Estimating population size

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• 8 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
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Other lessons in this sub-strand

1. Ecology terminology
2. Characteristics of ecosystems
3. Forest ecosystems
4. Grassland ecosystems
5. Desert ecosystems
6. Aquatic ecosystems
7. Adaptations of organisms
8. Xerophytes
9. Mesophytes
10. Hydrophytes
11. Halophytes
12. Adaptations of desert and aquatic animals
13. Characteristics of populations
14. Factors affecting populations
15. Estimating population size
16. Nitrogen and carbon cycles
17. Environmental pollution and climate change
18. Sensitising the community on pollution