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Ecology

Often taught last and revised least, which makes it a common source of dropped marks. The required practical on sampling appears regularly.

Topics in this section8
Published0 of 8
01

Communities and interdependence

Biotic and abiotic factors

Coming soon
02

Adaptations

Structural, behavioural and functional

Coming soon
03

Sampling techniques

Quadrats, transects and estimating population size

Coming soon
04

Food chains and trophic levels

Energy transfer and pyramids of biomass

Coming soon
05

The carbon and water cycles

How materials are recycled

Coming soon
06

Decomposition

Factors affecting rate, and compost

Coming soon
07

Biodiversity and human impact

Pollution, land use and deforestation

Coming soon
08

Global warming

Causes, effects and evidence

Coming soon

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