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.

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.

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.

746 Best Essay Examples on Biology

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

  • Words: 1166

Effects of Vinegar on the Germination Rate of Mung Beans Seeds

  • Words: 1750

Bronfenbrenner’s Bioecological System Theory

  • Words: 1827

The Effect of Temperature on Amylase Activity

  • Words: 1293

Ubiquity of Microorganisms

  • Words: 2210

Biology of Grasses: Description and Importance

Anaerobic respiration and its applications.

  • Words: 1274

Browning Reactions Explained

Strawberries history.

  • Words: 1484

Dark or Light Skin: Advantages and Disadvantages

Mung seed germination patterns under varying ph values, seed germination experiment: results and discussion, mitosis and meiosis in onion root tip.

  • Words: 1691

Botany and Taxonomy of the Onion

  • Words: 2414

Lemon, Its Origin and Production

  • Words: 1115

Biology: Analysis of Egg Experiment

Eukaryotic and prokaryotic cells: key differences, similarities and differences of photosynthesis and cellular respiration, pets and people, the insect effect on human life, corn plant’s developmental stages, forensic procedures: hairs and fibres.

  • Words: 2067

Understanding the Effects of Quantity of Light on Plants Growth

  • Words: 1089

Nanobiotechnology, Its Advantages and Disadvantages

A brief discussion of animal and plant cells, seed germination and osmosis.

  • Words: 1127

Osmosis Through a Potato Slice Dipped in Solutions of Varying Concentrations

  • Words: 1075

The Function and Structures of the Human Heart

Vitamin a: description and usage, biology lab report: biodiversity study of lichens, the c-fern plant laboratory experiment.

  • Words: 1101

Consequences of Orange Juice on the Germination of Mung Bean Seeds

The anatomy and physiology of the nervous system of a rat.

  • Words: 1612

A Light Microscope: Function and Usage

The characteristics and importance of nervous system.

  • Words: 1705

Life in the Bottom of the Ocean and Its Protection

  • Words: 1529

How Science Biology Might Help Alleviate Human Suffering

Mitosis in onion root and whitefish blastula, dugesia, a planarian with its peculiar characteristics.

  • Words: 3207

Transpiration Process in Plants

Is earthworm beneficial or harmful to humans, responsible house plant keeping.

  • Words: 2262

Importance of the Brain in Human Body

Characteristics of adult development.

  • Words: 1311

Soil Impact on the Growth of Plants

  • Words: 1227

Cell Organelles, Their Functions, and Disease

  • Words: 1195

Digestion, Absorption and Assembly of Proteins

  • Words: 1456

Description of Mitosis and Meiosis

The digestive system in the human body, a lab report for microbiology class, vision, its structure and function in humans, archaea and bacteria prokaryotes dichotomous keys, the genus rosa’s adaptation to the environment.

  • Words: 1144

Photosynthesis as a Biological Process

A passion flower: properties and story of discovery, marine life in united arab emirates.

  • Words: 1474

How SCOBY Changes Its Environment: Lab Experiment

  • Words: 1214

The Muscular Movement: Pyramidal and Extrapyramidal Motor Systems

Psychophysics: definition & fundamentals.

  • Words: 1606

“The Egg and the Sperm” by Emily Martin Critique

  • Words: 2577

Olfactics and Its Importance for Living Beings

  • Words: 1446

History Of Biotechnology

  • Words: 1908

Basic and Applied Biology: Key Differences

Yeast and the fermentation process, the concept of selective breeding.

  • Words: 2724

How the Human Eye Works Analogous to a Camera

The brain: structure and functions, plant growth and development with music, bird dna extraction: sex determination of gallus gallus.

  • Words: 1109

The Human Cloning Debates

  • Words: 1197

Wildlife Management and Extinction Prevention in Australia

  • Words: 2902

Epithelial Tissue: Structure and Functions

Rabbit muscular system dissection report, ubiquity of bacteria: laboratory activity.

  • Words: 1496

Substrate Concentration and Rate of Enzyme Reactions

  • Words: 1730

Co-Evolution: Angiosperms and Pollinating Animals

Biology. cell analogy – nucleus + nucleolus, differences of domesticated and wild animals and plants, vaquita – endangered species.

