A2 Biology Unit 4 Flashcards - Ecological succession

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What is succession?
Changes over time to a species that occupy a particular area
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What is the first stage of succession?
The colonisation of an inhospitable enviroment by organisms called pioneer species
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What is a climax community?
When the community has evolved enough to allow many species both human and plants to flourish
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What is there normally within a climax community?
A dominant plant species and dominant animal species
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What is the pioneering stage?
Early years - bacteria colonise the land reduce toxic factors
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What is conservation?
Management of the Earth's natural resources to maximise them
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What are the 3 main reasons for conservation?
Ethical, Economic - bigger gene pool, Cultural and aesthetic - Enrich our land
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Other cards in this set

Card 2

Front

What is the first stage of succession?

Back

The colonisation of an inhospitable enviroment by organisms called pioneer species

Card 3

Front

What is a climax community?

Back

Preview of the front of card 3

Card 4

Front

What is there normally within a climax community?

Back

Preview of the front of card 4

Card 5

Front

What is the pioneering stage?

Back

Preview of the front of card 5
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