power of genetics with the urgent need to protect Earth’s biodiversity. Study genetic diversity, population dynamics, and how endangered species adapt in response to environmental changes.

30) How does genetic diversity within endangered species influence their ability to adapt to changing environmental conditions?

31) What genetic factors contribute to the susceptibility of certain populations to diseases, and how can this knowledge inform conservation strategies?

32) How can genomic data be used to inform captive breeding and reintroduction programs for endangered species?

33) And what are the genomic signatures of adaptation in response to human-induced environmental changes, such as habitat fragmentation and pollution?

34) Or how can genomics help identify “hotspots” of biodiversity that are particularly important for conservation efforts?

Zoonotic disease transmission

And here’s one of the biology research topics that’s been on all our minds in recent years. Investigate the factors contributing to the transmission of zoonotic diseases , like COVID-19. Then posit strategies for prevention and early detection.

35) What are the ecological and genetic factors that facilitate the spillover of zoonotic pathogens from animals to humans?

36) Or how do changes in land use, deforestation, and urbanization impact the risk of zoonotic disease emergence?

37) Can early detection and surveillance systems be developed to predict and mitigate the spread of zoonotic diseases?

38) How do social and cultural factors influence human behaviors that contribute to zoonotic disease transmission?

39) And can strategies be implemented to improve global pandemic preparedness?

Bioinformatics

Are you a data fanatic? Bioinformatics involves developing computational tools and techniques to analyze and interpret large biological datasets. This enables advancements in genomics, proteomics, and systems biology. So delve into the world of bioinformatics to learn how large-scale genomic and molecular data are revolutionizing biological research.

40) How can machine learning algorithms predict the function of genes based on their DNA sequences?

41) And what computational methods can identify potential drug targets by analyzing protein-protein interactions in large biological datasets?

42) Can bioinformatics tools be used to identify potential disease-causing mutations in human genomes and guide personalized medicine approaches?

43) What are the challenges and opportunities in analyzing “omics” data (genomics, proteomics, transcriptomics) to uncover novel biological insights?

44) Or how can bioinformatics contribute to our understanding of microbial diversity, evolution, and interactions within ecosystems?

Regenerative medicine

While definitely not one of the easy biology research topics, regenerative medicine will appeal to those interested in healthcare. Research innovative approaches to stimulate tissue and organ regeneration, using stem cells, tissue engineering, and biotechnology. And while you’re at it, discover the next potential medical breakthrough.

45) How can stem cells be directed to differentiate into specific cell types for tissue regeneration, and what factors influence this process?

46) Or what are the potential applications of 3D bioprinting in creating functional tissues and organs for transplantation?

47) How can bioengineered scaffolds enhance tissue regeneration and integration with host tissues?

48) What are the ethical considerations surrounding the use of stem cells and regenerative therapies in medical treatments?

49) And can regenerative medicine approaches be used to treat neurodegenerative disorders and restore brain function?

Biology Research Topics – Final thoughts

So as you take your next steps, try not to feel overwhelmed. And instead, appreciate the vast realm of possibilities that biology research topics offer. Because the array of biology topics to research is as diverse as the ecosystems it seeks to understand. And no matter if you’re only looking for easy biology research topics, or you’re itching to unravel the mysteries of plant-microbe interactions, your exploration will continue to deepen what we know of the world around us.

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Mariya holds a BFA in Creative Writing from the Pratt Institute and is currently pursuing an MFA in writing at the University of California Davis. Mariya serves as a teaching assistant in the English department at UC Davis. She previously served as an associate editor at Carve Magazine for two years, where she managed 60 fiction writers. She is the winner of the 2015 Stony Brook Fiction Prize, and her short stories have been published in Mid-American Review , Cutbank , Sonora Review , New Orleans Review , and The Collagist , among other magazines.

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Published by Robert Bruce at August 29th, 2023 , Revised On September 5, 2023

Biology Research Topics

Are you in need of captivating and achievable research topics within the field of biology? Your quest for the best biology topics ends right here as this article furnishes you with 100 distinctive and original concepts for biology research, laying the groundwork for your research endeavor.

Table of Contents

Our proficient researchers have thoughtfully curated these biology research themes, considering the substantial body of literature accessible and the prevailing gaps in research.

Should none of these topics elicit enthusiasm, our specialists are equally capable of proposing tailor-made research ideas in biology, finely tuned to cater to your requirements.

Thus, without further delay, we present our compilation of biology research topics crafted to accommodate students and researchers.

Research Topics in Marine Biology

Impact of climate change on coral reef ecosystems.
Biodiversity and adaptation of deep-sea organisms.
Effects of pollution on marine life and ecosystems.
Role of marine protected areas in conserving biodiversity.
Microplastics in marine environments: sources, impacts, and mitigation.

Biological Anthropology Research Topics

Evolutionary implications of early human migration patterns.
Genetic and environmental factors influencing human height variation.
Cultural evolution and its impact on human societies.
Paleoanthropological insights into human dietary adaptations.
Genetic diversity and population history of indigenous communities.

Biological Psychology Research Topics

Neurobiological basis of addiction and its treatment.
Impact of stress on brain structure and function.
Genetic and environmental influences on mental health disorders.
Neural mechanisms underlying emotions and emotional regulation.
Role of the gut-brain axis in psychological well-being.

Cancer Biology Research Topics

Targeted therapies in precision cancer medicine.
Tumor microenvironment and its influence on cancer progression.
Epigenetic modifications in cancer development and therapy.
Immune checkpoint inhibitors and their role in cancer immunotherapy.
Early detection and diagnosis strategies for various types of cancer.

Cell Biology Research Topics

Mechanisms of autophagy and its implications in health and disease.
Intracellular transport and organelle dynamics in cell function.
Role of cell signaling pathways in cellular response to external stimuli.
Cell cycle regulation and its relevance to cancer development.
Cellular mechanisms of apoptosis and programmed cell death.

Developmental Biology Research Topics

Genetic and molecular basis of limb development in vertebrates.
Evolution of embryonic development and its impact on morphological diversity.
Stem cell therapy and regenerative medicine approaches.
Mechanisms of organogenesis and tissue regeneration in animals.
Role of non-coding RNAs in developmental processes.

Human Biology Research Topics

Genetic factors influencing susceptibility to infectious diseases.
Human microbiome and its impact on health and disease.
Genetic basis of rare and common human diseases.
Genetic and environmental factors contributing to aging.
Impact of lifestyle and diet on human health and longevity.

Molecular Biology Research Topics

CRISPR-Cas gene editing technology and its applications.
Non-coding RNAs as regulators of gene expression.
Role of epigenetics in gene regulation and disease.
Mechanisms of DNA repair and genome stability.
Molecular basis of cellular metabolism and energy production.

Research Topics in Biology for Undergraduates

41. Investigating the effects of pollutants on local plant species.
Microbial diversity and ecosystem functioning in a specific habitat.
Understanding the genetics of antibiotic resistance in bacteria.
Impact of urbanization on bird populations and biodiversity.
Investigating the role of pheromones in insect communication.

Synthetic Biology Research Topics

Design and construction of synthetic biological circuits.
Synthetic biology applications in biofuel production.
Ethical considerations in synthetic biology research and applications.
Synthetic biology approaches to engineering novel enzymes.
Creating synthetic organisms with modified functions and capabilities.

Animal Biology Research Topics

Evolution of mating behaviors in animal species.
Genetic basis of color variation in butterfly wings.
Impact of habitat fragmentation on amphibian populations.
Behavior and communication in social insect colonies.
Adaptations of marine mammals to aquatic environments.

Best Biology Research Topics

Unraveling the mysteries of circadian rhythms in organisms.
Investigating the ecological significance of cryptic coloration.
Evolution of venomous animals and their prey.
The role of endosymbiosis in the evolution of eukaryotic cells.
Exploring the potential of extremophiles in biotechnology.

Biological Psychology Research Paper Topics

Neurobiological mechanisms underlying memory formation.
Impact of sleep disorders on cognitive function and mental health.
Biological basis of personality traits and behavior.
Neural correlates of emotions and emotional disorders.
Role of neuroplasticity in brain recovery after injury.

Biological Science Research Topics:

Role of gut microbiota in immune system development.
Molecular mechanisms of gene regulation during development.
Impact of climate change on insect population dynamics.
Genetic basis of neurodegenerative diseases like Alzheimer’s.
Evolutionary relationships among vertebrate species based on DNA analysis.

Biology Education Research Topics

Effectiveness of inquiry-based learning in biology classrooms.
Assessing the impact of virtual labs on student understanding of biology concepts.
Gender disparities in science education and strategies for closing the gap.
Role of outdoor education in enhancing students’ ecological awareness.
Integrating technology in biology education: challenges and opportunities.

Biology-Related Research Topics

The intersection of ecology and economics in conservation planning.
Molecular basis of antibiotic resistance in pathogenic bacteria.
Implications of genetic modification of crops for food security.
Evolutionary perspectives on cooperation and altruism in animal behavior.
Environmental impacts of genetically modified organisms (GMOs).

Biology Research Proposal Topics

Investigating the role of microRNAs in cancer progression.
Exploring the effects of pollution on aquatic biodiversity.
Developing a gene therapy approach for a genetic disorder.
Assessing the potential of natural compounds as anti-inflammatory agents.
Studying the molecular basis of cellular senescence and aging.

Biology Research Topic Ideas

Role of pheromones in insect mate selection and behavior.
Investigating the molecular basis of neurodevelopmental disorders.
Impact of climate change on plant-pollinator interactions.
Genetic diversity and conservation of endangered species.
Evolutionary patterns in mimicry and camouflage in organisms.

Biology Research Topics for Undergraduates

Effects of different fertilizers on plant growth and soil health.
Investigating the biodiversity of a local freshwater ecosystem.
Evolutionary origins of a specific animal adaptation.
Genetic diversity and disease susceptibility in human populations.
Role of specific genes in regulating the immune response.

Cell and Molecular Biology Research Topics

Molecular mechanisms of DNA replication and repair.
Role of microRNAs in post-transcriptional gene regulation.
Investigating the cell cycle and its control mechanisms.
Molecular basis of mitochondrial diseases and therapies.
Cellular responses to oxidative stress and their implications in ageing.

These topics cover a broad range of subjects within biology, offering plenty of options for research projects. Remember that you can further refine these topics based on your specific interests and research goals.

Frequently Asked Questions

What are some good research topics in biology?

A good research topic in biology will address a specific problem in any of the several areas of biology, such as marine biology, molecular biology, cellular biology, animal biology, or cancer biology.

A topic that enables you to investigate a problem in any area of biology will help you make a meaningful contribution.

How to choose a research topic in biology?

Choosing a research topic in biology is simple.

Follow the steps:

Generate potential topics.
Consider your areas of knowledge and personal passions.
Conduct a thorough review of existing literature.
Evaluate the practicality and viability.
Narrow down and refine your research query.
Remain receptive to new ideas and suggestions.

Who Are We?

For several years, Research Prospect has been offering students around the globe complimentary research topic suggestions. We aim to assist students in choosing a research topic that is both suitable and feasible for their project, leading to the attainment of their desired grades. Explore how our services, including research proposal writing , dissertation outline creation, and comprehensive thesis writing , can contribute to your college’s success.

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How to Choose Biology Topics

Choosing the right biology research paper topics is a daunting task because learners don’t want to write about extremely simple topics. What’s more, learners want to choose topics they can find relevant supporting information for. So, to make a wise choice, learners should:

Identify their study goals Identify their interests Choose biology paper topics that are not too narrow or too broad Choose topics they can find relevant information and ideas for

If you’re having difficulties trying to choose from a vast selection of topics in biology, consider the following options.

Cell Biology Topics for Research

Cell biology is among the major areas that researchers are always making progress. Some of the best topics that students can consider in this category include:

Explain the neurogenesis cell biology
Explain diabetic complications in molecular cell biology
Discuss the cellular diffusion
Explain the expanding role of cholesterol transport protein in cell biology
Discuss the Molecular basis and cell biology of denitrification
Explain atherosclerosis cell biology
Discuss macrophage activation cell biology
Explain the process of cell biology translation into therapeutic advances for Alzheimer’s Disease
Explain the mechanism for regulation in stem cell biology
Can cell aging be reversed?- Discuss

These are some of the hot topics in biology to write a paper or essay about. However, extensive research is required to write brilliant papers that earn quality grades.

Biology Topics for High School Students

When compared to college and undergraduate topics, biology research topics for high school are relatively simple. Here are some of the cool biology topics that high school students can consider.

Define sleep- What is it important?
Identify the Three Dead Branches in evolution
Discuss the birds’ behavioral study
What are the effects of physical exercise on metabolism?
Are bees about to become extinct?
How is the human brain affected by music?
Discuss biodiversity and climate change
Is the human brain capable of repairing itself?
How do bacteria affect depression?
Explain how sea animals camouflage themselves

If in high school and looking for biology topics to write about, consider some in this list. Your teacher will be impressed by your paper or essay as long as you conduct extensive research and present your ideas or information properly.

Biology Research Topics for College Students

College students have many biology topics for research to consider. These are moderately difficult topics. Essentially, they are complex than topics for high school students and easier than those for undergraduates. Here are some of the most interesting biology research topics for college students.

How can DNA technology be used in Medical Genetics?
Explain how genes are mapped and then cloned
How does drinking affect embryonic development?
What is genetic polymorphism?
Explain hereditary diseases
Explain how drugs affect embryonic development
Explain the Mendelian inheritance
Explain the effects of aging on infertility
Explain the major infertility risk factors
Explain the photosynthesis process in detail

These are good research topics for biology because finding relevant information to write papers and essays about them is relatively easy. Nevertheless, learners should understand their writing prompts and conduct the necessary research before they start writing.

Research Topics in Biology for Undergraduates

Undergraduates are also required to write research papers and essays when pursuing biology programs. Here are some of the best biology project topics for undergraduates:

How is gene therapy beneficial?
Explain the Metastasis mechanism in cancer patients
How can cancer cells be destroyed without damaging healthy cells?
Describe the appearance of Tumor Suppressor Genes
Analyze the Huntington’s Disease or HTT Gene
Describe the appearance of the down syndrome
Explain the formation and preservation of memories
Analyze the Primate Cognitive functions
Analyze the Primate language
Analyze the brain activity during an epileptic seizure

These can also be great biology topics for presentation. However, they also require extensive research and effort to come up with solid papers.

Interesting Biology Topics for Presentation

When planning a biology presentation, you need to choose a topic that your audience will find interesting. As such, you want to choose current, relevant, and sometimes controversial biology topics. Here are some of the best biology debate topics to consider.

Can terrorists use viruses that cause diseases like COVID19 and Ebola as a biological weapon?
Is immortality real?- Highlight real creatures whose death is not caused by natural causes
What causes most plant diseases?
How does transplantation work and what precautions should people be aware of?
Explain homosexuality and bisexuality among different animal species
How does the study of the molecular biology of genetic disorders enhance the understanding of diseases like cancer?
Why is abortion a controversial topic in most nations?
Explain the relationship between obesity and genetics
What is the most beneficial biological development?
Can wolves be domesticated?

Marine Biology Topics for Research

Students have many topics to consider when it comes to micro-plastics in oceans, endangered marine species, and global warming. Here are some of the best marine biology research topics that students can consider.

Can bioluminescence be used?
Explain the process of creating bio-diesel
Analyze the biology of coral reef
Explain how global warming affects marine microorganisms
How does mass fishing affect the world’s oceans?
Explain the function, ecology, and biodiversity of marine biology
Explain the ecological approach to marine biology
Explain the dynamics, significance, and characteristics of the marine show
Explain marine biotechnology and biology
Explain the Seamounts biology

These are some of the best AP biology topics for research. However, the majority of these topics require sufficient resources to work on.

Human Biology Topics for Research

This category comprises topics that touch on different aspects of humanity. Some of the most popular biology research topics belong to this category. Among the topics that learners should consider in this category include:

Is there a correlation between genes and depression?
Explain the moral aspect of cloning
How can medicine be changed by cloning
Can changing DNA affect the aging process?
Does obesity have genetic grounds?
Does homosexuality have a genetic basis?
Is transplantation ethical?
Should human cloning be legalized?
How are genes affected by addictive substances?
What is the relationship between abortion and feminist ideology?

Controversial Biology Essay Topics

A biology topics list can’t be complete without controversial topics. Here are some of the controversial topics for learners in different study levels.