  • Words: 1367

Energy Balance and Expenditure

Practical report: determination of a bacteriophage titer, digestive journey of cheeseburger, computational biology as an essential research area, microbial growth and effect of ph on it.

  • Words: 1330

Chlamydia Sexually Transmitted Disease

Cell theory, functions, discoveries, how the skeletal muscles derive the energy for contraction.

  • Words: 1913

Biology: Photosynthesis and Respiration

Cloning of plants at the botanic garden, the effect of habitat disturbance on invertebrate abundance and diversity.

  • Words: 1282

Viruses: Alive or Not From Scientific Perspective

Botany and zoology in the classroom.

  • Words: 1631

Whether or Not Human Cloning Should Be Allowed

  • Words: 1350

Living Things: What Do They Have in Common?

The pomegranate or “punica granatum l.”.

  • Words: 1184

What Enzymes Are and How Do They Work

A study of the brine shrimps and their natural environment.

  • Words: 1937

Microbiology: Zygomycota, Ascomycota and Basidiomycota

The dna extraction procedure: scientific experiment, human biology: nervous, muscle, epithelial and connective tissue, different ecosystems and living things, vertical stratification, ethnobotanical uses of plants.

  • Words: 1938

Introduction to the Nervous System

Venomous snakes: the importance of the antidotes, the human family tree development, the thermoregulation is and its importance, the role of the olive in human history and lives.

  • Words: 1653

Preparation of Polymers and Polymer Modification

Cell creation. basic characteristic of life, microbiology and its role in healthcare, bacteria identification: enterobacter aerogenes.

  • Words: 1096

What Is Mitochondria and What Functions Does It Have

  • Words: 1095

The Physical Self Concept Analysis

Biochemistry: protein translocation types & forms.

  • Words: 1254

Geelong Botanic Garden’s Ecosystem

  • Words: 2506

The Ocean’s Rarest Mammal Vaquita – An Endangered Species

  • Words: 1878

16S and 18S Ribonucleic Acids: The Key Differences

The intricate world of camouflage: lessons from nature and beyond.

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BIOLOGY JUNCTION

BIOLOGY JUNCTION

Test And Quizzes for Biology, Pre-AP, Or AP Biology For Teachers And Students

How to Write a Biology Essay

“The point of the essay is to change things.” – Edward Tufte

Writing a biology essay can be a complex task, requiring not only a deep understanding of the subject but also the ability to present scientific information clearly and effectively. Prepare well and exploit a structured approach to crafting a compelling and well-researched biology text. Some simple steps go from understanding the assignment and conducting detailed research to structuring your essay and incorporating credible sources so that you can reach academic excellence without any complications. For qualitative preparation check out biology essay examples on a trustworthy source and follow the expert instructions to ensure your text meets the high standards of scientific writing.

Use real-world examples and case studies to illustrate your points and demonstrate how they apply to your thesis when writing in Biology.

Understand the Biological Context

You will hardly create any qualitative content unless you clearly understand what you are going to write about. Identify the biological concept or phenomenon that is to be at the center of your writing. If you have any hesitations or your assignment seems ambiguous to you, consult your professor for clarifications or any educational assistant for further directions.

What can help you dive deeper into your biological context is also a literature review. Proceed through a thorough literature review to understand the current state of research on the topic. Look up databases like PubMed, Google Scholar, and institutional libraries.

Formulate a Hypothesis or Research Question

Pass on to generate a hypothesis or research question that is going to be the core of your essay. If your writing involves an experimental or observational study, formulate a clear, testable hypothesis. Develop a specific research question to guide your investigation if it’s a review or analytical essay. So, define the type of your text and formulate its central point respectively for further successful steps.

Conduct Detailed Research and Data Collection

Now that you know your context and your attitude as for the assignment it is time to back it up with the proof. Start with primary sources, covering research articles, original studies, and scientific experiments. When you have enough, pass on to secondary sources, such as review articles, meta-analyses, and books for broader context.

Additionally, biological research allows you to conduct data analysis to strengthen your essay arguments. If the step is relevant to your work, analyze raw data from experiments or existing datasets using statistical methods. Create or refer to graphs, tables, and figures to present data effectively.

Create and Follow a Structured Outline with Scientific Rigor

Sometimes it is very difficult to organize your work properly so that you can finish it on time and produce qualitative content without any delay. So the very next step is to create a structured outline with scientific rigor so that you can stick to it to write a fundamental essay.

