Biology A-Level
allopatric speciation
What allopatric speciation means in Biology A-Level, as defined for AQA.
Definition of allopatric speciation
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Reference: AQA
Speciation that begins with a geographical barrier, like a river or mountain range, physically dividing a population, after which the separated groups diverge.
Topics that use allopatric speciation
- Evolution may lead to speciation (A-level only) (AQA A-Level)
Related terms
- allele frequency change
- causes of change
- common ancestry
- competition for resources
- continuous variation
- crossing over
- directional selection
- discontinuous variation
Using allopatric speciation in the exam
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