How do chemicals affect the growth of plants?
Should the cloning of organs and tissues be allowed?
What led to hair loss among human descendants?
What made snakes lose the limbs?
What led to the increase in the human brain size during the evolutionary process?
Should the health plan offer genetic screening?
Explain different theories about the origin of life
How is the human body affected by cellular communication?
What are the pros and cons of vegetarianism from a biological perspective?
Are twins similar or not?

Biology History Topics

This category comprises IB biology IA topics that students at different study levels can consider. It’s also in this category that learners can find some of the best evolutionary biology research paper topics. Here are examples of topics in this category.

Discuss the major evolution factors
Explain Darwin’s theory
Explain the major biological innovations
Explain the forgotten biology branches
Who is the most famous biologist?
Explain molecular and genome evolution
Explain the major scientific tools in biology
Explain Edward Jenner’s fight against epidemics
Discuss the vaccination’s history
Explain the genetics history in figures

Current Topics in Developmental Biology

This category comprises some of the newest research topics. They can be biology IA topics or molecular biology topics. Here are some of the best topics in this category.

Explain the major human DNA modifications
Discuss neurobiology study- Robotics
Explain the new perspective to Darwin’s theory
Heavy metals absorption by microbes and plants- Explain
Explain the famous human cloning experiments
Human cloning- How moral is it?
Explain targeted therapy in the treatment of cancer
How do probiotics affect infectious diseases’ prevention?
Discuss the future of neurobiology and other related technologies
Explain the role of the environment in genetic disorders

Biology students have many topics to consider when writing research papers and essays. But, whether they need environmental biology, human biology, evolutionary biology, or cell biology research topics, they should settle for what they find interesting. Feel free to ask our assignment helpers for more topics or writing assistance.

Get on top of your homework.

Tips on How to Write a Biology Essay: Learn from the Example of Jellyfish Essay

How to Write a Biology Essay

In this article, we will guide you on how to write a perfect biology essay from scratch. You’ll find various tips to help you excel in writing your essay and creating a paper worth the highest grades. We also prepared a jellyfish essay example for you, so it can be easier to enhance all the specifics and structure of this kind of paper.

What is Biology Essay

A biology essay is a student-written work where you present arguments and ideas about a particular biological topic. The essay on biology can take different forms like argumentative, cause-and-effect, descriptive, detailed analysis, or ‘how-to’ instruction, depending on the professor’s guidelines and writer’s preferences.

A descriptive paper can explain a biological subject, while an argumentative one provides evidence to support a point of view. It’s up to you to choose which type is more suitable for the topic you’re writing about. The most common type is a cause-and-effect essay explaining an event’s reasons and consequences.

How to Craft a Perfect Essay About Biology

Writing is an art form that requires time and effort. But if you prefer someone else to write the paper for you, you can just text the experts, ‘ do my homework for me ,’ and consider it done.

Here is the step by step instruction to organize the process for desired results.

How to Craft a Perfect Essay About Biology

Choose Your Biology Essay Topic

To get a good grade:

make your paper informative and enjoyable by choosing a topic you wish to explore.
Use a brainstorming technique to generate 30-50 options for biology essay topics and research to create a shortlist.
Keep a notebook to jot down your ideas.

Choose a Question for Research

When writing a biology essay, use a scientific approach by selecting a research question related to your topic. Always avoid overly complex or apparent questions. You can also text our profs ‘ write my research paper ,’ and it can be done in a blink.

Create an Outline

Always have a clear plan when writing biology essays while starting a paper. Use a 5-paragraph structure with an outline to keep your main idea and arguments organized. Use any format that works best for you and adjust as needed. Discard any ideas that don’t fit your research question.

Use a Strong Thesis Statement

The introduction should end with a strong thesis statement synthesizing the overall essay, conveying the research question and your point of view. The paper is ineffective without a clear thesis, as readers may not understand your position.

Use Citation and References

Include a list of references in your academic papers, such as biology essays, to avoid plagiarism and provide data sources. Use the appropriate citation style, like APA or CSE, and consult a guide for requirements.

How to Structure a Biology Essay

Ensure your essay has an attention-grabbing introduction, a detailed body, and a solid conclusion with distinct sections. Use around seven paragraphs for the main body, adjusting as needed for the required word count.

Biology Essay Introduction

In the introduction of your essay about biology, showcase your expertise by providing a brief background of the topic and stating the essay’s objective. For a research paper, explain why the study is relevant. Make sure the reader understands the essence of your subject.

The body section of your essay on biology should focus on supporting and defending your thesis statement. To achieve this, make a list of essential points to cover and address each one step by step. Starting a new paragraph for each point ensures neatness and a continuous flow.

In conclusion, restate your thesis statement and summarize supporting points to solidify your arguments. Avoid introducing new concepts, and leave a lasting impression on your instructor.

Jellyfish Essay - Example of a Biology Essay About a Fascinating Creature of the Ocean

Jellyfish, also known as jellies, are incredible creatures of the ocean. They’re members of the phylum Cnidaria, including corals and sea anemones. You can find jellyfish in every ocean around the globe, from the surface to the depths of the sea.

Do you know what shape the jellyfish body has?! It’s one of their most unique features. Their bell-shaped body comprises a soft, jelly-like substance called mesoglea, found between two cellular layers. The outer layer of cells, the epidermis, is thin and flexible, while the inner layer, the gastrodermis, contains the jellyfish’s digestive system. At the bottom of the bell is the mouth, surrounded by tentacles armed with stinging cells called nematocysts.

The jellyfish tentacles consist of venom-filled sacs, which can be potentially dangerous and life-threatening. Considering the severity of its sting, researchers have gathered information on how to treat it effectively. Use thick clothing, tweezers, sticks, or gloves to alleviate the sting. It’s crucial to avoid touching the sting with bare skin since the venom can cause severe harm. Always dispose of the tool used for removing the sting to prevent re-stinging.

Jellyfish are creatures that feed on small fish and other tiny marine organisms. They capture their prey using the tentacles and bring it to their mouth. Once the food is inside the jellyfish, it’s broken down by digestive enzymes and absorbed into the gastrovascular cavity.

An exciting thing about jelly is its life cycle. They go through several stages of development, starting as a tiny, free-swimming larva and then growing into a polyp. The polyp stage is stationary, and the jellyfish attaches itself to a surface using a sticky pad. During this stage, the jellyfish reproduces asexually, creating clones of itself. These clones then break off from the polyp and develop into the familiar bell-shaped body of the adult jellyfish.

Jellyfish play an essential role in the ocean’s ecosystem too. They’re a food source for many marine creatures, including sea turtles and some fish species. They also help to control the population of tiny marine animals by feeding on them, and their waste products contribute to the nutrient cycle in the ocean.

However, jellyfish populations can sometimes explode and become a nuisance. This phenomenon mostly occurs when their natural predators are eliminated from the ecosystem or when water conditions, like temperature and salinity, are conducive for jellyfish growth. In cases where jellyfish populations reach excessive levels, they can clog fishing nets and interfere with other human activities in the ocean.

Jellyfish really are stunning creatures of the ocean. They’re diverse, with many different species, and are essential to the marine ecosystem. While they can sometimes become a nuisance, they’re vital to the ocean’s food web and nutrient cycle. Studying jellyfish can give us a greater understanding of the complex and interconnected systems that make up our oceans.

Practical Tips for Creating Perfect Academic Papers

Developing writing skills is crucial for your academic success regardless of your major. Check out these tips we provided for improving your writing. But if you aren't fond of writing, you can easily hand it to professionals by saying, ‘ do homework for me .’

Search for Samples or Examples

To improve your writing, analyze examples of well-written biology essays or research papers. Although not all online samples are perfect, they can still provide insights into what works and what doesn’t. However, avoid plagiarism and ensure your paper is original by presenting fresh ideas and a unique perspective.

Read Whenever You Can

Develop your writing skills by reading widely and extensively. Look for biology papers in scientific journals, websites, or books. Don’t forget to take notes on interesting points that you can use in your papers later.

Practice Makes Perfect

Don’t expect to write a perfect paper on your first try, so take every opportunity to practice your writing. Find a mentor if needed and use online resources to learn from your mistakes and improve your skills.

Always Organize Your Writing Process

Organize your work process instead of waiting for inspiration by defining stages, scheduling time for each task, and eliminating distractions. Don’t wait for mood to write an essay about biology; use different strategies to overcome writer’s block.

Proofread and Get Other Feedback

It’s hard to assess your own work accurately. Seek feedback from peers or instructors to identify strengths and weaknesses to improve upon. Don’t wait for your professor’s feedback to know if your biology essay is good.

Interesting Biology Essay Topics from Our Experts to Practice Your Writing

In this paragraph, we listed different biology essay topics from which you can choose your preferred one and practice writing to excel in your academic papers.

A jellyfish - my favorite creature
Facts about animal behavior
Biodiversity conservation
Chemical Ecology
Impacts of air pollution
Acid Rain’s impact on wildlife
The greenhouse effect
Causes of global warming
Effects of climate change on nature
Ways to avoid water pollution

These are interesting topics and also some of the most significant environmental problems. Choose the one you like and practice.

Final Thoughts

This article provides tips that will definitely make your writing process easier and more effective. Adjust these tips while writing your biology paper and structure it as we did in the jellyfish essay example. But if you still prefer a professional to do it for you, contact us by writing ‘ do my research paper ,’ and our experts will handle it.

Ryan Acton is an essay-writing expert with a Ph.D. in Sociology, specializing in sociological research and historical analysis. By partnering with EssayHub, he provides comprehensive support to students, helping them craft well-informed essays across a variety of topics.

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100 Fascinating Biology Research Paper Topics for Students

15 January, 2021

11 minutes read

Author: Elizabeth Brown

Biology research is a serious analytical task that usually contains scientific findings, debatable questions, and detailed explanations. Students who are studying biology may get an assignment to find some interesting biological topics to do research for essays, term papers, and scientific reports.

It is quite a challenging and overwhelming task that takes pretty much time and effort. If your topic is not relevant, you won’t be able to include a scientific argument and proceed with further discussion. In this article, you will discover some topics for biology projects that will help you gain attention in a rapidly evolving field like this.

How to Choose Topic for Biology Research Paper?

Well, you’ve been researching for a while now, and you are ready to focus on a particular topic. Professors often ask students to write about something that has not been researched for a hundred times. Among all topics in biology, you should choose the one you are actually interested in. There are certain tips you need to follow before opting for your topic:

Narrow down the subject matter. Before choosing an interesting biology topic for your research paper, you first need to identify a particular aspect of biology that interests you.
Examine the existing research papers. You should conduct thorough research on the existing scholarly articles in order to gain a better idea about recent trends in the particular sphere of Biology.
Brainstorm a particular area . By brainstorming ideas and thoughts, you may find the ideal research topic for biology to focus on.
Conduct a preliminary research . By conducting preliminary research, you will check the amount of materials covering the selected topic. If you fail to find any information, you should choose another topic.
Have a look at relevant examples . Checking credible examples is important for biology topics selection. This way, you will learn how to structure your research paper and go about the selected topic.

History of Biology

Do you consider covering the history of Biology in your research? Then, you may refer to the history of all life forms on the planet and explore how they have been researched over time. Here are some topics to dwell on:

How archeology influences animal biology?
The latest explanation of Darwin’s theory in modern science
Edward Jenner and his contribution to the fight against epidemics
The dead branches of evolution
Exploring the importance of evolution factors
Study of modern theories related to the origins of humankind
The contribution of Antonie van Leeuwenhoek to the science of Biology
The most significant milestones in the development of behavioral mechanisms in the late XIX – early XX centuries
Can we trust the Natural Selection Theory? Does it work in the human world?
The development of genetics over the last century

Immune System Biology Research Topics

The immune system, as our main defense against different diseases and infections, is one of the most important topics for discussion in Biology. Take a look at the following topic examples:

The resistance capacity of the human immune system
Why is vaccination important and what are its benefits?
Problems caused by immunotherapy
Effects of probiotics on the prevention of infections
How poor immunity leads to fatal diseases
The functions of immune system agents
The resistance of the human immune system
Medical conditions caused by immune system malfunction
How does insomnia influence the human immune system?
Molecular biology of Human Immunodeficiency Virus

Molecular Biology Topics

Are you looking for a molecular biology issue to cover in your research paper? The following topics represent the latest research on this subject matter.

The effective ways and tools for effective lifetime prolongation
The role of genetically modified crops for the national economy
Molecular biology research in the United States
Can Ebola be viewed as a biological weapon?
The effect on antibiotics on cells
Challenges caused by diseases to molecular biology
Does molecular biological research of rare genetic disorders provide us with the keys to understanding cancer and other diseases?
What are the biological reasons behind food intolerances?
Production of growth hormone and insulin in genetic engineering
Molecular chaperones and their role in polypeptides folding

Genetic Researches Biology Topics

Research on genetic concepts can reveal intriguing insights into human nature and potential. The variety of options here is unlimited. Some of them include the following:

How to solve the ethical dilemma of human cloning?
The recent implementation of genetic disorders treatment
Modern technology in DNA analysis
The process of DNA modification on smoking females
Methods of the sequencing of nucleotide sequences of DNA
DNA Modifications and its Effects on Humans
Genetics of chromosomal diseases related to structural chromosome rearrangements
Genetics behind human physical features
DNA diagnosis of hereditary and infectious diseases
Can DNA influence the process of aging?

Neurobiology Research Topics

The human brain is intriguing, as there are always some new things to learn. The following topics have a great study potential:

The improvement of brain activities with the most advanced neurobiology aids
The innovative technologies in neurobiology
Does gut bacteria lead to depression?
Genetic defects that cause schizophrenia
The molecular and gene regulatory signature of a neuron
The influence of music on cognitive processes in a human brain
What are the negative consequences associated with neurosurgery?
Formation of thinking, speech, and consciousness of an average person
Neurobiological Explanation of Sleep
The role of neuroscience in the development of robotic technologies

Plant Research Topics

Are you interested in writing a paper about plants? Here are some of the latest ideas in botany to get inspiration by:

How does climate change affect biodiversity in Australia?
The evolutionary factors that affect plant growth
A comparative analysis of invasive plants in New Zealand
Friction in the plant world
How modern technology can facilitate plant disease treatment
Disease resistance mechanism in plants
An extensive research on plant-associated microbes and available genomic tools
Feature and functions of photosynthesis
Impact of electric current on plant cells
Plant cells plastids structure and function

Ecological Subjects

Ecology-concerning subjects are becoming more and more popular as society has to deal with the results of human behavior all the time. In your biology research study, you can offer some new solutions to ecological problems in order to turn the world into a better place. Let’s review some popular topic examples:

Exploring the relevance of chemical ecology in the context of Oceania
The impact of Ecological factors on animal behavior
Ways animals and plants adapt to fast-changing environment
Explore the ecological footprint of cotton production
The ecological approach to sustainable marine research
Why does biodiversity need to be conserved?
Consequences of building the Hetch Hetchy valley dam
What causes toxic algae bloom?
Indoor air pollution: causes and risks
The devastating impact of deforestation in Amazon forests

If you are interested in the animal world , feel free to write about it in your research paper. By conducting a deep analysis of one phenomenon or species, you may shed light on the growing problems. Some of the burning topics to consider include the following:

How the mechanism of camouflage is used by sea animals?
How does veganism affect meat production?
How do humans influence the diversity of animal species?
The mechanism of resistance in animals
Domestication: can foxes become domestic animals?
Possibility of homosexual connections in the world of animals
The future of the planet through the prism of Species Extinction
Can beauty products testing on animals be viewed as ethical?
Evolutionary connections between moths and butterflies
The importance of home diet for dogs

Behavior and Hormones

You can also share ideas on how human hormones influence their mood and well-being. A short list of topic samples covers the following:

How hormones affect women’s behavior during pregnancy
Psychopathic Disorders: Are They Hormone-Specific?
The hormones disorder and constant depression
How does your brain control your behavior?
The three main psychopathic disorders influenced by hormones
Analyze the features of oxytocin that turn this hormone into a love drug
How to generate growth hormone by means of genetic engineering methods?
Biologic basis of the bipolar disorder
The influence of diabetes and its potential threats
The role of hormones in women’s health

Easy Biology Research Topics

If you don’t know what to write about in your biology research paper, you can use one of the most common topics. Although they have been widely covered by scientists, it doesn’t mean they are not suitable for further research. These topic ideas might come in handy:

How to prevent the risks related to global warming?
The future prospects of molecular biology in Europe
Is growing organs for transplantation in laboratories ethical?
How is melatonin used for therapy purposes?
What is the value of sustainability in Biology?
Explore the effects of marijuana on the human brain. Should the use of marijuana become legal?
Accuracy of DNA testing in the modern medical environment
Different ecological pyramids and the ratio of organisms at each of their levels
The positive and negative aspects of transgenic crops
Various means of wildlife protection

Biology research is one of the most complicated academic assignments that needs to be written according to strict requirements. While checking the variety of biology research topics, you should be ready to deal with certain problems, such as a poor understanding of the subject matter, its value for society, etc. Try to select a brief and concise topic that can be supported with relevant and up-to-date evidence. Make sure to conduct thorough research by using all the available tools and methods you know. Remember that the importance and timely revelation of the topic increases your chances to get an excellent grade eventually.

