Advanced Higher Biology Project Ideas

Biology is the study of life, and it’s one of the most exciting fields you can explore in school. Advanced higher biology projects give students a chance to dig deeper into complex topics, learn new research skills, and get hands-on experience with science. Finding a project that really interests you is important because it will make the work more enjoyable.

Whether you want to study plants, animals, genetics, or environmental issues, there’s something here for everyone. Here’s a list of 150+ advanced biology project ideas to spark your curiosity and help you find a topic that you’ll be excited to explore. Each idea is explained in a simple line to get you started!

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150+ Advanced Higher Biology Project Ideas

  1. Plant Growth in Different Soils
  2. Effects of Light on Photosynthesis
  3. Antibiotic Resistance in Bacteria
  4. Water Pollution and Fish Health
  5. Enzyme Activity and Temperature
  6. Genetic Variation in a Plant Species
  7. The Role of pH in Plant Growth
  8. Heart Rate and Exercise
  9. Effect of Caffeine on Reaction Time
  10. Animal Behavior and Environment
  11. Air Quality and Plant Growth
  12. Water Temperature and Fish Respiration
  13. Yeast Respiration Rates
  14. Effects of Light on Sleep Patterns
  15. Biodiversity in Urban vs. Rural Areas
  16. Decomposition Rates of Organic Material
  17. Seed Germination and Temperature
  18. Gut Microbiome and Diet
  19. The Impact of Music on Plant Growth
  20. Fruit Ripening and Ethylene Gas
  21. Bacterial Growth on Different Surfaces
  22. Vitamin C Levels in Fruits Over Time
  23. The Effect of Salt on Plant Growth
  24. Photosynthesis and Carbon Dioxide Levels
  25. Effect of Temperature on Blood Pressure
  26. Effectiveness of Natural Antiseptics
  27. Pollinator Behavior with Different Flowers
  28. Blood Type and Disease Susceptibility
  29. Fish Behavior in Artificial Light
  30. Soil Moisture and Root Growth
  31. Water Hardness and Plant Growth
  32. Muscle Fatigue and Rest Periods
  33. Effect of Antibiotics on Gut Flora
  34. Photosynthetic Rate in Different Plants
  35. Oxygen Levels and Aquatic Plant Health
  36. Impact of Soil Nutrients on Plant Color
  37. Effect of Pollution on Freshwater Organisms
  38. Symbiotic Relationships in Coral Reefs
  39. pH Levels in the Human Digestive System
  40. Fruit Fly Behavior in Response to Sugar
  41. The Role of Gut Bacteria in Digestion
  42. The Effect of Sunscreen on Marine Life
  43. Flower Color and Pollinator Attraction
  44. The Spread of Algae in Nutrient-Rich Waters
  45. Plant Growth in Hydroponics vs. Soil
  46. Effect of Carbonated Beverages on Teeth
  47. Insect Adaptations to Climate
  48. Fungi Growth on Different Foods
  49. Heart Rate Variability with Music Genres
  50. Effect of Sugar on Yeast Growth
  51. Leaf Surface Area and Photosynthesis
  52. Microplastic Pollution in Water
  53. Impact of Light Exposure on Mold Growth
  54. Plant Resistance to Herbicides
  55. Studying Cancer Cell Growth
  56. Antibiotic Effects on Microorganisms in Soil
  57. Stem Cell Differentiation
  58. Effect of Saltwater on Seed Germination
  59. Ecosystem Recovery After Fire
  60. Genetic Mutations in Fruit Flies
  61. Temperature and Bacterial Growth
  62. Soil Erosion and Plant Life
  63. Impacts of Climate Change on Plant Growth
  64. Impact of Pesticides on Insects
  65. Circadian Rhythms in Plants
  66. Plant Leaf Shape and Sunlight Absorption
  67. Effects of Artificial Fertilizers on Soil Microorganisms
  68. Study of Tapeworm Infections
  69. Analysis of Fish Migration Patterns
  70. Plant Adaptations in Arid Regions
  71. Impact of Sugar on Tooth Decay
  72. Invertebrate Behavior in Response to Light
  73. Nitrogen Levels in Soil and Plant Health
  74. Cell Membrane Permeability
