Biology A-Level
Nitrogen cycle
What Nitrogen cycle means in Biology A-Level, as defined for OCR.
Definition of Nitrogen cycle
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Reference: OCR
The cycle involving nitrogen fixation, ammonification, nitrification and denitrification.
Topics that use Nitrogen cycle
- Ecosystems (OCR A-Level)
Related terms
- abiotic factors
- biomass
- Biotic factors
- Colonisation of bare ground
- decomposers
- Dynamic
- ecosystem
- Mark-release-recapture for mobile animals
Using Nitrogen cycle in the exam
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