If you are still unsure on whether you can cope with your task – you are in the right place to get help. Our essay writers know the perfect answer to the question “Who can write my paper?”

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130+ Interesting Biology Topics for Presentation & Research [UPD 2024]

The article contains the relevant branches of biology and 130+ essay topics.

Looking for an interesting biology topic for your presentation, essay, or research paper? This article contains everything you might need! The first section lists the most relevant branches of biology. The other sections contain top 100 interesting biology topics as well as the most controversial issues in the discipline.

🔭 What Are Relevant Biology Presentation Topics?

🤖 what are interesting biology topics, 🤫 biology topics: current issues.

📝 Top 100 Biology Topics

🦠 Life Science Topics for Presentation

🧬 easy biology topics for presentation.

❓ 10 Controversial Topics On Biology

🔚 Conclusion

🔗 references.

There are a number of biology topics that are relevant to your presentation and research. You can choose a valuable topic from one of the branches of biology. It includes the following:

Molecular Biology
Environmental Biology
Genetic Research
Neuroscience
Behavior and Hormones
Famous Biologists
Experiments
Sustainability and Biodiversity
Controversial Topics.

The picture contains a list of biology branches.

Also, you can choose an interesting biology topic for your research from related topics . You will find 10 interesting biology-related topics in the next section!

What else can you pick for your presentation or research paper? You can focus on the history of biology, current issues, famous biologists, equipment, or biological experiments.

Of course, every biology expert says that their major topic is the most interesting and exciting. However, there are current biology issues that are the most interesting and studied in the world. Here you will find the top 10 interesting biology topics for research .

Issues and Opportunities for CRISPR and Genetic Engineering
Epidemiology Studies and Its Opportunities to Combat New Viruses (as Covid-19)
Infectious-disease-causing agents (Prions) studies
Climate Change Problems and Potential Solutions
Cancer Research
Behavioral Science Studies
Endangered Species
Astrobiological Questions
Synthetic Biology and Its Opportunities
Epigenetics Studies.

You can also look for an area of biology that you are most interested in and consider the new developments in it – that would make a perfect choice for a biology-related subject . However, it is not your only option. For example, another great topic to consider is biological issues. Ask yourself: what problems are present in the field of biology? Well, here is a small (and not at all exhaustive) list of suggestions.

Ethics and biology . Consider the protection of human subjects and the alternatives to animal experimentation. Are the other options necessary?
The attitude to GMOs as a problem. Can public opinion hold science back? Adverse reactions to GMOs should focus on this topic, but you can also consider the effects of the positive ones.Adverse reactions to GMOs should focus on this topic, but you can also consider the effects of the positive ones.

If the topics mentioned above do not attract you, think about other options. For example, choose a branch of biology or a specific aspect of biologists’ activities to discuss! Here are a few suggestions.

Under the sea! What does a marine biologist do?
How do you acquire a biological patent? Offer a legal workshop to your peers!

📎 Top 100 Biology Topics for Presentation & Research

We’ve created a list of different biology topics you could choose from for your presentation or research paper. For your convenience, we’ve divided the topics by biological fields. Find your inspiration and get started!

Molecular Biology Research Topics

Molecular Biology is one of the most interesting and prominent fields of biology. Let’s have a look at several relevant topics!

Origin of Life: The RNA World Scenario Vs. The Latter Scenario . For this topic, you can cover two major theories on how first living cells have occurred. The best idea is to discuss both views and compare them.
What Are Methods in Molecular Biology Research? Here, you can discuss the basic methods that scientists use in molecular biology studies.
Molecular Biology of The Cell: An Introduction. This topic implies that you cover the basics of the molecular biology of the cell. As it is a broad theme, the best idea is to focus on the basics.
Molecular Biology of The Gene: An Overview. We offer you the same strategy as in the previous topic. Just try to cover the basics of the molecular biology of the gene. It can be done by providing key definitions and explaining key theories.
Molecular Biology of Microorganisms: A brief overview. This topic suits perfectly for a presentation. You can provide a brief overview of the molecular biology of microorganisms. It is a brilliant idea to discuss key terminology, theories, and current issues.

Environmental Biology Research Topics

Environmental topics are among the most popular in biology today. Below you will find 10 topics that you can use for your presentation or research paper.

How Noise Pollution Influences Living Organisms?
Environmental Justice: Why It Is Essential?
Urban Ecology: What Issues It Aims At Solving?
What Are The Latest Research on Climate Change?
Fire Ecology: How Human Beings Can Adapt to Fires?
Renewable Energy: What Are Potential Risks for Nature?
Bioremediation: How Microbes Can Eliminate Pollution?
Limnology Studies: What Are The Main Areas of Research?
Conservation Biology: What Are The Latest Efforts for Prevention Extinction?
Satellites and Drones for Studying Natural World Remotely.

Genetics Research Topics

Genetics is an incredibly interesting subject that affects almost any aspect of modern life! We highly recommend you to choose one of the 10 topics that you can find below.

What Are The Latest Breakthroughs in Genetics Studies?
Gene Mutation: How It Can Help Fighting Illnesses?
Genetics Legislation: What Procedures Are Illegal?
Genetic Tests: How They Can Be Helpful for Fighting Diseases?
How Genetics Takes Part in Cancer Research?
What Opportunities Does Genetics Science Open Up for Humanity?
What Genetic Factors Might Influence Human Behavior?
Does Genetics Open Up Opportunities to Choose Sex and Other Characteristics Before Birth?
Is There a Connection Between Genetics Studies and Environmental Questions?
Can Extinct Species DNAs Be Recovered?

Neuroscience Research Topics

Here you will find 10 interesting neuroscience research topic for your presentation or research paper:

How Can Human Emotions Influence Intellectual Abilities?
How Do Emotions Affect the Perception of Art and Music?
What Factors Affect the Levels of Dopamine in Human Bodies?
How Does Alcohol and Marijuana Use Might Influence Teenagers’ Brain Development?
What Has Neuroscience Achieved Towards Controlling Negativity and Emotional Pain?
What Are the Controversial Topics in Neuroscience? How It Affects the Discipline?
Gut Bacteria and Its Influence on Behavior and Mental Health.
How Humans’ Brains Process Speech?
How Does Excessive Use of the Internet Affect The Memory?
What Are The Latest Breakthroughs in Neuroscience?

Behavior and Hormones Research Topics:

Biology Research also focuses on Behavior and Hormones Studies. Here we offer you another 10 interesting topics related to this field.

How Does Our Hormone System Affect Behavior and Mind?
What Biological Processes Occur in The Brain while Bipolar Disorder?
Depression: What Changes Occur in Hormone System?
Hormone System and Gender-related Issues
What Changes Occur in Hormone System While Pregnancy?
Latest Research on Oxytocin Science: What Is New?
What Hormones Are Activated While Fear Reaction?
How Physical Exercises Influence Hormones?
The Use of Melatonin for Therapeutic Purposes.
What Hormones Are Responsible for Risky Behavior?
Cloning and stem cells: Current issues. Is human cloning legal? Why?
Hybrids as a means to increase efficiency: Mention the animals that are worth making hybrids of.
The threats and benefits of transgenic crops: Explain that GMO is not that hazardous.
Fighting inherent diseases: Mention current accomplishments.
The world under a magnifying glass. Molecular genetics: Define the basic notions.
The causes of genetic mutations: Provide examples of mutations.
Research field Biomedicine: Dr. Malcolm E. Miller says…
Donors and organ transplants: I give you my heart. Pick the problem of finding a proper donor.
Cosmetic surgery: Is it me, I see? Dwell on the reasons for undergoing cosmetic surgery .
Behind a brain at work. Neurosurgery problems: Recall leading neurosurgeons and their accomplishments.
Vascular surgery: It’s in your blood. Mention current achievements.
Future of prosthetic appliances. Mind-controlled limbs: Include issues from surgery and science engineering.
Fighting cancer and benign tumors: Never give up. Describe current treatment methods.
Research field: Ecology and Hippocrates says…
Saving the Earth: Environment in danger. Convey the idea of balance between the natural and the human-made.
The means of wildlife preservation: Offer your suggestions to protect wildlife.
Rare species protection: Enumerate the most endangered species.
The problem of extinction. The species that are no more: List extinct animals and plants.
Extreme survival and endangered animals: Offer your suggestions to help animals adapt.
Invasive species: Only the strong survive. Your idea on the iron jungle issue.
Sea life: Things people have to know. Offer the least known facts.
Animal hunting: Following fashion. Mention the animals that suffer the most.
Environmental pollution: Back to carts? Consider alternative sources of energy.
Research field: Evolution. Darwin says…
The law of natural selection: Provide examples of animal evolution.
Dead branches of evolution: When there’s nowhere to go. Imagine what would have happened if evolution hadn’t stopped.
Trends in evolution: What is the next step? Find evolution algorithms.
The reasons for biodiversity loss: Offer your means to sustain current biodiversity.
Animal and plant habitats: Contamination threat. How to prevent pollution?
Research field: Biodiversity. Greenpeace says…
Climate change’s effects on biodiversity: Offer suggestions on how to save various species.
Coral reefs preservation: Facing challenges. Provide ways to save coral reefs.
Global warming as a threat for biodiversity. Consider methods of sustainability.
Econet as a biodiversity conservation tool: Define the Econet system.

Biology Topics: Famous Biologists

You can use the information about biological issues to create a topical, engaging text. However, you have other options, as well. For instance, have you considered writing about famous biologists? Here, we will name just a couple of them.

Antonie van Leeuwenhoek: when and how did microbiology start? You can add some information on how microbiology has been developing since then.
Carl Linnaeus. Why do we have binomial nomenclature? Why is it important?
Edward Jenner: the history of vaccination. Focus on the beginnings of immunization and mention its impact. A brief consideration of the changes in attitudes to it can also be exciting and engaging.
Rachel Carson . Check out her book, “Silent Spring.” Discuss environmental safety. Why is her contribution significant?
Stephen Jay Gould. A paleontologist and historian of science: history and biology combined. Consider also his contribution to popular science and pop-science literature.

Biology Topics: Equipment

Come to think of it: every biologist needs tools! Why don’t you choose a piece of biological equipment (e.g., microscope) and discuss the history of its creation and its impact on the development of biology (or a specific branch of biology)? Here are some ideas for insightful equipment-related topics.

Microscopes: using light and electrons to see this world in detail. Consider telling the brief history of the equipment and explaining its impact. Also, check out the two different types of microscopes.
Test tubes: spin that sample right round! Who would need a test tube? Why? What for?
Petri dishes. Culture your sample! Why is it called that way? What is it for? Consider discussing the history and impact of the invention.
Dyeing your samples: when, why, and how? Tell the history of the development of the technique and the opportunities that it offers.
How to tell a beaker from a flask? Check out the history of the two types of containers. What is its purpose? Why do they need to be different?

Biology Topics: Experiments

As you can see, your favorite biology field can make a significant research topic. But do you know what can make a biology paper most interesting? Cool bio experiments are out there! Tell your peers how to carry out a bio experiment or, better yet, show them! You can find some of the possible experiment topics below.

What kind of biological organisms can be found in the samples of water from different sources? Offer examples of sources. If you want a practical demonstration, it is an excellent opportunity to use the microscope so that you can throw in some information about it too.
How to extract your DNA at home? Discuss the necessary supplies and surprise your audience!
What happens to an egg dipped in vinegar for too long? Discuss osmosis and its effects.
If you cannot smell your food, will it taste the same? You can quickly organize a practical demonstration: just provide your audience with small snacks and ask them to cover their noses. Explain the mechanisms of smell and taste.
How do you make your very own bacteria colony? This topic can be connected to that of the Petri dish.

Biology Topics: Sustainability and Biodiversity

Using a bio experiment as your topic can be great! However, apart from choosing the issues that are most interesting to you, you can find a problem, studying which is a responsible thing to do. For instance, sustainability is not just a buzz word. Discuss sustainability as a part of your bio project or paper and disseminate crucial information about preserving our planet’s resources!

The concept of sustainability. Consider its history and impact on modern society.
What biological resources do we need to preserve this day? Make sure to offer both classification and examples!
Types of pollution. There are more than one, but why bother with the designation? Examples would be great here, too: check out the most devastating events in the history of ecology.
An exciting element of sustainability is the preservation of biodiversity. Think about extinct species: what have we lost? What can we lose yet? And how do we stop the world from losing its precious biodiversity?
Why is extinction a problem? Review the consequences of dying out.
Causes of extinction. Is the human always to blame? Consider non-human matters. Can they be traced back to humanity?

Life science studies all forms of life, including plants, animals, viruses and bacteria, single-celled organisms, and even cells. Its key goal is to examine everything about life on this planet at different stages of evolution.

We have prepared science topics for a presentation to help you and your audience learn more about every living thing on Earth!

Cell Biology Topics for Presentation

Cell biology is the study that seeks to examine the structure and function of cells, their communication, and inner mechanisms.

Here are cell biology topics for a presentation that can come in handy:

Cell biology: the study of cellular metabolism.
What are the peculiarities of cell communication?
The efficiency of cell-based therapy in cancer.
The role of enzymes in DNA replication.
Cell death: the key mechanisms.
Genetic mutation and its influence on human health.
What is the role of membrane trafficking in plant-microbe interactions?
The impact of environmental stresses on cells.
Signal transduction of cells: the main steps and types.
The ethical issues behind cell therapy.

Human Biology Topics for Presentation

Human biology studies the structure, function, and behavior of the human body. It aims to understand how the human body works and use that knowledge to improve people’s health and well-being.

Below, you can find interesting human biology topics for presentation:

How does the central nervous system function?
Artery vs. vein: the key distinctions.
The peculiarities of the human respiratory system.
Regular training and its impact on the human heart.
The differences in the skeletal structure of males and females.
Lung cancer: causes, symptoms, and consequences.
The importance and role of genes.
How do digestive organs interact with one another?
Practical methods for protecting the immune system.
Thyroid gland: function, location, and common conditions.

Zoology Topics for Presentation

Zoology is a branch of biology that investigates all animals, both living and extinct. Zoology significantly aids in understanding the natural world and minimizing harm to animal populations and their habitats.

Zoology topics for presentation look the following way:

The impact of global warming on baby lizards.
Mesozoic Era: the overview of animal species.
What are the molecular and genetic bases of animal evolution?
The cases of the gray wolf return.
Brain size and its impact on species intelligence.
The benefits and drawbacks of trout fish hatcheries.
The ethical considerations in animal research and testing.
How do animals reproduce and pass on their genes?
The effect of habitat destruction on the population of local animals.
The peculiarities of primate language.

Have you not found the perfect topic for your presentation yet? Do not panic! We have some additional easy biology topics that you can use!

The fundamental biological principles and concepts.
What is the role of photosynthesis in the carbon cycle?
The origins of viruses in the evolutionary history of life.
The problem of obesity in house pets.
Allergic reactions: symptoms and triggers.
What are the pros and cons of vaccination?
The complexity of the immune system.
The role of camouflage in sea animals.
Human memory: the basics of work.
How does alcohol affect the human brain and liver?
The issue of tropical forests extinction.
Characteristics of animal behavior in reproduction.
The impact of pollution on marine life.
What is the role of biodiversity in ecosystem stability?
The key functions of the human brain.

❓ 10 Controversial Topics In Biology

There are plenty of controversial and debatable topics on biology. These themes raise questions in terms of their ethical part and sociological perspective . You can prepare an oral presentation or a research paper on one of them. In this section, we’ve prepared for you 10 controversial topics on biology. Get inspired!

