ecosystems

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  • Created by: Leanne
  • Created on: 27-04-11 14:05

ecosystems

Ecosystems (communties of animals,plants  and micro organismstogether with the habitats where they live) can be small-scale, covering a small area (such as a pond) or large-scale covering a large area (such as a tropical rainforest).

The world is divided up into ten major ecosystems. These large-scale ecosystems are called biomes.

Biomes are large scale ecosystems defined by abiotic factors. These are:

  • climate
  • relief - the height of the ground above sea level
  • geology - study of rocks that make up the earths crust
  • soils
  • vegetation
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