GCSE AQA Biology · Topic 7
Ecology
In short
Topic 7: Ecology in GCSE AQA Biology covers 5 topics: Adaptations, Interdependence & Competition, Organisation of an Ecosystem, Biodiversity & the Effect of Human Interaction on Ecosystems, Trophic Levels in an Ecosystem and 1 more. Each one below lists the key points to revise.
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What is in Topic 7: Ecology?
Topic 7: Ecology
Adaptations, Interdependence & Competition
- Communities
- Abiotic factors
- Biotic factors
- Adaptations
Organisation of an Ecosystem
- Levels of organisation
- How materials are cycled
- Decomposition
- Required practical: rate of decay
Biodiversity & the Effect of Human Interaction on Ecosystems
- Biodiversity
- Waste management
- Land use
- Deforestation
- Global warming
- Maintaining biodiversity
Trophic Levels in an Ecosystem
- Trophic levels
- Pyramids of biomass
- Transfer of biomass
Food Production
- Factors affecting food security
- Farming techniques
- Sustainable fisheries
- Role of biotechnology
Ecology: common questions
What is in Topic 7: Ecology?
It covers 5 topics: Adaptations, Interdependence & Competition; Organisation of an Ecosystem; Biodiversity & the Effect of Human Interaction on Ecosystems; Trophic Levels in an Ecosystem; Food Production.
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