Biology A-Level
Evolution
What Evolution means in Biology A-Level, as defined for OCR.
Definition of Evolution
Check what you remember
Read the wording for your board, then hide it and explain Evolution in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A change in allele frequency in a population over generations, not an individual organism changing during its lifetime.
Topics that use Evolution
- Classification and evolution (OCR A-Level)
Related terms
- Antibiotic resistance
- Binomial nomenclature
- Cell structure and wall composition
- Change in allele frequency over generations
- Continuous versus discontinuous variation
- Differential survival and reproduction
- Evidence for classification
- Evolutionary descent
Using Evolution in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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