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GCSE
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Card 6
Front
In the UK, provided there are no grazing animals, what is the climax community?
Back
Card 7
Front
What is used to measure percentage cover when studying ecosystems?
Back
Card 8
Front
When nitrates flow into rivers and streams, it is known as..
Back
Card 9
Front
About ___% of nitrogen fixation is done by the Haber process and lightning strikes.
Back
Card 10
Front
Saprotrophs are..
Back
Card 11
Front
Denitrification occurs in:
Back
Card 12
Front
The maximum population size that can be maintained over a period of time in a particular habitat is called..
Back
Card 13
Front
Coppicing is where trees are cut __ ______ _______ of the trunk to encouraging growth
Back
Card 14
Front
When populations of deer are high, trees are __________ to ensure the deer don't eat the shoots as they grow back.
Back
Card 15
Front
Where do Rhizobium bacteria live?
Back
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