Biology A-Level
Biotic factors
What Biotic factors means in Biology A-Level, as defined for OCR.
Definition of Biotic factors
Check what you remember
Read the wording for your board, then hide it and explain Biotic factors in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Living influences such as predation, competition and disease that affect which organisms survive and how the community is structured.
Topics that use Biotic factors
- Ecosystems (OCR A-Level)
Related terms
- abiotic factors
- biomass
- Colonisation of bare ground
- decomposers
- Dynamic
- ecosystem
- Mark-release-recapture for mobile animals
- Matching method to ecosystem and consistent recording
Using Biotic factors in the exam
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