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!
Also read: Figma Project Ideas
150+ Advanced Higher Biology Project Ideas
- Plant Growth in Different Soils
- Effects of Light on Photosynthesis
- Antibiotic Resistance in Bacteria
- Water Pollution and Fish Health
- Enzyme Activity and Temperature
- Genetic Variation in a Plant Species
- The Role of pH in Plant Growth
- Heart Rate and Exercise
- Effect of Caffeine on Reaction Time
- Animal Behavior and Environment
- Air Quality and Plant Growth
- Water Temperature and Fish Respiration
- Yeast Respiration Rates
- Effects of Light on Sleep Patterns
- Biodiversity in Urban vs. Rural Areas
- Decomposition Rates of Organic Material
- Seed Germination and Temperature
- Gut Microbiome and Diet
- The Impact of Music on Plant Growth
- Fruit Ripening and Ethylene Gas
- Bacterial Growth on Different Surfaces
- Vitamin C Levels in Fruits Over Time
- The Effect of Salt on Plant Growth
- Photosynthesis and Carbon Dioxide Levels
- Effect of Temperature on Blood Pressure
- Effectiveness of Natural Antiseptics
- Pollinator Behavior with Different Flowers
- Blood Type and Disease Susceptibility
- Fish Behavior in Artificial Light
- Soil Moisture and Root Growth
- Water Hardness and Plant Growth
- Muscle Fatigue and Rest Periods
- Effect of Antibiotics on Gut Flora
- Photosynthetic Rate in Different Plants
- Oxygen Levels and Aquatic Plant Health
- Impact of Soil Nutrients on Plant Color
- Effect of Pollution on Freshwater Organisms
- Symbiotic Relationships in Coral Reefs
- pH Levels in the Human Digestive System
- Fruit Fly Behavior in Response to Sugar
- The Role of Gut Bacteria in Digestion
- The Effect of Sunscreen on Marine Life
- Flower Color and Pollinator Attraction
- The Spread of Algae in Nutrient-Rich Waters
- Plant Growth in Hydroponics vs. Soil
- Effect of Carbonated Beverages on Teeth
- Insect Adaptations to Climate
- Fungi Growth on Different Foods
- Heart Rate Variability with Music Genres
- Effect of Sugar on Yeast Growth
- Leaf Surface Area and Photosynthesis
- Microplastic Pollution in Water
- Impact of Light Exposure on Mold Growth
- Plant Resistance to Herbicides
- Studying Cancer Cell Growth
- Antibiotic Effects on Microorganisms in Soil
- Stem Cell Differentiation
- Effect of Saltwater on Seed Germination
- Ecosystem Recovery After Fire
- Genetic Mutations in Fruit Flies
- Temperature and Bacterial Growth
- Soil Erosion and Plant Life
- Impacts of Climate Change on Plant Growth
- Impact of Pesticides on Insects
- Circadian Rhythms in Plants
- Plant Leaf Shape and Sunlight Absorption
- Effects of Artificial Fertilizers on Soil Microorganisms
- Study of Tapeworm Infections
- Analysis of Fish Migration Patterns
- Plant Adaptations in Arid Regions
- Impact of Sugar on Tooth Decay
- Invertebrate Behavior in Response to Light
- Nitrogen Levels in Soil and Plant Health
- Cell Membrane Permeability
- Plant Growth in Different Water Conditions
- Fermentation Rates in Yeast
- Plant Disease Resistance
- Fish Growth in Varied Water Salinity
- Human Reaction to Temperature Changes
- Comparative Study of Plant Nutrient Absorption
- Symbiosis in Lichen
- Fruit Ripening and Temperature
- Genetics of Human Blood Types
- Algal Blooms and Water Quality
- Impact of Smoking on Lung Function
- Bacteria Growth on Common Surfaces
- Muscle Strength and Protein Intake
- Effect of Oil Spills on Marine Life
- Impact of Light Wavelengths on Plant Growth
- Biodiversity in Local Ecosystems
- Analysis of Microbes in Food Products
- Fermentation and Alcohol Production
- Aging and Cell Regeneration
- Study of Drought-Resistant Crops
- Impact of Organic vs. Chemical Fertilizers
- DNA Extraction from Fruits
- Study of Asexual Reproduction in Plants
- The Effect of Carbon Dioxide on Blood pH
- Temperature’s Effect on Enzyme Reactions
- Ecosystem Balance in Aquatic Environments
- Protein Structure Analysis
- Food Preservatives and Bacterial Growth
- Mating Behavior in Insects
- Photosynthetic Efficiency in Shade Plants
- Temperature Impact on Bacterial Resistance
- Water Uptake in Different Soil Types
- Comparative Study of Leaf Stomata
- Bioluminescence in Marine Organisms
- Effect of Acids on Plant Cells
- Human Circadian Rhythms and Light Exposure
- Plant Height Variability by Species
- The Role of Mitochondria in Energy Production
- Study of Seed Dispersal Mechanisms
- The Role of Enzymes in Digestion
- Evolution of Antibiotic-Resistant Bacteria
- Microbial Communities in Composting
- Leaf Pigmentation and Seasonal Changes
- Effects of Diet on Cholesterol Levels
- Analysis of Crop Yields Under Different Conditions
- Effects of Plastic on Marine Life
- Water Scarcity and Plant Survival
- Role of Fungi in Decomposition
- Animal Migration and Climate Change
- Analysis of Probiotics on Gut Health
- Study of Leaf Chromatography
- Impact of Water pH on Fish Development
- Cell Division in Cancerous Cells
- Photosynthesis in Different Climate Zones
- Cellular Responses to UV Radiation
- Analysis of Bacterial Biofilms
- Study of Predator-Prey Relationships
- Plant Hormones and Growth Patterns
- Effect of Pollutants on Coral Reefs
- Study of Yeast Metabolism
- Adaptation Mechanisms in Desert Plants
- Immunology of Autoimmune Diseases
- Photosynthetic Pathways in Plants
- The Role of Fats in Cell Membranes
- Evolutionary Changes in Domesticated Animals
- Plant Growth Patterns in Response to Gravity
- Impact of Human Activity on Wildlife
- Ocean Acidification Effects on Shellfish
- Investigating Genetic Diseases
- The Role of Bees in Pollination
- Impact of Temperature on Fungal Spores
- Study of Muscle Atrophy in Low Gravity
- The Role of pH in Fish Development
- Climate Effects on Animal Populations
- DNA Profiling in Forensic Science
- Effects of Noise Pollution on Animal Behavior
- Impact of Oil Contamination on Soil
- 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.