abiotic factors
What abiotic factors means in Biology GCSE, as defined for AQA, OCR.
Definitions of abiotic factors
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Reference: OCR
Non-living variables such as temperature, light intensity, moisture and soil pH that directly influence physiological survival and affect plant growth and distribution.
Non-living physical and chemical conditions of a habitat which can affect a community.
Topics that use abiotic factors
- Abiotic factors (AQA GCSE)
- Ecosystems (OCR GCSE)
Related terms
- abiotic and biotic components
- aerobic and anaerobic decomposition
- biotic factors
- carbon cycle
- carrying capacity
- Cellular respiration
- community distribution
- competition
Using abiotic factors in the exam
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