docx, 284.7 KB
docx, 284.7 KB
A Level revision notes

Colour coded: green statistics; yellow definitions; blue dates

Nature of ecosystems

Food chains, trophic levels and food webs

Succession

Example of a terrestrial ecosystem in the UK- The chalk downlands of the South Downs

Climate change

Human exploitation of the global environment

Global trends in biodiversity

An example of a tropical coral reef system, the Jamaican coral reef

Biome 1- Tropical evergreen forest

Biome 2- The savannah grassland biome

Case study of a specified ecosystem at a local scale- The Sefton Coast sand dunes

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