Biology - The carbon cycle

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  • Created by: Holly
  • Created on: 06-11-12 16:28
All the nutrients in our environment are constantly being ...
recycled
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The carbon cycle is powered by ...
Photosynthesis
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Carbon dioxide is removed from the atmosphere by ...
green plants and algae and the carbon is used to make carbohydrates, fats and proteins in the plants and algae.
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Some of the carbon is returned to the atmosphere as ... when plants and algae respire.
carbon dioxide
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Some of the carbon becomes part of the fats and protein in animals when...
plants and algae are eaten
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The carbon then moves through the ...
food chain
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Some of the carbon is returned to the atmosphere as... when the animal respires.
carbon dioxide
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When plants, algae and animals die, other animals called .... and .... feed on the remains.
detritus feeders and microorganisms. When these organisms respire carbon dioxide is returned to the atmosphere.
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Animals also produce waste. This is broken down by ... and ...
detritus feeders and microorganisms.
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Compounds in the waste are taken up by the soil by plants as...
nutrients. They are put back into the food chain again.
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Some useful plants and animal products, e.g woof and fossil fuels, are ...
burnt (combustion). This also releases carbon dioxide back into the air.
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The carbon cycle is a constant cycle- from the air, through the food chains and eventually...
back in to the air again.
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Other cards in this set

Card 2

Front

The carbon cycle is powered by ...

Back

Photosynthesis

Card 3

Front

Carbon dioxide is removed from the atmosphere by ...

Back

Preview of the front of card 3

Card 4

Front

Some of the carbon is returned to the atmosphere as ... when plants and algae respire.

Back

Preview of the front of card 4

Card 5

Front

Some of the carbon becomes part of the fats and protein in animals when...

Back

Preview of the front of card 5
View more cards

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