Abortion: When The Basic Legal Right To Live Begin?
Abortion: Whose Rights Should Be Respected At First?
Abortion: Are There Any Alternatives (As For Example Adoption)?
Abortion: Should Be Men Involved in The Decision-Making?
Human Cloning: What Are The Purposes?
Human Cloning: Arguments For and Against.
Human Cloning: An Overview of The Current Situation.
Animal Experiments: Arguments For and Against.
Genetically Engineered Food: A Threat or A Solution?
Embryonic Stem Cells: Arguments For and Against.

And where do you think you are going? Want to create biology topics for project writing? Or develop biology topics for essay papers? Hold on, you still have an important message to read!

State the subject of your research in the paper’s topic!

E.g., Current genetics: Searching for mutations’ causes (the causes of mutations are the obvious subject).

With that in mind, you will surely create perfect topics for biology papers.

We hope that you find our recommendations on interesting biology topics useful and get down to work! Remember, you have plenty of opportunities, from discussing controversial topics to focusing on one of the biological fields we’ve offered. Good luck!

Ecology, Behavior & Evolution: Research Topics – UC San Diego
Topic List: Developmental Biology – Stanford Medicine
Marine Biology: Core Research Areas – University of Washington
The Biology Undergraduate Major – Stanford University
What is evolution? | Biological Principles
Biological Sciences Research Guide – Humboldt State University
Biochemistry & Molecular Biology – Colorado State University
Biology Research Projects – University of Nevada
Biology – Research Basics – University of Texas

Extended Essay Writers

Biology EE Topics | 40 Ideas

Luke MacQuoid

There are many potential topics for a biology Extended Essay (EE) in the International Baccalaureate (IB) program.

Topic Ideas

Some possibilities include the following:

The effects of pollution on a particular species or ecosystem.
The genetic basis of a specific disease or trait.
The comparative physiology of a specific mammal and bird.
The effects of climate change on a particular species or ecosystem.
The impact of human activity on the evolution of a species.
The physiology of a specific plant species.
The efficacy of a specific medicinal plant.
The comparison of the anatomy and physiology of a specific animal species in captivity and in the wild.
The impact of a specific invasive species on an ecosystem.
The effect of different fertilizers on the growth and development of a specific plant species.
The study of the symbiotic relationship between specific species.
The effect of different light conditions on the growth and development of a specific plant species.
The impact of different temperature conditions on the physiology of a specific microorganism.
The study of the genetic diversity within a specific species.
The study of the effects of different pH levels on the growth and development of a specific plant species.
The impact of human activity on the population dynamics of a specific species.
The study of the effects of different soil types on the growth and development of a specific plant species.
The study of the impacts of different pesticides on the physiology of a specific species.
The study of the effects of different water conditions on the growth and development of a specific plant species.
The study of the impact of ocean acidification on the physiology of a specific marine species.
Studying the Effects of Acid Rain on Local Flora.
The Role of Gut Microbiota in Obesity.
Influence of Insecticides on Honey Bee Population Decline.
The Effects of Microplastics on Aquatic Food Chains.
The Role of Genetics in Determining Human Lifespan.
Influence of Habitat Loss on the Genetic Diversity of a Specific Species.
The Effects of Light Pollution on Nocturnal Animals.
A Comparative Study of Photosynthesis Rates in Different Plant Species.
The Impact of Noise Pollution on Avian Communication.
Analysis of Biological Controls for Invasive Species.
The Effects of Diet on the Gut Microbiota.
Understanding the Effect of Climate Change on Disease Vectors.
Exploring the Role of Genetics in Athletic Performance.
Effects of Pharmaceuticals on Aquatic Ecosystems.
The Impact of Urbanization on Local Bird Species.
Understanding the Relationship Between Sleep and Immune Function.
Studying the Effects of Air Pollution on Lichen Species.
The Role of Epigenetics in Aging.
The Effect of Vegan and Vegetarian Diets on the Human Body.
Investigating the Biological Mechanisms of Meditation and Mindfulness.

It’s important to note that these are just examples of topics for your IB EE in Biology . You should choose a topic that interests you and that you can find enough information on.

Need help with your Biology extended essay?

From research and analysis to structuring and editing, our skilled mentors will be by your side, helping you craft an exceptional extended essay that not only meets the stringent IB criteria but also reflects your passion for Biology studies.

Additionally, it’s essential to consult with your supervisor to make sure the topic meets the requirements of the Extended Essay and that you have access to the necessary resources to complete the research.

Students can use these themes in their essays by researching and analyzing the specific topic, providing evidence and examples to support their claims, and discussing the implications and potential solutions to the issue at hand.

For example, in an essay on the effects of pollution on a particular species or ecosystem, a student could research the specific pollutants that are affecting the species or ecosystem, analyze the effects those pollutants are having, and discuss potential solutions to mitigate the pollution and its effects.

These are experiments students can use for Biology EE topics:

Looking at how pollution impacts a certain type of animal or plant: This would involve checking out pollution levels in a specific place, then watching to see how it affects your chosen species.
Understanding how certain genes affect a disease or characteristic: This would mean doing genetic tests to identify the genes involved, and potentially using genetic engineering techniques to change those genes and see what happens.
Comparing how a mammal and a bird work: You’d do experiments to see how your chosen mammal and bird are similar or different. You could look at things like brain structure, behaviour, and thinking abilities.
Exploring how climate change impacts a certain animal, plant, or ecosystem: This could involve experiments to see how changes in temperature, rain patterns, or CO2 levels affect your chosen species or ecosystem.
Studying how people’s actions affect how a species evolves: This might mean looking at how things like habitat destruction, hunting, or pollution impact a species’ genetic diversity and population.
Looking at how a certain plant works: You’d do experiments to see how the plant responds to things like light, temperature, or water.
Studying how well a medicinal plant works: You’d do experiments to see how good the plant is at killing or slowing the growth of microbes, or reducing pain or inflammation.
Comparing a certain animal in captivity and in the wild: You’d look at how being in captivity affects the animal’s body and how it works, and how it behaves.
Seeing how an invasive species affects an ecosystem: You’d study how your chosen invasive species impacts the growth, reproduction, and health of native species.
Studying how different fertilizers affect a plant: This could involve testing different types of fertilizers to see how they affect the plant’s growth rate, leaf size, and health.
Looking at how certain species interact: You’d do experiments to understand the relationship between the species. This could involve seeing what happens when you remove one species, or how different environments affect the relationship.
Studying how light affects a plant: This might mean doing experiments to see how different light conditions affect the plant’s growth, leaf size, and health.
Looking at how temperature affects a microorganism: You’d do experiments to see how different temperatures impact the microorganism’s growth rate, metabolism, and health.
Studying genetic diversity in a species: This could involve using genetic markers to identify genetic variations in the species, and then seeing how these variations affect the organism.
Looking at how pH levels affect a plant: You’d do experiments to see how different pH levels impact the plant’s growth, leaf size, and health.
Studying how people’s actions affect a species’ population: This might mean looking at how things like habitat destruction, hunting, or pollution impact the species’ population size, growth rate, and health.
Looking at how soil types affect a plant: This could involve doing experiments to see how different types of soil affect the plant’s growth, leaf size, and health.
Studying how pesticides affect a species: This might mean doing experiments to see how different pesticides impact the species’ growth, reproduction, and health.
Looking at how water conditions affect a plant: You’d do experiments to see how different water conditions (like availability, salt levels, or temperature) affect the plant’s growth, leaf size, and health.
Studying how ocean acidification affects a marine species: This could involve doing experiments to see how increasing acidity levels impact the species’ growth, reproduction, and health.

Additionally, in an essay on the comparative psychiatry of a specific mammal and bird, a student could research and compare the brain structures, behaviors, and cognitive abilities of the two species and discuss any similarities and differences found.

A student can ask for help from a writing service if they need assistance with their essay. This can bring several benefits to the student, such as:

Professional guidance . Writing services often have experienced writers and editors who can provide guidance on the essay topic and structure, as well as help with research and editing.
Improved quality . A writing service can help improve the overall quality of the essay, including grammar, punctuation, and formatting.
Better grades . With the help of a writing service, a student’s essay is likely to be of higher quality, which can lead to better grades.
Time-saving . A writing service can help save time as the student can focus on other responsibilities while the writing service works on the essay.
Customization . Writing services can also provide a customized service that can be tailored to the student’s specific needs and requirements.
Originality . Professional writers will provide original work that is free from plagiarism, which is important in academic writing.

It is important to note, however, that a student should always ensure that the writing service they use is reputable and that they review and understand the work they receive before submitting it as their own.

Luke MacQuoid has extensive experience teaching English as a foreign language in Japan, having worked with students of all ages for over 12 years. Currently, he is teaching at the tertiary level. Luke holds a BA from the University of Sussex and an MA in TESOL from Lancaster University, both located in England. As well to his work as an IB Examiner and Master Tutor, Luke also enjoys sharing his experiences and insights with others through writing articles for various websites, including extendedessaywriters.com blog

How To Write A Biology Essay

Table of Contents

Content of this article

Topic choice.

Content page
Research question
Introduction
Investigation

Biology papers give us an opportunity of understanding forms that are complex in life. This, therefore, means you will have the chance to fully understand the plants as well as the animals found in the ecosystem. People are given assignments on biology so that they can fully research and have knowledge concerning the components of nature. An essay on biology also assists people in how to care for and tend to themselves. These biology papers also assist in fully understanding how the world and humanity are related. An essay on biology will, therefore, assist in answering queries and issues related to biology. The tips from our academic essay writing service may help a person to make the work professional without errors and mistakes. A primary element to keep in mind when writing biology papers is always to have a biology essay draft that will assist you all through the writing process. Biology essay topics need to be detailed so that they can be differentiated from other types of papers.

The topics of the biology papers determine the points that will be used in the article. This, therefore, means that the biology essay writing guide is dependent on the topic selected . Ensure that you fully understand what the biology essay writing expects from you and create a biology essay outline that will assist you in preparing an excellent piece. Biology essay outlining assists in the construction of detailed articles. Below are biology essay topics that one can use in biology essay writing.

Biology essay topics

Are vaccines necessary in our system?
Omnivore’s plants
How did the dinosaurs just disappear?
Did the evolution start from the monkeys?
Which are the most intelligent animals on the face of the earth?
Why do the male seahorses often carry the offspring?
How were the wolves domesticated?
The genetic mutations in plants and animals.
How the albino animals are different; is this trait also shared in plants and humans?
The process of aging in humans.

These are some of the good biology essay topics that you can use to produce an article that is standard.

Biology essay structure

The outline for a biology essay gives you clear guidelines on how to go about writing the article. The biology essay draft should go in line with the topic that the writer has chosen.

The biology essay outlining is as illustrated below:

1. The title

The title page offers clear indications of the biology essay focus.
The title should be precisely phrased and at the same time based on the hypothesis.
Avoid jargon for the title to look professional.
The title should also give the reader a quick understanding of the topic.

2. The content page

This page is located at the beginning of biology papers after the abstract and the title pages. The page shows the numbers as well as the subsections of the essay on biology.

3. The research question

The topics for a biology essay determine the research questions to be used. The research question shows what the article is trying to establish. Keep in mind that the question is not the same as the title.

The question in motion should be highlighted in the introduction. The content page will give the reader an understanding of the article.
The question should introduce new ideas as well.

4. The introduction

The biology essay introduction is the most crucial part of the article, as it will determine whether the readers will want to read more of the piece or not.

The introduction for a biology essay should illustrate what is being argued in the article.
For an introduction to be successful, the contents need to be brief and accurate.
Another professional way how to start a biology essay introduction is by illustrating how you reached the focus of the research.
The introduction should also contain the references that were accessed.
What might be revealed in the study should also be highlighted in the opening section.

5. The investigation

The study section gives you the chance of illustrating how the data was selected as well as its reliability.

You need to clearly explain, describe and justify the choice of collecting primary data.
Don’t forget to state the sources of the experiments. The method used should be detailed. Someone would want to repeat the same procedure.
Ensure that the investigations are ethical and not cruel.

6. The analysis

The body is the meat of the literature essay. The body covers most of the article. A common way how to write a biology essay body is by using at least three paragraphs.
The biology essay tips need to be relevant to the research question being discussed. The points should also give assertion to the reader.
Highlight the biology essay prompts as well. Elaborate on how the ideas have been used to support the question in the essay on biology.
For an effective essay on biology writing, discuss each point in its paragraph. This technique will give you the chance of exhausting the points.

7. The biology essay conclusion

The end of the article should be firm and sum up the whole article. The conclusion is a formal way how to conclude a biology essay. The conclusion restates the points for emphasis and makes the final argument clear. This section also gives you the chance of drawing connections between the points and questions being discussed. The conclusion for a biology essay also gives room for you to show your engagement with the essay on biology on a personal ground. The conclusion should be in a position of reformulating a new hypothesis as well as comparing the content to the secondary sources used. You can finish up the biology essay by stating the significance of the statistical tests done.

8. The references

Making citations is an essential issue in biology papers. There are quite some formatting and citation styles ranging from APA to MLA. You should, therefore, be keen on the style specified. Referencing styles depends on the academic discipline that one is in. For instance, APA is used in psychology, education, and sciences

Archetti M 2000. The origin of autumn colors by coevolution. Journal of Theoretical Biology, 205: 625–63

9. Sources for essay choice

Sources can either be secondary or primary. The primary source refers to any work that can be accessed originally. The secondary source refers to the works that have been original, but have been produced by another person. Examples of secondary sources include books , encyclopedias, and journals among other recreated works. You can use both the primary and secondary data to make your biology paper a success.

10. Finalizing the Essay

Once the essay on biology has been written, a revision is necessary to ensure the content is in order. A standard method of review is proofreading. Proofreading gives you the chance to analyze your work and correct errors that are avoidable.

Essays About Biology: Top 5 Best Examples and 6 Prompts

Writing essays about biology can be difficult because it’s composed of many subtopics. Check out this article for our top essay examples and writing prompts.

Biology came from the Greek words “bios” (life) and “logos” (study). It’s why biology is the study of life or living organisms. Aside from being a natural science, it also has consolidated themes, such as cells making all organisms. Because it’s a broad topic, biology is divided into specialized fields such as botany, genetics, zoology, microbiology, medicine, and ecology.

Biologists consider living beings’ origin, evolution, growth, function, structure, and distribution. It’s a comprehensive subject, so there are many things you can write about in your essay. However, at the same time, you might find it challenging to focus on just one area.

Below are examples to give you an idea of how to write your essays about biology:

1. Essay About Biology by Kelli Wilkins

2. my interests in biology by anonymous on essaywriting.expert, 3. essay on the importance of study of biology by akhila mol, 4. what biology means to me by anonymous on studymode.com, 5. how my biology teacher changed my perspective of learning the subject by sankalan bhattacharya, 1. biology in my everyday life, 2. something i realized because of biology, 3. my memorable biology class experience, 4. genetics’ role in people’s diseases, 5. my experience during the pandemic, 6. biology and health.

“Studying Biology is important for a number of reasons, but in particular because it is used in every field. If we did not have a good understanding of Biology then nobody would be able to understand how bodies work, and how life on earth functions.”

Wilkins shares her desire to study anatomy, a branch of biology, and expounds on what makes biology an essential field. Because biology lets people know more about the world, she digs into why she’s interested in anatomy, specifically to find ways to cure illnesses and develop technologies to discover new treatments. She ends her essay by relating biology to the existence of doctors and hospitals.

“It is known that education plays an important role in the life of any individual. It gives an opportunity to develop personality and gain specific skills, to get profound knowledge and experience in order to apply them practically in the future. As for me, my major goal is to study Biology in order to get appropriate knowledge and skills required for my future profession.”

The author shares why they want to study biology, referring to the human body as the “perfect machine” and curious about how it performs each of its systems’ functions. The writer also mentions how biology is critical to their future profession. They aim to help people with their health problems and relay their desire to research the brain to find more data on it.

“The study of biology owes great significance in human life, because man for its day-to-day requirements is dependent on plants and animals either directly or indirectly.”

Mol lists seven reasons why humans need biology in their daily lives. Her list includes health, diseases, agriculture, horticulture, food, animal breeding, and entertainment. She expounds on each point and how they affect a man during his time on Earth. She explains each relationship in a simple manner that’s easy to understand for the readers.

“Without biology, we would have no idea about an organism’s makeup, or the most basic unit of life, a cell… Biology influences me in many ways. Biology influences me by teaching me why to take care of the environment, why I am to take care of my body, and by giving me a better overall view of all scientific areas of study.”

