Biology A-Level
causes of change
What causes of change means in Biology A-Level, as defined for AQA.
Definition of causes of change
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Reference: AQA
Natural selection is the most important cause of that change but not the only one, since mutation, migration and genetic drift also alter frequencies.
Topics that use causes of change
- Evolution may lead to speciation (A-level only) (AQA A-Level)
Related terms
- allele frequency change
- allopatric speciation
- common ancestry
- competition for resources
- continuous variation
- crossing over
- directional selection
- discontinuous variation
Using causes of change in the exam
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