Biology A-Level
Random sampling to estimate abundance
What Random sampling to estimate abundance means in Biology A-Level, as defined for OCR.
Definition of Random sampling to estimate abundance
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Reference: OCR
Placing a quadrat randomly, for example using random coordinates, gives percentage frequency, density per m² or percentage cover, and avoids bias.
Topics that use Random sampling to estimate abundance
- Ecosystems (OCR A-Level)
Related terms
- abiotic factors
- biomass
- Biotic factors
- Colonisation of bare ground
- decomposers
- Dynamic
- ecosystem
- Mark-release-recapture for mobile animals
Using Random sampling to estimate abundance in the exam
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