Biology GCSE
relative abundance
What relative abundance means in Biology GCSE, as defined for OCR.
Definition of relative abundance
Check what you remember
Read the wording for your board, then hide it and explain relative abundance in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The amount of a plant or animal species within a quadratted community, expressed as a fraction or percentage of the total community count.
Topics that use relative abundance
- Ecosystems (OCR GCSE)
Related terms
- abiotic and biotic components
- abiotic factors
- aerobic and anaerobic decomposition
- biotic factors
- carbon cycle
- carrying capacity
- Cellular respiration
- community distribution
Using relative abundance in the exam
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