Combined Science GCSE
Carbon cycle
What Carbon cycle means in Combined Science GCSE, as defined for AQA.
Definitions of Carbon cycle
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Reference: AQA
Returns carbon from organisms to the atmosphere as carbon dioxide to be used by plants in photosynthesis, so carbon is continuously recycled between organisms and the atmosphere.
The cycling of carbon, in which respiration by microorganisms releases carbon dioxide into the atmosphere and without decomposition it would stall.
Topics that use Carbon cycle
- How materials are cycled (AQA GCSE)
Related terms
- Changes of state
- Combustion
- Cycles maintaining supplies for life
- Cycling of matter
- decomposers
- Decomposition
- finite
- Microorganisms as decomposers
Using Carbon cycle in the exam
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