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4.1 Ecosystems Revision — OCR GCSE Biology A J247 | GradeGen.AI

Biology A
Community level systems
Ecosystems

OCRJ24710 subtopics

Ecosystems

Subtopics

Material cycling

Notes available

Role of microorganisms

Notes available

10 of 10 subtopics have revision notes available.

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Carbon and water cycles

Notes available

Factors affecting decomposition

Notes available

Levels of organisation

Notes available

Abiotic and biotic factors

Notes available

Interdependence and competition

Notes available

Trophic levels

Notes available

Pyramids of biomass

Notes available

Efficiency of biomass transfer

Notes available