Food webs

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• 9 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. Biotic and abiotic factors
2. Predation
3. Competition
4. Parasitism and symbiosis
5. Saprophytes and decay
6. Surveying our own locality
7. Relationships in Kenya's parks and reserves
8. Temperature and light
9. Water and wind
10. Pressure, pH and salinity
11. Producers, consumers and trophic levels
12. Food chains
13. Food webs
14. Energy flow
15. Recycling nutrients
16. Human activity: habitat change
17. Hunting, poaching and introduced species
18. Interdependence: the whole picture