Abiotic factors
What Abiotic factors means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definitions of Abiotic factors
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Reference: Pearson Edexcel
The non-living physical and chemical conditions of a habitat, such as light intensity, temperature, water availability, pH, salinity, oxygen concentration and mineral ion concentration.
Measured as appropriate to the habitat, such as light intensity in lux, soil or water pH, temperature in °C, soil moisture, or mineral content.
Topics that use Abiotic factors
- Topic 5: On the Wild Side (Pearson Edexcel A-Level)
Related terms
- Abundance
- Allele frequency
- Allopatric speciation
- Anthropogenic causes of climate change
- ATP as universal energy currency
- Biomass units
- Biotic factors
- Carbon cycle
Using Abiotic factors in the exam
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