In this short essay, the writer lists down reasons why biology is essential. These reasons include taking care of the environment, one’s body, and others. The author also expounds on their reasons by presenting facts supporting biology’s importance to the world and human lives.

“He told that the syllabus may be a good way to prepare for an exam but our knowledge should not be limited to any syllabus and the questions that were asked in the examination were related to the topic only. He told that if we try to know things in detail and understand them properly then the interest in the subject will develop, otherwise, students will not treat the subject as a subject of their choice.

Bhattacharya shares his experience with a teacher with a unique teaching style. His Biology teacher from Class 7, before the era of the internet, don’t just carry one book to get all his lessons from. Instead, he has a notebook with the collated information from many books to teach his class.

Bhattacharya’s teacher taught them things that were not in the curriculum, even if following the curriculum would give him higher points in his evaluation. He only wanted his students to learn more and share with them why learning differs from just knowing.

Do you want to be sure you have an excellent essay? See our round-up of the best essay writing apps to help you check your output.

6 Prompts for Essays About Biology

You don’t have to be a biology student to write an essay about the subject. If you’re looking for easy prompts to write about, here are some to get you started:

If mitochondria are the powerhouse of the cell, who is the powerhouse of your classroom? Your home? Relate a biology topic to a similar structure in your life, then explain why you think they are the same.

For instance, you can compare your mother to mitochondria which generate the energy needed to power a cell. The cell being you. You can say that she gives you energy every day by being there and supporting you in whatever way she can. This prompt bodes for a creative and intriguing essay.

Relay a lesson you learned from biology and how it perfectly explained something you were once hesitant about. Such as being insecure about your big ears – only to know from a biology trivia that ears never stop growing. You can then share how this help lessen your insecurity because you now know large ears are normal.

Do you have a memory you won’t forget that happened during biology class? Narrate this story and explain why it’s something that left an impression on you. To give you an idea, you can talk about the first time you dissected an animal, where you first realized how complex organisms are and that they are made of many systems to function, no matter how small.

Gene action and heredity are evolving. If you have a genetic illness or know someone who has it, you can share your experience. Then explain what your genes have to do with the disease. Is it something you got from your parents? Did they inherit it from your grandparents? Finally, you can add what your parents’ and grandparents’ lives were like because of the disease.

Virology, another branch of biology, studies viruses and viral diseases. A recent example is the coronavirus pandemic, where more people realized the importance of knowing a virus’ origin, structure, and how they work. Write an essay where you explain how the pandemic operates, such as why people should wear masks, social distance, etc.

For this essay, you can write about how biology helps you care for your health. For example, you can include how biology helped doctors give you the appropriate diagnosis, how you had the opportunity to have the proper treatment, etc.

If you want to write on a related topic, here are essay topics about nature you can consider for your next essay.

Maria Caballero is a freelance writer who has been writing since high school. She believes that to be a writer doesn't only refer to excellent syntax and semantics but also knowing how to weave words together to communicate to any reader effectively.

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Biology Extended Essay Topics and RQs for IBDP

Table of contents

Writing Metier

It’s time for our exploration of Biology extended essay topics, a resource designed to spark your curiosity and guide your research interests in the vast and vibrant field of biology.

Whether you’re fascinated by the intricate workings of ecosystems or intrigued by the complexities of cellular processes, this article offers a diverse range of topics collected by expert academic writers to suit your interests.

NB! If you need assistance with your Biology assignments, you can use our biology essay writing service , which will surely assist you. Now, let’s get back to the main question of the article – BIO EE topic ideas.

Bio EE topic categories

List of biology extended essay topic categories I’ll cover in this article.

Impact of Urban Development on Local Ecosystems – Investigating the effects of urban expansion on biodiversity in a specific area.
Marine Biology and Ocean Acidification – Studying the impact of changing pH levels on marine life.
Invasive Species and Their Impact on Biodiversity – Analyzing how a particular invasive species has affected native wildlife.
Conservation Efforts for Endangered Species – Evaluating the effectiveness of current conservation strategies for a specific endangered species.
Climate Change and Its Effects on Ecosystems – Researching how a particular ecosystem has been impacted by climate change.
Nutrition and Diet’s Impact on Human Health – Exploring the effects of a specific diet on human health.
Exercise Physiology – Investigating how different types of exercise affect a particular aspect of human health.
Neurobiology of Sleep – Studying the effects of sleep patterns on cognitive functions.
Genetic Factors in Diseases – Exploring the role of genetics in the susceptibility to a specific disease.
Impact of Environmental Factors on Allergies – Analyzing how environmental changes have influenced the prevalence of allergies.
Gene Expression in Cancer Cells – Investigating how gene expression differs in cancerous versus normal cells.
Protein Synthesis and Its Regulation – Studying the regulation of protein synthesis in a specific organism or cell type.
Stem Cell Research and Regenerative Medicine – Exploring the potential of stem cells in treating a specific condition.
Viral Replication and Host Interaction – Examining how a particular virus replicates and interacts with its host.
DNA Repair Mechanisms – Investigating the efficacy of different DNA repair mechanisms under various conditions.
Photosynthesis Variations Among Plant Species – Comparing photosynthetic efficiency in different plant species.
Impact of Climate Change on Plant Growth – Studying how changing climates affect the growth of a specific plant species.
Medicinal Properties of Plants – Investigating the medicinal properties of a specific plant.
Plant Defense Mechanisms Against Pathogens – Exploring how a particular plant species defends itself against pathogens.
Genetic Modification and Crop Improvement – Analyzing the impacts of genetic modification on a specific crop’s traits.
Social Behavior in Insects – Studying the social structures and behaviors of a specific insect species.
Bird Migration Patterns – Investigating the factors influencing migration patterns of a specific bird species.
Physiological Adaptations in Marine Mammals – Exploring adaptations that enable marine mammals to survive in their environments.
Impact of Environmental Stressors on Animal Behavior – Analyzing how specific stressors affect the behavior of a particular animal species.
Endocrine Regulation in Animals – Studying how the endocrine system regulates processes in a specific animal.
Antibiotic Resistance in Bacteria – Investigating the mechanisms of antibiotic resistance in a specific bacterial strain.
Use of Microorganisms in Bioremediation – Exploring the use of microorganisms in cleaning up environmental pollutants.
Genetic Engineering and Its Applications – Analyzing the applications and implications of genetic engineering in a specific field.
Role of Microbiome in Human Health – Studying how the human microbiome influences health and disease.
Yeast Fermentation and Its Industrial Applications – Investigating the fermentation process in yeast and its uses in industry.
Evolutionary Adaptations to Environmental Changes – Exploring how a particular species has adapted to environmental changes over time.
Genetic Diversity and Population Health – Studying the impact of genetic diversity on the health of a specific population.
Molecular Basis of Inheritance – Investigating the molecular mechanisms of inheritance in a specific organism.
Speciation and Genetic Drift – Analyzing the role of genetic drift in the speciation process.
Human Evolutionary Biology – Studying aspects of human evolution, such as the development of specific traits.

Every category and its subcategories provide a comprehensive overview, from the microscopic wonders of microbiology to the grand scale of evolutionary biology.

With the help of our IB writers team, I have managed to collect all these ideas for you, so I hope you will be enjoying this. I aim to inspire your investigative spirit and help you select a topic that satisfies the IB criteria and aligns with your passion for biology.

IB Bio extended essay topics

So, let’s begin with a list of IB Biology EE topics list.

Ecology and Environmental Science

I’m stoked to talk about Ecology and Environmental Science . It’s all about how living things interact with each other and their surroundings. Think of it like a complex dance of life, where every move affects the whole scene.

From the hustle and bustle of city ecosystems to the quiet, yet dynamic, world of marine biology, we’ll explore how these interactions shape our planet. We’ll also explore the hot topics of invasive species and their impacts, the heroic efforts in conservation, and the big elephant in the room – climate change.

So, let’s get ready to explore the intricate tapestry of life that makes our world fascinating!

Impact of Urban Development on Local Ecosystems

Research Question: How does the presence of urban green spaces affect bird species diversity in [City Name]?
Research Question: What impact do urban heat islands have on the behavior and distribution of [Specific Animal Species] in [City Name]?

Marine Biology and Ocean Acidification

Research Question: How does ocean acidification affect coral bleaching events in the [Specific Coral Reef Location]?
Research Question: What is the impact of increasing ocean acidification on the shell growth and survival of [Specific Shellfish Species]?

Invasive Species and Their Impact on Biodiversity

Research Question: What has been the impact of the invasive Zebra Mussel on native species in the Great Lakes?
Research Question: How do invasive plant species [Specify Species] affect the growth and survival of native plants in [Specific Region]?

Conservation Efforts for Endangered Species

Research Question: How effective have conservation strategies been in increasing the population of the Giant Panda in China?
Research Question: What are the impacts of anti-poaching measures on the survival of Rhinoceros populations in Africa?

Climate Change and Its Effects on Ecosystems

Research Question: How is the melting of Arctic sea ice affecting the habitat and migration patterns of polar bears?
Research Question: What are the effects of rising global temperatures on plant and animal life in the Alpine ecosystems?

Transitioning from the external world of Ecology and Environmental Science, we now turn to the internal intricacies of Human Physiology and Health.

This shift brings us from exploring external ecosystems to understanding our body’s inner workings, a world where lifestyle choices meet biological responses.

Human Physiology and Health

Let’s chat about Human Physiology and Health, the amazing science of how our bodies work and how we keep them ticking. We’re diving headfirst into the world of nutrition and diet – what you eat isn’t just about taste, it’s about your health too!

Then, we’ll check out how exercise, that thing we all know we should do more of, affects our bodies in awesome ways. Ever wondered about the science of sleep and how it messes with your brain when you don’t catch enough Z’s? We’ll cover that, along with the mysteries of genetics in diseases, and how our environment plays a sneaky role in triggering allergies.

It’s going to be an eye-opening ride through the wonders of our bodies!

Nutrition and Diet’s Impact on Human Health

Research Question: How does adherence to the Mediterranean diet affect cardiovascular health indicators in adults?
Research Question: What is the impact of a long-term vegan diet on nutrient absorption and health in teenagers?

Exercise Physiology

Research Question: How does HIIT affect cardiovascular fitness in young adults?
Research Question: What are the effects of regular yoga practice on stress and anxiety levels in college students?

Neurobiology of Sleep

Research Question: How does sleep deprivation impact cognitive performance and memory in high school students?
Research Question: What is the relationship between sleep patterns and academic performance in IB students?

Genetic Factors in Diseases

Research Question: How do specific genetic factors contribute to the risk of developing Alzheimer’s disease?
Research Question: What is the contribution of genetics to the onset of Type 2 Diabetes in populations with high prevalence rates?

Impact of Environmental Factors on Allergies

Research Question: What is the correlation between air pollution levels and the prevalence of respiratory allergies in urban children?
Research Question: How has climate change influenced the prevalence and severity of allergic diseases in [Specific Region]?

Moving from Human Physiology and Health, we zoom into the realm of Cellular and Molecular Biology.

Here, we swap the broader human health perspective for a closer look at life’s building blocks, delving into the microscopic universe that operates within every living being.

Cellular and Molecular Biology

Ready to geek out on Cellular and Molecular Biology? This is where we get down to the nitty-gritty of life – the cells and molecules that make up every living thing.

We’re talking about the big bad world of cancer cells and what makes them tick, the fascinating process of how our cells make proteins, and the cutting-edge stuff like stem cell research and how viruses play a game of cat and mouse with our bodies.

Meanwhile, make sure also to check our article with biology research paper topics for all students.

Plus, we’ll unravel the mysteries of how our cells fix their own DNA. It’s like being a detective, but for biology. Trust me, it’s cooler than it sounds!

Gene Expression in Cancer Cells

Research Question: How does gene expression in breast cancer cells differ from that in normal breast tissue?
Research Question: What role do specific oncogenes play in the development of colorectal cancer?

Protein Synthesis and Its Regulation

Research Question: How is protein synthesis regulated in response to physical exercise in human muscle cells?
Research Question: How do bacterial cells regulate protein synthesis under environmental stress conditions?

Stem Cell Research and Regenerative Medicine

Research Question: What is the potential of stem cell therapy in the treatment of Parkinson’s Disease?
Research Question: How can stem cells be used to repair damaged heart tissue?

Viral Replication and Host Interaction

Research Question: How does HIV replicate within human cells, and what is its impact on the immune system?
Research Question: How does the Influenza virus adapt to host immune responses over time?

DNA Repair Mechanisms

Research Question: How do DNA repair mechanisms change as human cells age?
Research Question: How effective are DNA repair mechanisms in skin cells exposed to different levels of UV radiation?

After diving into the microcosm of cells and molecules, we transition to Plant Biology.

This shift steers us from the foundations of life at the cellular level to the diverse world of plants, exploring how these organisms harness and embody basic biological principles.

Plant Biology

Let’s dive into the world of Plant Biology! Plants are not just pretty to look at; they’re the backbone of all life on Earth.

We’ll be talking about how they turn sunlight into food – a process that’s as important as it is fascinating. Ever wonder how plants are coping with our changing climate or what superpowers medicinal plants have? We’ve got that covered.

We’ll also explore the secret life of plants, how they defend themselves against enemies, and the science behind making them stronger and better through genetic modification.

It’s time to get our hands dirty and uncover the secrets of the plant world!

Photosynthesis Variations Among Plant Species

Research Question: How does photosynthetic efficiency compare between C3 and C4 plants under varying light conditions?
Research Question: What is the effect of varying light intensities on the rate of photosynthesis in [Specific Aquatic Plant Species]?

Impact of Climate Change on Plant Growth

Research Question: How are Arctic tundra plants adapting their growth patterns in response to global warming?
Research Question: What is the impact of elevated atmospheric CO2 levels on the growth of [Specific Plant Species]?

Medicinal Properties of Plants

Research Question: What are the anti-inflammatory properties of [Specific Medicinal Plant] and how can they be harnessed?
Research Question: What is the antioxidant capacity of different herbal teas, and how does it affect human health?

Plant Defense Mechanisms Against Pathogens

Research Question: How do [Specific Plant Species] defend themselves against fungal infections?
Research Question: What role do secondary metabolites play in the defense mechanisms of [Specific Plant Species] against herbivores?

Genetic Modification and Crop Improvement

Research Question: How effective are genetically modified crops in resisting drought conditions compared to traditional varieties?
Research Question: What is the impact of genetic modification on the nutrient content of [Specific Crop]?

From the stationary life of plants, we now step into the dynamic world of Animal Behavior and Physiology. This change of scene introduces us to the complex behaviors and physiological adaptations of animals, offering a contrasting perspective to plant biology.

Animal Behavior and Physiology

Let’s jump into the wild and wonderful world of Animal Behavior and Physiology. This is where we get to spy on the animal kingdom and learn about their secret lives.

From the social gossip of insects to the globe-trotting adventures of migratory birds, animals have some amazing stories to tell.

We’ll also look at how marine animals have adapted to their deep and mysterious homes, how animals respond when their environment goes bonkers, and the hormonal soap operas that dictate their lives.

It’s like being a fly on the wall in the most interesting nature documentary ever!

Social Behavior in Insects

Research Question: How does the social structure of honeybee colonies affect their survival and productivity?
Research Question: What are the primary communication mechanisms used in ant colonies, and how do they impact colony efficiency?

Bird Migration Patterns

Research Question: How has climate change affected the migration routes of [Specific Bird Species]?
Research Question: How do magnetic fields influence the migration patterns of [Specific Bird Species]?

Physiological Adaptations in Marine Mammals

Research Question: What physiological adaptations allow sperm whales to dive to extreme depths?
Research Question: How do polar bears regulate their body temperature in the Arctic environment?

Impact of Environmental Stressors on Animal Behavior

Research Question: How does underwater noise pollution affect the behavior and communication of dolphins?
Research Question: What are the effects of urban light pollution on the nocturnal activities of [Specific Nocturnal Animal Species]?

Endocrine Regulation in Animals

Research Question: How do hormones regulate the reproductive behaviors in [Specific Bird Species]?
Research Question: How do stress-induced cortisol levels affect the behavior of [Specific Wild Animal Species] in their natural habitat?

Leaving the observable world of animals, we enter the less visible but equally important sphere of Microbiology and Biotechnology. This transition takes us from larger life forms to the microscopic, where tiny organisms significantly impact our health, environment, and technology.

