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Speciation explanation

GCSE · Combined Science · Edexcel · CB4.1 — Evolution by natural selection; evidence (fossils, antibiotic resistance); speciation

Question

Edexcel Paper 2H (Higher)

A population of finches becomes split between two islands by a flood. After thousands of years, they cannot interbreed.

Explain how speciation has occurred. (4 marks)

4 marks · take your time before peeking.

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