30 Biology Essay Topics

Your essay writing can be really interesting if you select an appropriate topic. You might have awesome writing skills, but a poor topic choice may be the reason for your failure. There are a few factors to consider when choosing the subject matter. First, are you familiar enough with the content addressed by the topic? Secondly, do you have access to resources in regards to your research? You should also consider the degree of interest in the topic of society. It is essential that you take your time in picking the appropriate topic depending on the area you want to research on.

How to Select the Best Biology Essay Topic?

One of the biggest challenges students face in school is when selecting a topic for their essays. Making the decision is in no way the simplest of things, considering the critical role a topic plays in an essay. However, there are several ways you can pick an awesome topic, one that will steer you towards producing a great paper. First, go for a topic that is within your complexity level. Many students make a mistake of choosing complex topics that surpass their capacity and academic level, perhaps to impress the instructor. What happens in such a situation is that a student writes a paper that is without eloquence, shallow in content, and unimpressive. It is better you pick a simple topic that you can tackle exhaustively, giving irrefutable facts and solid arguments. Secondly, pick a topic that captures your attention. Otherwise, you’ll get bored when writing and you won’t be able to give it your best.

On the other hand, when writing on a topic that interests you, all your heart will be in it, and therefore you are likely to do it excellently. Lastly, be on the look for controversial biology-related stories. These are great areas to research on and write your essays as they already interest your readers.


Read more: How to Write a Good Biology Essay


List of Biology Essay Topics

Depending on the specific area you want to research on, whether genetics, neurobiology, the immune system, behavior and hormones or ecology, here are some captivating and interesting topics you can choose. Go for the topic that interests you, and one that you are considerably conversant with so you don’t run out of content to write about.

  • Biochemical cycles in the human body
  • Energy flow in ecosystems
  • Genetics: Functionality of DNA and RNA
  • Similarities and differences between prokaryotic and eukaryotic cells
  • Discussion of the endocrine system
  • Mechanisms of cell aging
  • Polymerase chain reaction
  • Applications of genetic engineering: production of growth hormone
  • Negative effects of antibiotics
  • Analysis linkage about genetic mapping
  • Risk factors associated with infertility
  • Cancer risk factors
  • Effects of aging in regards to infertility
  • Plant stem and its structures
  • Photosynthesis process
  • DNA modification in humans and its implications
  • Hormonal fluctuations during pregnancy
  • Cloning: The moral aspect
  • Climatic change and its impact on biodiversity
  • DNA technology and its application in medical genetics
  • The human nervous system
  • Mutation mechanisms of genes
  • Tissue engineering: Advantages and disadvantages
  • Problems associated with intracellular compartments
  • Therapeutic cloning
  • Negative effects of cell differentiation
  • Molecular biology methods
  • Influence of antibiotics on microbial interactions
  • Infertility treatment: Applications of hormonal analysis
  • Children oncological diseases
  • Symbiosis in parasites
  • Photosynthesis and its functions
  • Influence of hormonal therapy
  • Safety of genetically modified foods
  • Organ transplantation: ethical concerns

Biology Essay Questions

One good thing about sciences is that questions are repeated now and again, and if they are changes, then it’s just a slight twist that has been made on the questions. After reviewing the many biology questions we have come across, below is a list of 10 commonly asked questions we’ve compiled, questions that you are likely to come across in the course of your studies.

  • Methods of protein purification
  • The relationship between genetics and obesity
  • The moral aspect of cloning
  • Genetic disorders
  • Influence of addictive substances on genes
  • The benefits of transgenic crops
  • The influence of hormones of human behavior
  • Endocrine-related diseases
  • Vaccination and associated benefits
  • Quality control of antibiotics

Biology Essay Ideas

Wondering what to talk about in your essay? Below are five essay ideas you can run with. Before picking a topic, check whether you’ve got access to the relevant information, you need to write a comprehensive paper. You can use books, journals and publications, and the internet.

  • Microbial ecology and evolution
  • The essence of homeostasis during pregnancy
  • The essence of osmosis in plants
  • An investigation into genetic grounds for obesity
  • Antibiotic resistance about cell structure

You can also use our reliable biology writing services for your essay. They are dependable and will relieve you the worry of having to choose a topic and writing a quality paper from scratch. Moreover, we have well-versed academic essay writers, so it’s not a matter of chances, you can be certain of getting an excellent paper. Place your order today!