● Abstract – if you are required to, begin with an abstract. Provide a concise summary of the essay, including the research question, methods, key findings, and conclusions.

● Introduction – the next step or the primary point when an abstract is not necessary is to write an introduction. For your introduction include detailed background information with references to key studies and findings. Explain the significance of the topic within the field of biology. And don’t forget to state your thesis or hypothesis clearly. The rest of your writing will be tied to it. Be confident you’ve singled out the central idea of your topic and the findings related.

● Methods – if necessary or stated in the assignment, dwell on the methods you’ve exploited when researching and writing. Provide a description of the experimental design, including controls, variables, and procedures. Add the list of materials and equipment used. Explain how data was collected and recorded. This part of the essay will be solid proof of your no-plagiarism work.

● Results – think of the way you are going to display the results of your research and organize them appropriately. Present data in an organizedmanner using figures, tables, and charts. Add statistical tests if used and their outcomes.

● Discussion – remember that you not only have to present the data and evidence you have collected but also analyze and show your attitude to the findings. Interpret the results in the context of the research question or hypothesis. Compare findings with previous studies and discuss similarities and differences. Be open about any limitations in your study or analysis.

● Conclusion – with the analysis of your findings ready, you should summarize your work with a proper conclusion. Dwell on how your findings support or disprove the thesis/hypothesis. Discuss the broader implications of your findings for the field of biology. Suggest areas for further research.

Make an outline and cover it step by step so that you have a logical and strong text in the end. This will help you to get everything important and finish up your essay on time. Usually with a scientific assignment, you don’t need the inspiration to guide you but should have a proper organization of the writing process to assist you. Outlining will be a crucial part of your well-organized work with the essay.

Incorporate Scientific Evidence

Your biological essay will be no more but the words compound together unless you exploit strong scientific evidence to support your arguments. Ensure all references are from peer-reviewed scientific journals or reputable academic sources. Use a consistent citation style (e.g., APA, MLA, Chicago) and include in-text citations and a bibliography to guarantee the genuineness and trustworthiness of your sources and proofs.

Exploit direct quotations sparingly; prefer paraphrasing and summarizing with proper citations. Put the evidence in between your personal conclusions and attitude to the issue you are addressing in your writing. This will display you have processed the question under study deeply and made your own conclusions out of your findings.

Biology essays often include scientific data, diagrams, and graphs. Ensure that these elements are accurately presented and relevant to your argument

Consider Formatting and Technical Details

Scientific essay requires a relevant approach to its formatting and presentation. Use proper scientific nomenclature, italicizing genus and species names (e.g., Homo sapiens). Make sure you exploit standard units of measurement (SI units) and provide conversions if necessary. Define acronyms and abbreviations the first time they are used. Pay attention to these points when proofreading and editing or get someone to help you with a fresh look. A thorough approach and consistency in details will only add to the quality of your essay.

Spend Time on Proofreading and Peer Review

Take care your scientific essay looks appropriate and proves your level of qualification. Proofreading and thorough review will help you create a desirable image for your writing. Check for grammatical errors, scientific accuracy, and clarity. Use apps and tools to optimize and speed up the process. If possible, have your writing reviewed by a peer or mentor in the field for additional feedback. Or reach out to professionals from online services for high-end proofreading and review.

Care about Adherence to Ethical Guidelines

In the age of tolerance, you should also be confident that your essay doesn’t diminish or offend anyone’s rights and position as to your topic under study. Begin with ethical considerations. If your writing involves discussing experiments on humans or animals, ensure it adheres to ethical guidelines and includes necessary approvals. Additionally, avoid plagiarism by properly citing all sources and using original language. Check your text for authenticity with the help of anti-plagiarism tools on the Internet but beware of scams for anyone to steal your work.

Biology Essay Conclusion

Writing a biology essay involves proper planning, thorough research, and attention to detail. Cover some essential measures so that you can craft a well-structured and scientifically sound text that effectively communicates your findings and arguments. Mind the assignment and formulating a hypothesis to presenting data and discussing implications since each element plays a crucial role in the overall quality of your work. Remember to adhere to ethical guidelines, properly cite all sources, and seek feedback from peers or mentors. With these tools and strategies, you’ll be well-equipped to produce a high-quality biology essay that displays your knowledge and analytical skills.

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