GCSE Biology

AQA

Module 7: Ecology

7.1 Adaptations, interdependence and competition

Adaptations
Food chains and webs
Predator and prey cycles
Using quadrats to estimate population size and using transects to investigate distribution
Required practical - Sampling to measure population size and the effect of a factor on distribution

7.2 Organisation of an ecosystem

The carbon cyle
The water cycle
Triple Science Only - Required practical- rate of decay
Waste management
Destruction of peat bogs
Deforestation
Global warming

7.4 Triple Science Only - Trophic levels in an ecosystem

Triple Science Only - Trophic levels and pyramids of biomass

7.5 Triple Science Only - Food production

Triple Science Only - Food security- including farming techniques and sustainable fisheries
Triple Science Only - The role of biotechnology
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