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AQA Combined Science · Biology Paper 2 · B7

Ecology

Practice

Daily 5 →Exam practice →Revision sheet PDF ↓

Practise this topic

Lessons

  1. 7.1Communities and interdependence
  2. 7.2Abiotic and biotic factors
  3. 7.3Adaptations and extremophiles
  4. 7.4Food chains and food webs
  5. 7.5Predator–prey cycles
  6. 7.6Required practical 7: random quadrats
  7. 7.7Required practical 7: transects
  8. 7.8Sampling calculations and graphs
  9. 7.9The carbon cycle and decomposers
  10. 7.10The water cycle
  11. 7.11Biodiversity
  12. 7.12Waste and pollution
  13. 7.13Land use and deforestation
  14. 7.14Global warming
  15. 7.15Maintaining biodiversity

More biology

B6 Inheritance, variation and evolution →B5 Homeostasis and response →B4 Bioenergetics →Official AQA past-paper links →

AQA Combined Science Trilogy specification, section 4.7

Required practicals · Virtual labs

Combined RP 7 · Separate Biology RP 9Field investigationsOpen virtual lab →Separate Biology · RP 10Temperature and the rate of decayOpen virtual lab →