GCSE Edexcel Biology · Topic 9
Ecosystems and Material Cycles
In short
Topic 9: Ecosystems and Material Cycles in GCSE Edexcel Biology covers 3 topics: Ecosystems, Human Impact and Material Cycles. Each one below lists the key points to revise.
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What is in Topic 9: Ecosystems and Material Cycles?
Topic 9: Ecosystems and Material Cycles
Ecosystems
- Interdependence
- Abiotic and biotic factors
- Required practical: sampling
Human Impact
- Biodiversity and conservation
- Food security
- Pollution
Material Cycles
- The carbon cycle
- The water cycle
- The nitrogen cycle
Ecosystems and Material Cycles: common questions
What is in Topic 9: Ecosystems and Material Cycles?
It covers 3 topics: Ecosystems; Human Impact; Material Cycles.
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