  75. Plant Growth in Different Water Conditions
  76. Fermentation Rates in Yeast
  77. Plant Disease Resistance
  78. Fish Growth in Varied Water Salinity
  79. Human Reaction to Temperature Changes
  80. Comparative Study of Plant Nutrient Absorption
  81. Symbiosis in Lichen
  82. Fruit Ripening and Temperature
  83. Genetics of Human Blood Types
  84. Algal Blooms and Water Quality
  85. Impact of Smoking on Lung Function
  86. Bacteria Growth on Common Surfaces
  87. Muscle Strength and Protein Intake
  88. Effect of Oil Spills on Marine Life
  89. Impact of Light Wavelengths on Plant Growth
  90. Biodiversity in Local Ecosystems
  91. Analysis of Microbes in Food Products
  92. Fermentation and Alcohol Production
  93. Aging and Cell Regeneration
  94. Study of Drought-Resistant Crops
  95. Impact of Organic vs. Chemical Fertilizers
  96. DNA Extraction from Fruits
  97. Study of Asexual Reproduction in Plants
  98. The Effect of Carbon Dioxide on Blood pH
  99. Temperature’s Effect on Enzyme Reactions
  100. Ecosystem Balance in Aquatic Environments
  101. Protein Structure Analysis
  102. Food Preservatives and Bacterial Growth
  103. Mating Behavior in Insects
  104. Photosynthetic Efficiency in Shade Plants
  105. Temperature Impact on Bacterial Resistance
  106. Water Uptake in Different Soil Types
  107. Comparative Study of Leaf Stomata
  108. Bioluminescence in Marine Organisms
  109. Effect of Acids on Plant Cells
  110. Human Circadian Rhythms and Light Exposure
  111. Plant Height Variability by Species
  112. The Role of Mitochondria in Energy Production
  113. Study of Seed Dispersal Mechanisms
  114. The Role of Enzymes in Digestion
  115. Evolution of Antibiotic-Resistant Bacteria
  116. Microbial Communities in Composting
  117. Leaf Pigmentation and Seasonal Changes
  118. Effects of Diet on Cholesterol Levels
  119. Analysis of Crop Yields Under Different Conditions
  120. Effects of Plastic on Marine Life
  121. Water Scarcity and Plant Survival
  122. Role of Fungi in Decomposition
  123. Animal Migration and Climate Change
  124. Analysis of Probiotics on Gut Health
  125. Study of Leaf Chromatography
  126. Impact of Water pH on Fish Development
  127. Cell Division in Cancerous Cells
  128. Photosynthesis in Different Climate Zones
  129. Cellular Responses to UV Radiation
  130. Analysis of Bacterial Biofilms
  131. Study of Predator-Prey Relationships
  132. Plant Hormones and Growth Patterns
  133. Effect of Pollutants on Coral Reefs
  134. Study of Yeast Metabolism
  135. Adaptation Mechanisms in Desert Plants
  136. Immunology of Autoimmune Diseases
  137. Photosynthetic Pathways in Plants
  138. The Role of Fats in Cell Membranes
  139. Evolutionary Changes in Domesticated Animals
  140. Plant Growth Patterns in Response to Gravity
  141. Impact of Human Activity on Wildlife
  142. Ocean Acidification Effects on Shellfish
  143. Investigating Genetic Diseases
  144. The Role of Bees in Pollination
  145. Impact of Temperature on Fungal Spores
  146. Study of Muscle Atrophy in Low Gravity
  147. The Role of pH in Fish Development
  148. Climate Effects on Animal Populations
  149. DNA Profiling in Forensic Science
  150. Effects of Noise Pollution on Animal Behavior
  151. Impact of Oil Contamination on Soil
  152. Examining Biomagnification in Food Chains

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Final words

These 152 advanced higher biology project ideas span a wide range of topics in biology, from genetics and ecology to human physiology and environmental science. Each project offers a unique opportunity to explore scientific concepts in-depth, helping you build valuable skills and knowledge.

By choosing a project that sparks your interest, you’ll enjoy learning even more about the biological world around you.

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