Key term for OCR GCSE Biology B, used in Interdependence in Ecosystems.
The movement of matter (such as carbon, nitrogen, and water) through biotic (living) and abiotic (non-living) components of an ecosystem.
Substance cycling appears in OCR GCSE Biology B revision content for Ecosystems and Photosynthesis, especially Interdependence in Ecosystems and Percentage Mass Calculations.
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