Microbiology and Biotechnology

Alright, microbe hunters and tech wizards, it’s time to zoom in on Microbiology and Biotechnology. This is the world of the tiny, where bacteria and viruses hang out, and where science meets innovation .

We’re going to explore the battleground of antibiotic resistance, how we can use tiny organisms to clean up our messes, and the mind-blowing possibilities of genetic engineering.

Ever thought about how your gut buddies – the microbiome – affect your health? We’ll get into that too, along with the yeast party that’s behind some of your favorite bread and beverages.

Antibiotic Resistance in Bacteria

Research Question: What factors have contributed to the rise of Methicillin-resistant Staphylococcus aureus (MRSA) in hospitals?
Research Question: What are the primary mechanisms of antibiotic resistance in Escherichia coli strains found in [Specific Environment]?

Use of Microorganisms in Bioremediation

Research Question: How effective are specific bacterial species in the bioremediation of oil spills?
Research Question: What is the effectiveness of using fungi in the phytoremediation of soils contaminated with heavy metals?

Genetic Engineering and Its Applications

Research Question: What is the potential of CRISPR-Cas9 technology in preventing genetic diseases?
Research Question: How has genetic engineering been used to enhance the nutritional quality of [Specific Crop]?

Role of Microbiome in Human Health

Research Question: What is the relationship between the gut microbiome and obesity in adults?
Research Question: How does the diversity of the human microbiome affect immune system functioning?

Yeast Fermentation and Its Industrial Applications

Research Question: How efficient is yeast fermentation in the production of biofuels compared to traditional methods?
Research Question: How do different yeast strains affect the flavor profiles in beer brewing?

Finally, we shift from the practical applications in Microbiology and Biotechnology to the historical narrative of Evolution and Genetics. This move links present-day biological understanding to the historical journey of life, unraveling how genetic heritage and evolutionary processes shape all living things.

Evolution and Genetics

Ready to unravel the tales of Evolution and Genetics? This is where we figure out how life on Earth got to be as diverse and fantastic as it is. We’ll be exploring the incredible adaptations organisms have made to survive and thrive, how genetic diversity is crucial for the health of species, and the molecular secrets behind inheritance.

Ever pondered how new species come into being or what genetics reveal about our own ancient history ? Well, you’re in for a treat. We’re about to walk through time and genes to discover the roots and branches of the tree of life. Buckle up!

Evolutionary Adaptations to Environmental Changes

Research Question: What evolutionary adaptations have enabled cacti to thrive in harsh desert environments?
Research Question: How have Galápagos finches undergone adaptive radiation in response to their environment?

Genetic Diversity and Population Health

Research Question: How does genetic diversity affect the health and survival of animal populations on isolated islands?
Research Question: How can conservation genetics be used to enhance the survival prospects of [Specific Endangered Species]?

Molecular Basis of Inheritance

Research Question: What is the molecular basis of inheritance for Sickle Cell Anemia?
Research Question: How can mitochondrial DNA be used to trace maternal lineage in human populations?

Speciation and Genetic Drift

Research Question: What role has genetic drift played in the speciation of cichlids in Lake Victoria?
Research Question: How does genetic drift affect the genetic diversity of small, isolated animal populations?

Human Evolutionary Biology

Research Question: What evolutionary factors contributed to the development of bipedalism in early humans?
Research Question: What are the key genetic adaptations that enable humans to live at high altitudes?

These topics and questions aim to inspire in-depth exploration and research, allowing students to delve into various aspects of biology, from molecular to ecosystem levels.

Use them as an inspiration for your future Ib extended essay.

Select your topic wisely!

The world of biology is rich with diverse topics suitable for an Extended Essay. From the tiny intricacies of cellular biology to the broad complexities of environmental science, each area offers a unique perspective and a chance for in-depth exploration .

The key to a successful essay is choosing a topic that not only interests you but also challenges your analytical and research skills.

Need Extra Support?

If you’re seeking guidance with your topic selection, or if you need assistance in writing or editing your Biology Extended Essay , our team at Writing Metier is here to help.

Our experienced IB writers are equipped to provide the support you need to refine your ideas and enhance your writing. Contact us for personalized assistance, or simply fill out our online order form with details of your IB EE and ensure your essay is a reflection of your best efforts.

Free topic suggestions

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Vasyl Kafidoff is a co-founder and CEO at WritingMetier. He is interested in education and how modern technology makes it more accessible. He wants to bring awareness about new learning possibilities as an educational specialist. When Vasy is not working, he’s found behind a drum kit.

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Biology EE Topics: How to Choose, Plus Good Examples

by Antony W

September 3, 2022

Have you scoured the web for Biology EE topics but came out empty? Or maybe you’ve considered writing an EE in the subject but you still have no idea what to focus your research on?

You’ve come to the right place.

In this guide, you’ll learn how to choose the best biology extended essay topic to explore in your assignment. In addition, we’ll give you some topic ideas as well as teach you how to treat the topic you choose.

What’s the Purpose of a Biology Extended Essay?

An extended essay in biology allows you to apply biological knowledge while conducting research on a topic of personal interest within the area of biology.

A concentration on biology within the framework of a broader scientific research is what defines the nature of a biology extended essay.

How to Choose Biology EE Topics

The following are important considerations to make when selecting a topic for your biology extended essay:

1. Select a Topic Focusing Strictly on Biology

Biology is the scientific discipline concerned with living beings and biological processes. Therefore, a biology extended essay should contain biological theory and underline the subject's fundamental character.

It is essential that the emphasis of the extended essay be clearly biological and not more closely connected to another subject.

Although identical grading criteria apply to all extended essays in the experimental sciences, the topic you choose for a biology extended essay must provide a distinct biological perspective.

2. Avoid Topics That May Cause Harm

Certain topics are inappropriate for research due to ethical concerns. Investigations based on trials that are likely to cause pain or needless stress to living beings are ineligible for submission.

Investigations that are likely to have a negative impact on health, such as microorganism cultivation at or near body temperature, or that may require access to or release of personal medical information are inappropriate.

Some topics may not be acceptable for examination due to safety concerns.

You need to avoid experiments involving the use of poisonous or hazardous chemicals, carcinogenic compounds, or radioactive materials, unless proper safety equipment and trained supervision are available.

3. Avoid Obvious Topics

Other topics may be inappropriate because the conclusion is already well known and documented in standard textbooks.

Biology Extended Essay Writing Help

Are you finding Biology Extended Essay topic selection process tedious? Have you selected a topic but have no idea how to proceed?

Or maybe you have other overwhelming assignments waiting for you and you can’t find the time to complete an EE in this subject?

We’re here to help.

You can buy an EE in Biology online from Help for Assessment and get professional writing help within your time limit Whether you have a week left before submitting your first draft or you’re planning to attend the last reflection meeting to present your final draft, our writers are here to help.

Our writing service involves topic selection, preliminary research, development of a research issue, and writing and editing.

The topic we select is strictly within Biology, and we come up with research issues that we can address within the scope of the Biology Extended Essay assignment.

10+ Biology Extended Essay Topics

The following are 20+ examples of Biology Extended Essay topics. You can pick a topic from the list, modify it further, and share it with your supervisor for review.

Or you can use this list as an inspiration to help you come up with a topic that would suit your research.

Determine the link between the growth hormone indole acetic acid and the growth of X.
How much do living cultures in dairy products such as milk, yoghurt, and cheese lower the lactose content after 2 hours of incubation?
The connection between photoreceptor cells in the human retina, “age, and gender."
Are commercial techniques of oral rinse (mouthwash) more efficient at preventing the growth of Micrococcus luteus than traditional methods of oral hygiene?
Which of hand sanitizer, hand soap, or antibacterial wipes inhibits the development of E. coli the most effectively?
Investigating the time necessary for two distinct species of tadpoles to attain metamorphic climax from the pre-metamorphosis stage at four different temperatures
How much does a 2-hour incubation at 37°C lower the lactose content in yogurts containing live cultures?
The effect do different light combinations on the movement of red-eared sliders, in relation to the position of the light sources.
What is the prevalence of nasal carriage of Staphylococcus aureus among kids at Tanglin Trust School, and what are the related risk factors?
Investigate the antibacterial effects of copper, barium, and silver on bacterial growth.
Photo acclimation is the capacity of diverse symbiodinium-hosting coral species to endure aberrant light circumstances.
Is it feasible for plants in the same ecosystem to act differently?
The risk of painkillers and similar medications to the human brain
Near hydrothermal vents on the ocean floor are indications of life's development on Earth.
Current ideas and evidence concerning the molecular reasons responsible for the rising prevalence of allergy disorders in industrialized nations
Blood group relative frequencies in distinct geographic locations used to trace ancient migrations of humans.
How millennia of breeding have caused domesticated dogs to respond to eye contact through bonding (by producing oxytocin hormone)
An examination of malnourished children in Indonesia and the degree of their recovery following a period of supervised increased nutrition.
The competitive and evolutionary nature of Paramecium Bursaria’s symbiotic connection

How to Analyze Your Biology Extended Essay Topic

You should explain early in the essay how you formulated the research topic and, if applicable, how you narrowed it by briefly elaborating on any relevant elements.

You should develop one or more hypotheses, especially since a single, well-formulated inquiry can generate a handful of specific hypotheses.

It’s possible to base your biology extended essays on data obtained through experiments, survey, microscopic observations, biological sketching, fieldwork, or any acceptable biological method.

Alternately, you can base the essay on facts or information collected from literature, ideally from primary sources, then alter or analyze in an innovative way.

If you’re working on an essay that requires laboratory or fieldwork test, you should provide a clear and brief description of the experimental methodology.

Explain how you chose the research technique and methodology, as well as any options that you investigated but rejected.

Final Thoughts

Now that we’ve given you a list of 10+ Biology extended essay topics, it should be easy for you to identify an area to explore.

It can be an area you’re always interested in or a topic that you’ve always wanted to explore.

You should do research for your essay under the direct supervision of a supervisor.

Regardless of where or under what conditions you conduct studies, you must demonstrate your personal contribution to the research methodology and selection of methodologies in the essay.

Generating and presenting data should not be a goal in and of itself. Remember, proper scientific analysis is vital.

About the author

Antony W is a professional writer and coach at Help for Assessment. He spends countless hours every day researching and writing great content filled with expert advice on how to write engaging essays, research papers, and assignments.

569 Biology Research Topics & Cool Ideas

Icon Calendar 18 May 2024
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Biology research topics include many aspects of living beings, from molecular interactions to ecosystem dynamics. Some themes delve into the secrets of genetics, studying the subtle dance of DNA and RNA to understand heredity and mutation. Other topics cover the realm of microbiology, examining bacteria, viruses, and fungi that are essential to life and yet can cause disease. In neuroscience, people can explore the brain’s complex networks, probing consciousness and memory. Ecological research illuminates the delicate balance of life on the planet, investigating species interactions, climate change impacts, and conservation strategies. Cell biology research uncovers the inner world of the cells, elucidating various processes, such as protein synthesis, cell division, and signal transduction. Therefore, biology research topics form the core concepts of how the biological world works, a field forever expanding human understanding of life in all its beautiful complexity.

Good Biology Research Topics

Cellular Respiration and Energy Conversion Mechanisms
Protein Structure and Its Influence on Function
Epigenetics: An Exploration of Hereditary Changes
Plant Defense Mechanisms Against Pathogens
Circadian Rhythms in Humans and Animals
Neural Plasticity and Cognitive Function
Studying Gene-Environment Interactions in Disease
Bacterial Resistance to Antibiotics
Human Microbiome: Implications for Health
Regulation of Cell Growth and Cancer
Ecology of Invasive Species
Investigation Into Prion Diseases
Plant Photosynthesis and Climate Change
Deciphering the Human Genome
Genetic Basis of Behavioral Traits
Stem Cells: Potential and Limitations
Immunology: Unraveling Allergic Responses
Ocean Acidification and Marine Life
Probiotics and Gut Health
Epigenetic Factors in Aging

Easy Biology Research Topics

Understanding Photosynthesis: The Green Magic
Investigating the Life Cycle of a Butterfly
Bird Migration Patterns and Causes
Life in a Drop: Exploring Pond Microorganisms
Exploring Darwin’s Theory of Natural Selection
Mendel’s Laws: Studying Genetics in Pea Plants
Food Chains and Energy Flow in Ecosystems
Cell Structure: Uncovering the Building Blocks of Life
Human Digestive System: From Bite to Nutrient
How Does DNA Replication Work?
Circulatory System: A Journey Through the Human Body
Mushroom Lifecycle: An Investigation
Tree Rings Tell a Story: Dendrochronology Basics
Understanding the Human Eye: Vision Mechanics
Adaptations: How Do Animals Survive in the Arctic?
Coral Reefs: An Ecosystem Underwater
Flower Pollination: The Work of Bees
Why Do Leaves Change Color in Autumn?
Mitosis: The Process of Cell Division

Interesting Biology Topics

Symbiotic Relationships in Nature
Mysteries of Bioluminescence
Pandemics: Influenza and Beyond
Neuroplasticity: Brain’s Adaptability
Venomous Creatures and Their Defense Mechanisms
Fermentation Process in Brewing
Epigenetics: Beyond the DNA Sequence
Journey Into the Human Genome
Biodiversity in the Rainforest
Life at the Extremes: Organisms in Deep Sea Vents
Biomimicry: Nature’s Design Genius
Invasive Species: Consequences and Control
Plant Communication: More than Meets the Eye
Stem Cells: Hope and Hype
Human Microbiome: We Are Not Alone
Camouflage and Mimicry in Nature
Circadian Rhythms: The Body’s Internal Clock
Probiotics: Beneficial Microorganisms
Endangered Species: Conserving Biodiversity
Cloning: Ethical and Biological Considerations

Biology Research Topics for High School

Genetics and Inheritance Patterns
Photosynthesis: Life’s Solar Panel
Cell Division: Mitosis and Meiosis
Human Immune System: Body’s Defense
Ecology: Ecosystems and Food Webs
Exploring the Animal Kingdom
Plant Life: From Seed to Flower
Bird Migration Patterns
Endocrine System: Hormones at Work
Aquatic Biomes: Life Underwater
Genetic Engineering: Pros and Cons
Taste and Smell: Sensory Biology
Principles of Evolution
Nutrition and Digestion
Biotechnology and Its Applications
Human Brain: Anatomy and Function
Mitochondria: Powerhouse of the Cell
Aquatic Pollution: Effects on Marine Life
Disease Transmission: Viruses and Bacteria
DNA and RNA: The Code of Life

Biology Research Topics for College Students

Biological Effects of Climate Change
Neurobiology of Sleep and Circadian Rhythms
Behavioral Ecology: Studying Animal Behavior
Nanotechnology in Biology
Understanding Human Aging Process
Stem Cells and Regenerative Medicine
Exploration of Marine Biodiversity
Ecological Impact of Invasive Species
Cancer Biology: Mechanisms and Treatments
Symbiosis in Nature: A Detailed Study
Molecular Biology of Prions
Biodiversity and Conservation
Bioinformatics: Analyzing Biological Data
Plant Genetic Engineering for Food Security
Biochemistry of Metabolism
Developmental Biology: From Zygote to Organism
Neuroscience: Understanding the Human Brain
Protein Structure and Function

Biology Research Topics for University

Human Genomics: Decoding Our DNA
Molecular Mechanisms of Diseases
Microbiology of Extreme Environments
Neuroplasticity and Learning
Antibiotic Resistance: A Growing Threat
Plant Responses to Environmental Stress
Paleobiology: Reading Fossils for Evolutionary Patterns
Nanomedicine: Opportunities and Challenges
Advanced Immunology: Understanding Immune System
Cellular Mechanisms of Aging
Parasitology: Life Cycle and Host Interaction
Bioengineering: Bridging Biology and Technology
Comparative Anatomy: Insights Into Evolution
Endocrinology: Hormones and Health
Biology of Sex and Gender
Bioluminescence in Marine Organisms
Understanding Genetic Disorders
Molecular Virology: Viruses and Host Interactions
Genetics of Human Population Variation
Microbial Ecology: Microbes in Ecosystems

