150 Best Advanced Higher Biology Project Ideas

Biology is an exciting subject that helps us understand the amazing world of living organisms. If you are studying Advanced Higher Biology, you may need to work on a research project to show your skills and knowledge. Choosing the right project can make a big difference in how much you enjoy the process and how much you learn.

With so many topics in biology, from genetics to ecology, finding the perfect idea might feel overwhelming. That’s why we’ve compiled a list of 150 Advanced Higher Biology Project Ideas to inspire you. Whether you love plants, animals, or microbiology, there’s something here for everyone. Let’s explore these fantastic ideas and help you kickstart your project!

Also read: Grade 12 Quantitative Research Topics for Senior High School Students in the Philippines

150 Best Advanced Higher Biology Project Ideas

1. Investigating the Effect of Light Intensity on Photosynthesis
2. Studying Antibiotic Resistance in Bacteria
3. The Role of Enzymes in Breaking Down Starch
4. The Impact of Different Soil Types on Plant Growth
5. Exploring Genetic Variations in Fruit Flies
6. How pH Affects Enzyme Activity
7. The Effect of Temperature on the Respiration Rate of Yeast
8. Investigating the Impact of Pollutants on Aquatic Life
9. The Role of Microorganisms in Decomposing Organic Matter
10. Studying Plant Responses to Touch (Thigmotropism)
11. The Impact of Salinity on Seed Germination
12. How Caffeine Affects Heart Rate in Daphnia
13. Exploring the Genetics of Eye Color in Humans
14. The Effects of Acid Rain on Plant Growth
15. The Impact of UV Light on Bacterial Growth
16. Studying Algal Blooms and Water Quality
17. The Role of Mycorrhizal Fungi in Plant Health
18. How Exercise Affects Heart Rate and Recovery Time
19. The Effects of Temperature on Fish Metabolism
20. Exploring the Role of Antioxidants in Preventing Cell Damage
21. The Impact of Pollution on Coral Reefs
22. Studying the Behavior of Ant Colonies
23. The Role of Bees in Pollination
24. Investigating Plant Growth Under Artificial Light
25. The Effect of Hormones on Plant Growth
26. How Different Diets Affect the Gut Microbiome
27. Studying Genetic Mutations in Plants
28. The Role of Osmosis in Plant Cells
29. How Bacteria Break Down Plastic Waste
30. The Effect of Water Quality on Amphibians
31. Exploring the Impact of Habitat Loss on Biodiversity
32. Studying the Effects of Pesticides on Bees
33. How Temperature Affects Enzyme Activity in the Human Body
34. The Role of DNA in Heredity
35. Investigating the Genetics of Height in Families
36. The Effect of Sound on Plant Growth
37. The Impact of Deforestation on Soil Quality
38. Exploring the Role of Stem Cells in Regeneration
39. Studying the Relationship Between Diet and Cholesterol
40. The Effect of Salinity on Aquatic Plants
41. How Pollution Affects Plant Photosynthesis
42. The Role of Probiotics in Digestive Health
43. Exploring Genetic Engineering in Agriculture
44. Studying the Behavior of Insects in Different Light Conditions
45. The Effect of Stress on Human Health
46. How Sleep Deprivation Affects Memory
47. The Impact of Plastic Pollution on Marine Life
48. Investigating the Role of Photosynthetic Bacteria
49. The Effects of Drought on Plant Growth
50. How pH Affects Aquatic Ecosystems
51. Studying the Impact of Climate Change on Migration Patterns
52. The Role of Nutrient Cycles in Ecosystems
53. Exploring the Genetics of Blood Types
54. The Effect of UV Light on Skin Cells
55. How Pollution Affects Food Chains
56. The Role of Hormones in Human Growth
57. Studying the Impact of Noise Pollution on Wildlife
58. The Effect of Fertilizers on Algal Growth
59. How Diet Affects Blood Sugar Levels
60. The Role of Biodiversity in Ecosystem Stability
61. Investigating the Behavior of Birds During Nesting Season
62. The Effects of Invasive Species on Native Plants
63. How Light Wavelengths Affect Plant Growth
64. The Role of Genetic Counseling in Disease Prevention
65. Studying the Effects of Microplastics on Aquatic Animals
66. The Impact of Soil Erosion on Plant Life
67. How Environmental Factors Affect Seed Dispersal
68. The Role of Vaccines in Preventing Diseases
69. Exploring the Effects of Antibiotics on Gut Health
70. The Effect of Temperature on Reptile Gender Ratios
