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GCSE Combined Science · key term
Offspring that can themselves reproduce.
Used by AQA
Specification 4.6.2.2 · Paper 2
Revise: EvolutionIf they become so different in phenotype that they can no longer interbreed to produce fertile offspring, they have formed two new species. Fertile offspring are offspring that can themselves reproduce.
For speciation, state that the populations can no longer interbreed to produce fertile offspring. Different appearances alone are not enough.
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