60+ New Biology Extended Essay Ideas

Biology is quite interesting. Given the time, you can easily go to the deepest lengths during a biology extended essay. It was my favorite subject in high school. The dopamine that comes with studying the human body (plants too but not as much) was thrilling. 

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For the IB Diploma course you get to write a 4000-word extended essay on a specific topic of your choice. Since you selected biology as one of your preferred subjects then an extended essay on the same would be acceptable. It is also advisable that you write the essay on a discipline you wish to major in your university. So you should do a Biology extended essay if you’re planning to do Medical Studies, Computer Science for IT, and Art for Creative Studies.

As for Biology enthusiasts, this blog is about compiling a list of topics you would work on for your biology Extended Essay. A secret spice- pick several of these topics that relate and merge them so you have more content. Of course you should be as specific as possible, but don’t rule out other angles for one topic.

Here is the list of over 50 topics in Biology extended essay.

60+ Biology Extended Essay Topics

1. Investigating the impact of different fertilizers on plant growth.
2. Analyzing the effects of pollution on aquatic ecosystems.
3. Studying the genetics of a rare inherited disease.
4. Investigating the role of hormones in human behavior.
5. Examining the impact of climate change on a specific species of wildlife.
6. Analyzing the effectiveness of natural remedies in treating common illnesses.
7. Investigating the biodiversity of a specific ecosystem.
8. Studying the relationship between diet and the prevalence of obesity in a specific population.
9. Analyzing the effects of radiation on DNA mutations.
10. Investigating the role of bacteria in soil health.
11. Studying the adaptation of plants to different environmental conditions.
12. Analyzing the impact of pesticides on bee populations.
13. Investigating the genetics of cancer susceptibility.
14. Studying the evolution of antibiotic resistance in bacteria.
15. Analyzing the effects of different diets on gut microbiota.
16. Investigating the role of genetics in human intelligence.
17. Studying the impact of ocean acidification on marine life.
18. Analyzing the effects of sleep deprivation on cognitive function.
19. Investigating the genetics of a particular inherited trait in a family.
20. Studying the effects of a specific drug on the human body.
21. Analyzing the relationship between stress and the immune system.
22. Investigating the impact of different types of exercise on cardiovascular health.
23. Studying the genetics of a particular plant species.
24. Analyzing the effects of pollution on lung health in a specific urban area.
25. Investigating the role of epigenetics in gene expression.
26. Studying the effects of a specific herbicide on crop growth.
27. Analyzing the genetics of a particular endangered species.
28. Investigating the impact of climate change on coral reefs.
29. Studying the role of neurotransmitters in mental health disorders.
30. Analyzing the effects of a specific food additive on human health.
31. Investigating the genetics of a specific autoimmune disease.
32. Studying the effects of light pollution on nocturnal animals.
33. Analyzing the impact of invasive species on native ecosystems.
34. Investigating the role of genetics in longevity.
35. Studying the effects of air pollution on respiratory health.
36. Analyzing the genetics of a particular plant’s resistance to pests.
37. Investigating the impact of temperature on enzyme activity.
38. Studying the role of genetics in the spread of infectious diseases.
39. Analyzing the effects of a specific chemical on aquatic life.
40. Investigating the genetics of a particular neurological disorder.
41. Studying the impact of habitat loss on a specific species.
42. Analyzing the role of microbiota in human digestion.
43. Investigating the effects of music on brain activity.
44. Studying the genetics of a specific rare animal trait.
45. Analyzing the impact of a specific environmental toxin on wildlife.
46. Investigating the role of genetics in the development of drug resistance in viruses.
47. Studying the effects of different diets on blood sugar levels.
48. Analyzing the genetics of a specific plant’s ability to survive in harsh environments.
49. Investigating the impact of light exposure on circadian rhythms.
50. Studying the role of genetics in the development of autoimmune diseases.
51. Investigating the effects of pollution on the behavior of urban birds.
52. Studying the genetics of taste perception and food preferences in humans.
53. Analyzing the impact of climate change on the migration patterns of birds.
54. Investigating the role of microorganisms in bioremediation of contaminated soils.
55. Studying the effects of different wavelengths of light on plant growth.
56. Analyzing the genetics of antibiotic production in bacteria.
57. Investigating the impact of water quality on amphibian populations.
58. Studying the role of genetics in the development of drug-resistant tuberculosis.
59. Analyzing the effects of temperature fluctuations on insect populations.
60. Investigating the genetics of color variation in a specific animal species.
61. Studying the impact of artificial sweeteners on insulin sensitivity in humans.
62. Analyzing the role of genetics in the development of autoimmune thyroid diseases.
63. Investigating the effects of microplastics on aquatic ecosystems.
64. Studying the genetics of circadian rhythms in different animal species.

Tips for handling your Biology Extended Essay

• Settle conclusively on a single topic. Research widely to eliminate all doubts about your topic. Changing your topic half-way will waste too much of your time.
• Write an outline. It is common knowledge that lengthy works like an EE require a guiding outline beforehand. Plan for everything you will write in the introduction, body, and conclusion.
• Seek clarification on instructions. IB is a strict institution, and they require you to follow the indicated instructions. 
• Seek guidance from your supervisor. Usually you are assigned a supervisor by IB to guide you through your EE. Make them your friend and interact to ask questions any chance you get. 
• Call us. A 4000-word extended essay is not a joke. Despite loving the subject you might still end up exhausted before completing your biology extended essay. We want you to maintain high quality all the way.

That is why we offer to help you every step of the way: complete your biology extended essay from where you left, answer questions on the IB Diploma curriculum, or write your essay altogether from scratch.

Our A-level tutors are on the standby to help you achieve excellence in your IB studies. You only have to ask.

 

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