71. How Hormones Control Human Reproduction
72. The Role of Wetlands in Carbon Storage
73. Studying Plant Adaptations in Harsh Environments
74. The Effects of Exercise on Lung Capacity
75. How Infections Spread in Populations
76. The Impact of Diet on Bone Health
77. Exploring the Role of Genes in Cancer
78. The Effect of Parasites on Animal Health
79. How Marine Ecosystems Are Affected by Oil Spills
80. The Role of Photosynthesis in Oxygen Production
81. Studying the Genetics of Animal Coat Colors
82. The Effects of Habitat Fragmentation on Wildlife
83. How Water Scarcity Affects Plant Physiology
84. The Role of Hormones in Stress Responses
85. Exploring the Impact of Ocean Acidification
86. How Nutrient Deficiencies Affect Human Health
87. The Effects of Pesticides on Soil Microorganisms
88. Studying Animal Behavior in Changing Habitats
89. The Role of Genetic Variation in Evolution
90. How Infections Trigger Immune Responses
91. The Impact of Overfishing on Marine Ecosystems
92. How Bacteria Aid in Digestion
93. The Role of Natural Selection in Animal Adaptation
94. Exploring the Impact of Extreme Weather on Plants
95. The Effects of Water Pollution on Fish Reproduction
96. How Enzyme Inhibitors Work
97. The Role of Pollinators in Food Production
98. Investigating the Role of DNA Sequencing
99. How Aging Affects Cellular Function
100. The Effects of Greenhouse Gases on Plant Physiology
101. How Climate Affects Biodiversity in Rainforests
102. The Impact of Microgravity on Plant Growth
103. Exploring Genetic Mutations in Human Populations
104. The Effects of Algal Blooms on Marine Ecosystems
105. How Brain Activity Changes During Learning
106. The Role of Mitochondria in Cellular Respiration
107. Studying Plant Hormones in Response to Stress
108. The Impact of Farming on Local Biodiversity
109. How Food Storage Affects Nutrient Levels
110. The Effects of Temperature Changes on Hibernating Animals
111. Exploring Genetic Markers for Diseases
112. How Climate Change Impacts Ocean Currents
113. The Role of DNA in Protein Synthesis
114. Investigating How Plants Communicate Chemically
115. The Effects of Urbanization on Bird Populations
116. How Bioluminescence Works in Marine Organisms
117. The Role of Antioxidants in Slowing Aging
118. Exploring the Effects of Global Warming on Arctic Animals
119. How Gut Bacteria Affect Mental Health
120. The Impact of Ecotourism on Conservation Efforts
121. The Effects of Soil Nutrients on Crop Yields
122. How Plant-Based Diets Affect Health
123. Exploring the Role of RNA in Gene Regulation
124. The Effects of Land Use Changes on Wildlife Corridors
125. How Seasonal Changes Impact Migration
126. The Role of Genetics in Human Traits
127. How Parasitic Plants Affect Their Hosts
128. Investigating the Link Between Diet and Inflammation
129. The Effects of Deforestation on Carbon Cycles
130. How Stress Affects Plant Reproduction
131. The Role of Epigenetics in Human Development
132. Exploring the Genetics of Flower Color
133. How Climate Change Impacts Coastal Ecosystems
134. The Effects of Air Pollution on Photosynthesis
135. How Viruses Adapt to Hosts
136. The Role of Genetic Engineering in Medicine
137. How Coral Reefs Respond to Rising Temperatures
138. The Impact of Nitrogen Runoff on Aquatic Plants
139. How Plants Protect Themselves from Herbivores
140. Exploring Genetic Testing in Agriculture
141. The Role of Keystone Species in Ecosystems
142. How Temperature Affects Seed Germination Rates
143. The Effects of Human Activity on Food Webs
144. Investigating How DNA Damage Leads to Aging
145. The Role of Algae in Biofuel Production
146. How Changes in Rainfall Patterns Affect Crops
147. The Effects of Urban Heat Islands on Plants
148. Exploring How Parasites Evolve to Avoid Detection
149. How Artificial Reefs Impact Marine Biodiversity
150. The Role of CRISPR Technology in Genetic Research

Conclusion

Choosing the right biology project idea can make your research journey exciting and rewarding. These 150 Advanced Higher Biology Project Ideas are designed to spark your curiosity and help you dive into a topic that fascinates you.

Whether you’re interested in genetics, ecology, or human health, there’s a project here for you. Remember to plan carefully, conduct thorough research, and enjoy the process of discovery. Good luck!