AQA A2 Biology Unit 4 3.4.7 Succession

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I made these revision notes using my class notes, the AQA A2 Biology textbook and the AQA specification.

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3.4.7 Succession
SUCCESSION is the process in which a community alters its environment and is replaced by a new community over a period of
time.
Succession takes place in a series of stages, where each species present changes the environment, making it suitable for
another species to colonise. The new…

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plants can tolerate the harsh conditions. As the distance from the shore increases, the sand becomes more stable and
succession towards the climax community begins.
Grasses are a common pioneer plant on a sand dune. As the grasses extend over the surface of the dune, their roots help to
stabilise…

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Laura Tuppen

These are really good! 

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