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The carbon then moves through the ...

Some of the carbon is returned to the atmosphere as... when the animal respires.

When plants, algae and animals die, other animals called .... and .... feed on the remains.

Animals also produce waste. This is broken down by ... and ...

Compounds in the waste are taken up by the soil by plants as...

Some useful plants and animal products, e.g woof and fossil fuels, are ...

The carbon cycle is a constant cycle- from the air, through the food chains and eventually...