Biology A-Level
Random versus systematic sampling
What Random versus systematic sampling means in Biology A-Level, as defined for OCR.
Definition of Random versus systematic sampling
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Read the wording for your board, then hide it and explain Random versus systematic sampling in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Random sampling avoids bias when the habitat is uniform, while systematic sampling along a transect follows a change such as a gradient.
Topics that use Random versus systematic sampling
- Biodiversity (OCR A-Level)
Related terms
- Aesthetic reasons for maintaining biodiversity
- Climate change
- Distinguishing reasons from conservation methods
- Ecological reasons for maintaining biodiversity
- Economic reasons for maintaining biodiversity
- Estimating species richness and abundance
- Ex situ conservation methods
- genetic diversity
Using Random versus systematic sampling in the exam
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