Human Biology Research Topics

Human Brain Mapping: Unraveling the Mysteries
Genetic Basis of Human Diseases
Stem Cells: Promise and Challenge in Medicine
Epigenetic Modifications in Human Health and Disease
Aging Process: Cellular and Molecular Mechanisms
Biotechnology in Human Reproduction
Neuroendocrinology: Interactions of Brain and Hormones
Genomics and Personalized Medicine
Environmental Influences on Human Health
Challenges in Transplantation Biology
Physiological Basis of Human Nutrition
Molecular Basis of Human Cancer
Immunotherapy: New Frontiers in Treatment
Genetic and Environmental Factors in Obesity
Deciphering the Human Microbiome
Longevity and Lifespan Extension
Circadian Rhythms in Human Biology
Biological Markers in Neuropsychiatry
Pathogenesis of Autoimmune Diseases
Metabolic Syndrome: Interconnected Health Issues

Immune System Biology Topics to Research

Deciphering the Role of Innate Immunity in Autoimmune Diseases
Impact of Aging on Adaptive Immune Response
Toll-Like Receptors and Their Contribution to Immune Defense
Unveiling the Mystery of Immunological Memory
Immuno-Oncology: Unraveling the Cancer-Immune System Battle
Exploring the Complex World of Major Histocompatibility Complex (MHC)
Intricate Interplay of Cytokines in Inflammatory Responses
Harnessing Natural Killer Cells in Immunotherapy
Role of Complement System in Immune Response and Disease
Influence of Stress and Mental Health on Immune Functionality
Antibody Diversity: Generation and Its Clinical Implications
Immune Evasion Mechanisms Employed by Pathogens
Unraveling the Biology of Regulatory T Cells
Inflammatory Bowel Disease: An Immune System Conundrum
Vaccines: Illuminating the Principles of Immune Activation
Autoimmunity and Gender: Understanding the Female Predominance
Dendritic Cells: Guardians of Immunity
Role of Epigenetics in Immune Cell Differentiation
Thymus and T Cell Maturation: An In-Depth Study
Role of Nutrition in Modulating Immune Responses
Unfolding the Link Between Allergies and the Immune System

Genetics Research Topics in Biology

Genetic Algorithms: Explorations and Applications
Epigenetics: Beyond the Human Genome
Biodiversity and Genetic Conservation
Gene Therapy: Ethical and Safety Concerns
Molecular Mechanisms of Genetic Mutations
Neurogenetics and Disorders of the Nervous System
Pharmacogenomics: Personalizing Drug Therapy
Transposable Elements in Genome Evolution
Gene-Environment Interactions in Disease
Genetics of Aging and Longevity
Genome Editing Technologies and Implications
Prenatal Genetic Screening and Diagnosis
Human Behavioral Genetics: Nature vs. Nurture
Cancer Genomics: Unlocking the Disease Code
Forensic Genetics: DNA Evidence in Crime Solving
Genetic Basis of Infectious Diseases
Gene Regulation in Development and Disease
Genetic Engineering: Prospects and Perils
Population Genetics: Understanding Genetic Variation
Genomics of Complex Traits and Diseases

Neurobiology Research Topics

Molecular Mechanisms of Memory Formation
Brain-Computer Interfaces: Bridging Neurology and Technology
Neuroplasticity and Learning Adaptations
Neuroimmunology: Immune Response in Neurological Disorders
Neurobiology of Aging and Age-Related Disorders
Neurochemical Correlates of Mental Disorders
Decoding Neural Networks in Cognitive Function
Genetic Influences on Neurodevelopmental Disorders
Cellular Mechanisms of Sensory Perception
Neurobiology of Pain: Unraveling Chronic Conditions
Addiction Pathways in the Neurobiological Context
Exploring the Biological Basis of Consciousness
Neuroprosthetics and Their Clinical Implications
Understanding Neurogenesis in Adult Brain
Regenerative Medicine in Neurological Diseases
Neural Circuitry and Emotion Regulation
Neurobiology of Stress Effects on the Brain
Neuroanatomy of Language and Communication Disorders

Evolutionary Biology Research Topics

Speciation Mechanisms in Endemic Species
Epigenetic Inheritance: A New Dimension in Evolution
Adaptive Radiation in Island Ecosystems
Sexual Selection and Animal Behavior
Microbial Co-Evolution and Antibiotic Resistance
Genomics and Phylogenetics: Tracing Life’s History
Evolutionary Medicine: Disease and Natural Selection
Allopatric Speciation in Geographically Isolated Populations
Paleogenomics: Reconstructing Evolutionary History
Ecological Genomics and Adaptive Evolution
Evolutionary Bioinformatics: Decoding Life’s History
Mimicry and Camouflage in Animal Kingdom
Comparative Genomics in Evolutionary Studies
Hominin Evolution: Tracing the Origins of Homo Sapiens
Plant Evolution in Response to Environmental Stress
Genetic Drift and Population Bottlenecks
Evolutionary Ecology of Host-Parasite Interactions
Molecular Phylogenetics and Species Divergence
Selection Pressures in Pathogen Evolution

Research Topics in Biological Crossing

Artificial Selection and Genetic Improvement
Genetic Hybridization in Agriculture
Transgenic Organisms: Methods and Implications
Meiosis and Genetic Recombination
Horizontal Gene Transfer in Bacteria
Inbreeding Depression and Heterosis
Cytoplasmic Inheritance in Plant Breeding
Interactions of Crossing Over and Linkage
Ethics and Biotechnology: GMOs in Focus
Genome Editing Techniques: CRISPR and Beyond
Selective Breeding and Animal Husbandry
Interspecific Hybridization and Speciation
Chromosomal Aberrations During Crossing
Synthetic Biology: Creating Life in the Lab
Next Generation Sequencing and Genomic Diversity
Bioinformatics in Genomic Research
Regulation of Meiotic Recombination in Eukaryotes
Genetic Markers in Plant Breeding
Chromosomal Mapping and Linkage Analysis
Genome-Wide Association Studies in Complex Traits

Topics on Prohibited Research in Biology

Ethical Dilemmas in Cloning
Human Genetic Modification and Society
Legalities Surrounding Stem Cell Research
Chimeras: Genetic Engineering Boundaries
Biohacking and Personal Genetic Engineering
Euthanasia: Perspectives in Biological Sciences
Dual Use Research of Concern (DURC) in Microbiology
Creating Novel Pathogens: Scientific Gain or Risk?
Human-Animal Embryo Research: Crossing the Line?
Biopiracy and Exploitation of Indigenous Knowledge
Brain-Computer Interfaces: Privacy and Consent Issues
Eugenics and Genetic Discrimination
Designer Babies: Possibilities and Ethical Challenges
Artificial Wombs: Ethical and Legal Considerations
Genetically Modified Crops: Ecological Concerns
Animal Testing in Biomedical Research
Age Reversal Experiments: Ethical Quandaries
Synthetic Viruses and Biological Weapons
Genetic Privacy in the Age of Personal Genomics

Topics on Experimental Research in Biology

Pioneering Techniques in CRISPR-Cas9 Gene Editing
Immunotherapy and Personalized Medicine Advances
Experimental Designs for Microbiome Studies
Single Cell RNA Sequencing Techniques and Applications
In Vivo Models for Alzheimer’s Disease
Investigating Symbiotic Relationships in Marine Biology
Advancements in Bioluminescence Imaging Techniques
Metabolic Pathways in Cancer: Experimental Approaches
Investigating Brain Plasticity in Adult Mammals
Strategies for Genome-Wide Association Studies
Experimental Approaches to Studying Epigenetics
Nano-Biotechnology: Novel Techniques and Applications
Optogenetics in Neural Circuit Analysis
In Vitro Fertilization: Advancements and Challenges
Experimental Methods in Protein Folding Studies
Techniques in Cellular Reprogramming
Approaches in Tissue Engineering and Regenerative Medicine
Neuroimaging Techniques in Cognitive Neuroscience
Experimental Models for Studying Zoonotic Diseases
Techniques and Challenges in 3D Bioprinting

Topics to Research on DNA

Novel Insights Into DNA Repair Mechanisms
Epigenetic Modifications in DNA Methylation
DNA Barcoding and Biodiversity Studies
Understanding DNA Replication Fidelity
Whole Genome Sequencing: Techniques and Applications
DNA Damage Response in Aging Cells
Nanotechnology Approaches for DNA Sequencing
Single Molecule Studies of DNA Replication
Comparative Genomics and DNA Conservation
Structural Studies of DNA-Protein Interactions
Mechanisms of DNA Recombination
CRISPR-Cas9 and DNA Editing Advances
DNA Topology in Cellular Functions
DNA-Based Therapies for Genetic Disorders
Bioinformatics Tools for DNA Sequence Analysis
DNA Fingerprinting in Forensic Science
Origin and Evolution of Mitochondrial DNA
Microsatellites and DNA Polymorphism
Techniques in DNA Data Storage
DNA Vaccines and Immunotherapies

Biology Topics to Research on Behavior and Hormones

Behavioral Endocrinology: Hormones and Social Behavior
Neuroendocrine Regulation of Aggression
Circadian Rhythms and Hormonal Regulation
Impact of Stress Hormones on Animal Behavior
Hormones and the Development of Parental Behavior
Adrenal Hormones and Fear Response Mechanisms
Hormonal Influences on Human Sexual Behavior
Behavioral Implications of Hormonal Imbalances
Influence of Hormones on Eating Behavior
Gonadal Hormones and Mood Disorders
Endocrine Disruptors and Altered Behaviors
Hormonal Control of Migration in Birds
Hormones and Memory Formation: Neurobiological Perspectives
Thyroid Hormones and Behavioral Development
Pheromones and Reproductive Behaviors
Serotonin, Dopamine, and Behavior
Oxytocin’s Role in Social Bonding
Growth Hormones and Aging Behavior
Insulin and Behavior: Beyond Metabolic Regulation

Cell Biology Topics to Research

Unraveling the Mysteries of Mitochondrial DNA
Decoding the Language of Cell Signaling
Cellular Mechanisms in Autophagy
Exploring the Intricacies of Cell Death: Apoptosis vs. Necroptosis
Understanding Mechanotransduction: How Cells Sense Mechanical Stress
Navigating the Maze of the Cell Cycle: Checkpoints, Progression, and Control
Molecular Choreography of Chromosome Segregation
Epigenetic Modifications and Cellular Memory
Unpacking the Secrets of the Nucleolus
The Curious Life of Lysosomes: Beyond Waste Management
Enigmatic Endoplasmic Reticulum: Functions and Pathways
Cellular Journey: Endocytosis and Exocytosis Mechanisms
Wnt Signaling Pathway: Critical Regulator of Cell Fate
Deciphering the Role of Actin in Cell Motility
Delving Into the World of Nuclear Pore Complexes
Investigating the Role of Golgi Apparatus in Protein Trafficking
Unfolding the Mystery of Protein Folding in Cells
Dissecting the Details of the DNA Replication Process
Uncovering the Dynamic World of Cytoskeleton

Molecular Biology Research Topics

Decoding the Language of RNA Splicing
Unraveling Introns and Exons: The Puzzle of Gene Expression
Translation Process: Uncovering Ribosome Secrets
Diving Into Telomeres: Maintaining Genomic Integrity
Long Non-Coding RNAs: Genomic Dark Matter Illuminated
Genome Organization: A Peek Into Chromatin Architecture
Understanding DNA Methylation and Its Implications
MicroRNAs: Small Molecules, Big Functions
Transposable Elements: Jumping Genes and Genome Evolution
Unveiling the Mystery of DNA Repair Mechanisms
Revisiting the Central Dogma: From DNA to Protein
RNA Interference: The Silence of Genes
Mechanisms and Models of Genetic Recombination
Unraveling the World of Quorum Sensing in Bacteria
Understanding the Intricacies of Signal Transduction
Post-Translational Modifications: The Final Touch in Protein Synthesis
Decoding the Processes of Protein Degradation
Nuclear-Cytoplasmic Transport: Moving Molecules Across the Cell
Unpacking the Enigma of Prions: Infectious Proteins

Plant Pathology Research Topics

Unraveling Plant-Virus Interactions: A Molecular Approach
Plant Defense Mechanisms Against Pathogenic Bacteria
Decoding Fungal Pathogenesis in Crops
Molecular Insights Into Plant-Insect Interactions
Nematodes and Plant Health: A Detailed Study
Signaling Pathways Involved in Plant Immunity
Phytoplasma-Plant Interactions: Understanding the Pathogenesis
Biocontrol Agents in Combating Plant Diseases
Mechanisms of Plant Resistance to Fungal Pathogens
Exploring the World of Oomycetes: Plant Destroyers
Host Specificity in Plant Pathogens: A Deep Dive
Unraveling the Mystery of Mycotoxins in Plants
Plant Proteases and Their Function in Disease Resistance
RNA Silencing in Plants: Defense Against Viruses
Plant Pathogenic Bacteria: Unveiling the Mode of Infection
Phytoalexins: A Key Player in Plant Immunity
Deciphering the Role of Plant Hormones in Disease Resistance
Emerging Diseases in Crop Plants: A Global Overview
Studying the Influence of Climate Change on Plant Diseases

Ecology Research Topics

Understanding Species Interactions and Ecosystem Dynamics
Climate Change and Biodiversity Loss: A Comparative Study
Interplay Between Microbial Communities and Ecosystem Processes
Invasive Species and Ecosystem Disruption: A Closer Look
Sustainable Agricultural Practices and Their Effect on Ecosystem Health
Examining Trophic Cascades in Aquatic and Terrestrial Ecosystems
Biomonitoring and Its Significance in Conservation Biology
Endangered Species Protection: Investigating Successful Strategies
Biosphere Reserves and Their Contribution to Ecosystem Stability
Fire Ecology: Unraveling the Effects of Wildfires on Ecosystems
Marine Protected Areas and Their Significance in Ocean Health
Exploring Ecosystem Services: From Pollination to Carbon Sequestration
Landscape Ecology: Understanding Land Use Changes and Biodiversity
Ecology of Urban Environments: Challenges and Solutions
Ecological Succession: Understanding Changes in Ecosystem Over Time
Fragmentation of Habitats: Causes, Effects, and Mitigation Strategies
Pollution Ecology: Tracing the Effects of Contaminants on Ecosystems
Ecology of Zoonotic Diseases: From Wildlife to Humans
Alpine Ecosystems: A Study in Climate Sensitivity and Adaptation

Marine Biology Research Topics

Exploring Deep-Sea Biodiversity and Its Conservation
Conservation Strategies for Marine Protected Areas
Understanding Coral Reef Dynamics and Resilience
Ocean Acidification: Causes and Effects on Marine Life
Cetacean Behavior and Communication Systems
Unraveling Mysteries of Marine Bioluminescence
Marine Biofouling: Understanding the Mechanisms and Finding Solutions
Investigating Plastic Pollution in the Oceans: From Microplastics to Ghost Nets
Jellyfish Blooms: Causes, Consequences, and Controls
Assessing the Threats to Seagrass Meadows
Understanding the Ecology of Hydrothermal Vents
Shark Conservation: Challenges and Opportunities
Effects of Sonar and Noise Pollution on Marine Mammals
Marine Microplastics: Their Role in the Marine Food Web
Invasive Marine Species: Mechanisms and Management
Deep Sea Mining: Ecological Consequences and Mitigation
Marine Parasites: Life Cycles, Host Interactions, and Ecology
Exploring the Ecology of Mangrove Ecosystems
Unraveling the Secrets of Marine Symbiotic Relationships
Decoding the Language of Dolphin Communication

History of Biology Research Topics

Understanding Linnaeus: His Contribution to Biological Classification
From Alchemy to Biochemistry: Tracing the Historical Path
Decoding the Double Helix: Discovery of DNA Structure
Voyage of HMS Beagle: Darwin’s Journey and Its Implications
Development of Modern Microscopy and Its Influence on Cell Theory
Louis Pasteur and the Fight Against Infectious Diseases
Fleming’s Accidental Discovery: The Advent of Antibiotics
Mendel’s Peas: The Birth of Genetics
In the Footsteps of Gregor Mendel: The Expansion of Genetic Studies
Exploring the Origins of Molecular Biology
History of Biotechnology: From Yeast Fermentation to Genetic Engineering
Dolly the Sheep: A Historical Perspective on Cloning
Biological Warfare: An Analysis From Ancient Times to Modern Day
From Eugenics to Modern Genetics: A Controversial History
Endosymbiotic Theory: Tracing the Origins of Mitochondria and Chloroplasts
Nobel Prizes in Biology: Insights Into Scientific Progress
Understanding the History of Genetic Engineering
Vaccination: A Historical Perspective From Smallpox to Covid-19
Unraveling the Human Genome Project: A Historical Approach
Rosalind Franklin and the Unseen Contributions of Women in Biology

