Biology GCSE
Sampling and estimation
What Sampling and estimation means in Biology GCSE, as defined for AQA.
Definition of Sampling and estimation
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Reference: AQA
Counting the chosen species in each quadrat, calculating a mean number per quadrat, and scaling the mean up to the whole area to estimate population size.
Topics that use Sampling and estimation
- Levels of organisation (AQA GCSE)
Related terms
- Biomass
- Consumers
- Distribution along environmental gradients
- Energy transfer
- First trophic level
- Food chains
- food web
- Interdependence and food supply
Using Sampling and estimation in the exam
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