This contains 11 revision sheets covering the majority of Topic 7 Ecology.
Sheets included cover the following:-

  • competition, abiotic and biotic factors, food chains, webs, trophic levels, pyramids of biomass, biomass transfer, efficiency calculations, farming, food security, biotechnology examples (mycoprotein, insulin production), biodiversity and waste, global warming, deforestation, maintaining ecosystems and over fishing

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Sabaft

7 years ago
4

They are excellent revision sheets but there are no answers. It would be great if the answers could be uploaded for clarity.

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