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AQA Biology 8461 · Paper 2 · Biology-only additions

Ecology

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Practice

Daily 5Core exam practiceRevision PDF

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Higher Tier exam practice · 6 diagram questions →

Foundation and Higher

  1. 7.1Conditions for decomposition
  2. 7.2Compost and biogas
  3. 7.3RP10: investigating milk decay
  4. 7.4RP10: interpreting decay data
  5. 7.5Trophic levels and decomposers
  6. 7.6Pyramids of biomass
  7. 7.7Biomass transfer and efficiency
  8. 7.8Factors affecting food security
  9. 7.9Farming efficiency and welfare
  10. 7.10Sustainable fisheries
  11. 7.11Biotechnology for food production

Higher Tier only

  1. 7.12Higher Tier onlyHigher: environmental change and distribution

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AQA Biology 8461, section 4.7