Animals Biology Research Topics

Comparative Analysis of Neural Networks in Echolocating Bats and Dolphins
Potential Applications of Biofluorescence in Marine Organisms
Genomic Adaptations in High Altitude Birds: A Deep Dive
Microbiome Influence on Mammalian Health and Behavior
Biodiversity Conservation Strategies in Tropical Rainforests
Understanding Bioluminescence: From Fireflies to Deep Sea Creatures
Climate Change Effects on Polar Bear Migration Patterns
Metabolic Flexibility in Hibernating Mammals
Intricate Courtship Behaviors of Birds of Paradise
Survival Strategies of Desert Dwelling Species
Behavioral Plasticity in Social Insects
Species Survival in the Midst of Habitat Fragmentation
Exploring Symbiosis: Coral Reefs and Their Resident Microorganisms
Adaptation Mechanisms of Alpine Flora and Fauna
Communication Strategies among Cephalopods
Antarctic Krill: A Keystone Species in a Changing Environment
Tracking Migration: Navigational Abilities of Monarch Butterflies
Investigating Tool Use in Cetaceans
Molecular Mechanisms Behind Poison Production in Venomous Creatures

Zoology Research Topics

Animal Camouflage: Unraveling the Mechanisms Behind Crypsis
Conservation Strategies for Endangered Amphibian Populations
Dynamics of Social Hierarchies in Primate Groups
Mechanisms of Venom Production in Conus Snails
Assessing Biodiversity in Deep Sea Ecosystems
Nutrient Cycling in Detritivore Communities
Signal Transduction in Echolocating Mammals
Flight Adaptations in Migratory Bird Species
Uncovering the Secrets of Bioluminescence in Cnidarians
Hibernation Patterns in Arctic Mammals
Endocrine Disruption in Aquatic Invertebrates
Territorial Behavior among Canine Species
Parasite-Host Interactions in Marine Ecosystems
Predator-Prey Dynamics in Savannah Ecosystems
Investigating Cooperative Behavior in Social Insects
Adaptations of High-Altitude Wildlife to Hypoxia
Understanding Reproductive Strategies in Coral Reefs
Deciphering Communication Systems in Cetaceans
Conservation Challenges for Island Endemics
Complexities of Mating Systems in Arachnids

Botany Research Topics

Plant Defenses Against Herbivory: Chemical Warfare in the Plant Kingdom
Molecular Mechanisms of Drought Resistance in Succulents
Circadian Rhythms in Photosynthesis: A Closer Look
Biotechnological Approaches to Improve Crop Yield
Signals and Responses: Understanding Plant Hormones
Mycorrhizal Networks: Unseen Interactions in the Plant World
Genetic Biodiversity in Ancient Tree Species
Plant-Pollinator Relationships in Tropical Rainforests
Ecophysiology of Desert Flora: Surviving Extreme Conditions
Harnessing the Power of Algae: Biofuel Potential and Challenges
Investigating Disease Resistance in Commercially Important Crops
Exploring Chemical Communication in Plant Communities
Strategies for Invasive Plant Species Management
Understanding the Molecular Basis of Phototropism
Cyanobacteria and Nutrient Cycling in Aquatic Ecosystems
Unraveling the Genetic Basis of Plant Longevity
Biotic and Abiotic Stress Responses in Forest Trees
Applications of Plant Tissue Culture in Agriculture
Alpine Plant Adaptations: Surviving at High Altitudes

Developmental Biology Research Topics

Organogenesis: Tracing the Formation of Complex Structures in Mammals
Decoding the Mysteries of Axolotl Regeneration
Mechanisms of Early Embryonic Patterning in Drosophila
Epigenetic Regulation in Mammalian Neural Development
Investigating the Molecular Basis of Morphogenesis in Zebrafish
Neural Crest Cells: Pioneers in Vertebrate Development
Embryonic Development and Metamorphosis in Amphibians
Cell Fate Determination During Gastrulation
Signaling Pathways Involved in Limb Development
MicroRNAs in the Control of Cell Differentiation
Sex Determination Mechanisms in Reptiles
Axonal Guidance: Exploring Molecular Mechanisms
Intricate Choreography of Cell Movements in Gastrulation
Epigenetic Influence on Stem Cell Potency
Somitogenesis: Segmentation in Early Vertebrate Development
Imprinted Genes in Mammalian Development
Unraveling the Mechanisms of Asymmetric Cell Division
Molecular Regulation of Cardiac Development
Genetic Control of Eye Development in Drosophila
Exploring the Basis of Cellular Plasticity During Development

Environmental Biology Research Topics

Assessing Biodiversity in Freshwater Ecosystems: Challenges and Approaches
Climate Change and Species Distribution: Anticipating Shifts
Understanding the Persistence of Keystone Species in Urban Environments
Effects of Ocean Acidification on Marine Life
Soil Microbiome Composition and Its Influence on Plant Health
Plastic Pollution in Marine Ecosystems: Assessing the Scale
Phytoplankton Productivity in Response to Changing Sea Surface Temperatures
Mechanisms of Survival in Extreme Environments: Studying Extremophiles
Forest Fires and Ecosystem Recovery: A Holistic View
Air Pollution Effects on Lichen Diversity and Distribution
Ecological Consequences of Invasive Species: Case Studies
Bioindicators in Monitoring Environmental Health: A Comprehensive Analysis
Conservation Priorities in Biodiversity Hotspots
Ecotoxicology: Assessing the Effects of Pollutants on Wildlife
Dynamics of Algal Blooms in Response to Nutrient Loading
Adaptation Strategies of Arctic Wildlife to Climate Change
Tracking the Movement of Pollutants in Aquatic Food Webs
Endocrine Disruptors in the Environment: Sources and Effects
Mangrove Ecosystems in the Face of Sea-Level Rise

Abortion Biology Research Topics

Deciphering Molecular Mechanisms Underlying Spontaneous Abortion
Influence of Maternal Stress Hormones on Early Pregnancy Outcomes
Understanding the Etiology of Recurrent Miscarriage
Immunological Aspects of Pregnancy and Abortion: An Interplay
Investigating Genetic Abnormalities in Cases of Spontaneous Abortion
Endocrine Disruptors and Pregnancy Outcomes: A Complex Relationship
Nutritional Factors Affecting Pregnancy Viability
Pathophysiology of Ectopic Pregnancy
Correlation Between Age and Miscarriage: Unraveling the Underlying Causes
Exploring the Intersection of Infections and Pregnancy Outcomes
Autoimmune Disorders and Their Influence on Pregnancy Termination
Epigenetic Modifications and Pregnancy Loss: An Uncharted Territory
Embryo Implantation Failure: Causes and Potential Interventions
Investigating the Role of Antiphospholipid Syndrome in Miscarriage
Assessing the Influence of Environmental Toxins on Pregnancy Outcomes
Cellular Mechanisms of Embryo Rejection
Physiological Responses to Termination of Pregnancy
Effects of Chronic Diseases on Pregnancy Outcomes
Understanding Fetal Development in High-Risk Pregnancies
Pathological Examination of Miscarriage: Advancements and Challenges

Recent Research Topics in Biotechnology

Precision Genome Editing: CRISPR and Beyond
Harnessing the Power of Microbial Factories for Biofuel Production
Exploring Cellular Agriculture: Lab-Grown Meat and Its Implications
Unraveling the Potential of Stem Cells in Regenerative Medicine
Advancements in Plant Genomics for Sustainable Agriculture
Nanotechnology in Drug Delivery Systems: Current Developments
Protein Engineering for Biotherapeutic Applications
Bioinformatics in Personalized Medicine: Opportunities and Challenges
Decoding the Microbiome: Health, Disease, and Biotechnological Applications
Synthetic Biology: Designing Biological Systems for Industrial Applications
Neuroengineering: Interfacing Electronics with the Brain
Biotechnology in Waste Management: Toward a Circular Economy
Gene Therapy Approaches to Rare Genetic Disorders
Biomaterials in Tissue Engineering: Opportunities and Challenges
Development of Biodegradable Plastics Through Microbial Fermentation
Biosensors for Environmental Monitoring: Emerging Techniques
Biotechnological Strategies for Antimicrobial Resistance
Microbial Biofilms in Industrial Processes: Pros and Cons
CRISPR as a Diagnostic Tool: Current Progress
Application of Biotechnology in Forensic Science: New Frontiers

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Gene variants foretell the biology of future breast cancers in Stanford Medicine study

In a finding that vastly expands the understanding of tumor evolution, researchers discover genetic biomarkers that can predict the breast cancer subtype a patient is likely to develop.

May 30, 2024 - By Krista Conger

Stanford Medicine researchers found that inherited gene sequences can predict what type of breast cancer a patient is likely to develop, along with how aggressive that cancer may be. Emily Moskal

A Stanford Medicine study of thousands of breast cancers has found that the gene sequences we inherit at conception are powerful predictors of the breast cancer type we might develop decades later and how deadly it might be.

The study challenges the dogma that most cancers arise as the result of random mutations that accumulate during our lifetimes. Instead, it points to the active involvement of gene sequences we inherit from our parents — what’s known as your germline genome — in determining whether cells bearing potential cancer-causing mutations are recognized and eliminated by the immune system or skitter under the radar to become nascent cancers.

“Apart from a few highly penetrant genes that confer significant cancer risk, the role of hereditary factors remains poorly understood, and most malignancies are assumed to result from random errors during cell division or bad luck,” said Christina Curtis , PhD, the RZ Cao Professor of Medicine and a professor of genetics and of biomedical data science. “This would imply that tumor initiation is random, but that is not what we observe. Rather, we find that the path to tumor development is constrained by hereditary factors and immunity. This new result unearths a new class of biomarkers to forecast tumor progression and an entirely new way of understanding breast cancer origins.”

Curtis is the senior author of the study, which will be published May 31 in Science . Postdoctoral scholar Kathleen Houlahan , PhD, is the lead author of the research.

“Back in 2015, we had posited that some tumors are ‘born to be bad’ — meaning that their malignant and even metastatic potential is determined early in the disease course,” Curtis said. “We and others have since corroborated this finding across multiple tumors, but these findings cast a whole new light on just how early this happens.”

A new take on cancer’s origin

The study, which gives a nuanced and powerful new understanding of the interplay between newly arisen cancer cells and the immune system, is likely to help researchers and clinicians better predict and combat breast tumors.

Currently, only a few high-profile cancer-associated mutations in genes are regularly used to predict cancers, but these account for a small minority of cases. Those include BRCA1 and BRCA2, which occur in about one of every 500 women and confer an increased risk of breast or ovarian cancer, and rarer mutations in a gene called TP53 that causes a disease called Li Fraumeni syndrome, which predisposes to childhood and adult-onset tumors.

Christina Curtis

The findings suggest there are tens or hundreds of additional gene variants — identifiable in healthy people — that through interactions with the immune system pull the strings that determine why some people remain cancer-free throughout their lives.

“Our findings not only explain which subtype of breast cancer an individual is likely to develop,” Houlahan said, “but they also hint at how aggressive and prone to metastasizing that subtype will be. Beyond that, we speculate that these inherited variants may influence a person’s risk of developing breast cancer. However, future studies will be needed to examine this.”

The genes we inherit from our parents are known as our germline genome. They’re mirrors of our parents’ genetic makeup, and they can vary among people in small ways that give some of us blue eyes, brown hair or type O blood. Some inherited genes include mutations that confer increased cancer risk from the get-go, such as BRCA1, BRCA2 and TP53.

In contrast, most cancer-associated genes are part of what’s known as our somatic genome. As we live our lives, our cells divide and die in the tens of millions. Each time the DNA in a cell is copied, mistakes happen and mutations can accumulate. DNA in tumors is often compared with the germline genomes in blood or normal tissues in an individual to pinpoint which changes likely led to the cell’s cancerous transformation.

Classifying breast cancers

In 2012, Curtis began a deep dive — assisted by machine learning — into the types of somatic mutations that occur in thousands of breast cancers. She was eventually able to categorize the disease into 11 subtypes with varying prognoses and risk of recurrence, finding that four of the 11 groups were significantly more likely to recur even 10 or 20 years after diagnosis — critical information for clinicians making treatment decisions and discussing long-term prognoses with their patients.

Prior studies had shown that people with inherited BRCA1 mutations tend to develop a subtype of breast cancer known as triple negative breast cancer. This correlation implies some behind-the-scenes shenanigans by the germline genome that affects what subtype of breast cancer someone might develop.

“We wanted to understand how inherited DNA might sculpt how a tumor evolves,” Houlahan said. To do so, they took a close look at the immune system.

It’s a quirk of biology that even healthy cells routinely decorate their outer membranes with small chunks of the proteins they have bobbing in their cytoplasm — an outward display that reflects their inner style.

Kathleen Houlahan

The foundations for this display are what’s known as HLA proteins, and they are highly variable among individuals. Like fashion police, immune cells called T cells prowl the body looking for any suspicious or overly flashy bling (called epitopes) that might signal something is amiss inside the cell. A cell infected with a virus will display bits of viral proteins; a sick or cancerous cell will adorn itself with abnormal proteins. These faux pas trigger the T cells to destroy the offenders.

Houlahan and Curtis decided to focus on oncogenes, normal genes that, when mutated, can free a cell from regulatory pathways meant to keep it on the straight and narrow. Often, these mutations take the form of multiple copies of the normal gene, arranged nose to tail along the DNA — the result of a kind of genomic stutter called amplification. Amplifications in specific oncogenes drive different cancer pathways and were used to differentiate one breast cancer subtype from another in Curtis’ original studies.

The importance of bling

The researchers wondered whether highly recognizable epitopes would be more likely to attract T cells’ attention than other, more modest displays (think golf-ball-sized, dangly turquoise earrings versus a simple silver stud). If so, a cell that had inherited a flashy version of an oncogene might be less able to pull off its amplification without alerting the immune system than a cell with a more modest version of the same gene. (One pair of overly gaudy turquoise earrings can be excused; five pairs might cause a patrolling fashionista T cell to switch from tutting to terminating.)

The researchers studied nearly 6,000 breast tumors spanning various stages of disease to learn whether the subtype of each tumor correlated with the patients’ germline oncogene sequences. They found that people who had inherited an oncogene with a high germline epitope burden (read: lots of bling) — and an HLA type that can display that epitope prominently — were significantly less likely to develop breast cancer subtypes in which that oncogene is amplified.

There was a surprise, though. The researchers found that cancers with a large germline epitope burden that manage to escape the roving immune cells early in their development tended to be more aggressive and have a poorer prognosis than their more subdued peers.

“At the early, pre-invasive stage, a high germline epitope burden is protective against cancer,” Houlahan said. “But once it’s been forced to wrestle with the immune system and come up with mechanisms to overcome it, tumors with high germline epitope burden are more aggressive and prone to metastasis. The pattern flips during tumor progression.”

“Basically, there is a tug of war between tumor and immune cells,” Curtis said. “In the preinvasive setting, the nascent tumor may initially be more susceptible to immune surveillance and destruction. Indeed, many tumors are likely eliminated in this manner and go unnoticed. However, the immune system does not always win. Some tumor cells may not be eliminated and those that persist develop ways to evade immune recognition and destruction. Our findings shed light on this opaque process and may inform the optimal timing of therapeutic intervention, as well as how to make an immunologically cold tumor become hot, rendering it more sensitive to therapy.”

The researchers envision a future when the germline genome is used to further stratify the 11 breast cancer subtypes identified by Curtis to guide treatment decisions and improve prognoses and monitoring for recurrence. The study’s findings may also give additional clues in the hunt for personalized cancer immunotherapies and may enable clinicians to one day predict a healthy person’s risk of developing an invasive breast cancer from a simple blood sample.

“We started with a bold hypothesis,” Curtis said. “The field had not thought about tumor origins and evolution in this way. We’re examining other cancers through this new lens of hereditary and acquired factors and tumor-immune co-evolution.”

The study was funded by the National Institutes of Health (grants DP1-CA238296 and U54CA261719), the Canadian Institutes of Health Research and the Chan Zuckerberg Biohub.

About Stanford Medicine

Stanford Medicine is an integrated academic health system comprising the Stanford School of Medicine and adult and pediatric health care delivery systems. Together, they harness the full potential of biomedicine through collaborative research, education and clinical care for patients. For more information, please visit med.stanford.edu .

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