Ecology – GCSE AQA Foundation Biology revision notes

What this topic covers

Ecology has 5 subtopics:

• Adaptations, interdependence and competition
• Organisation of an ecosystem
• Biodiversity and the effect of human interaction on ecosystems
• Trophic levels in an ecosystem (biology only)
• Food production (biology only)

Ecology lessons by subtopic

36 lessons, grouped by subtopic.

Adaptations, interdependence and competition

• Understanding Ecosystems and Their Organisation
• Competition and Survival in Communities
• Interdependence and Community Stability
• Types of Adaptations
• Extremophiles and Extreme Environments
• Living Factors Affecting Communities
• Analyzing Changes in Communities
• Physical Abiotic Factors in Ecosystems

Organisation of an ecosystem

• Working with ecological data
• Producers and feeding relationships
• Studying ecosystems and predator-prey relationships
• Factors Affecting Decomposition and Rate Calculations
• Practical Applications of Decomposition
• Material cycling in ecosystems
• The carbon and water cycles
• Microorganisms in material cycling

Biodiversity and the effect of human interaction on ecosystems

• Human Impacts on Biodiversity
• Conservation Programmes and Habitat Protection
• Global and Local Environmental Solutions
• What is Biodiversity and Why Does it Matter?
• Human Impact on Biodiversity
• How Human Activities Reduce Land for Wildlife
• Understanding Global Warming and Its Biological Impact
• Types and Sources of Pollution

Trophic levels in an ecosystem (biology only)

• Pyramids of Biomass and Energy Transfer
• Why Biomass is Lost Between Trophic Levels
• Calculating Biomass Transfer Efficiency
• Understanding Pyramids of Biomass
• Understanding Trophic Levels in Ecosystems
• The Role of Decomposers in Ecosystems

Food production (biology only)

• What is Food Security and Its Challenges
• Biological and Environmental Threats to Food Security
• Declining Fish Stocks and Their Conservation
• Biotechnology Solutions for Food Production
• GM Crops and Improved Nutrition
• Improving Food Production Efficiency in Farming

More in this course

Go back to the full GCSE AQA Foundation Biology topic list, or practise this topic with past-paper questions.