(a)[3]
Describe the main factors responsible for phenotypic variation.
(b(i))[3]
Outline the theory of evolution in broad terms.
(b(ii))[3]
Explain how DNA sequences are used to demonstrate evolutionary relationships between species.
Biology 9700 · AS & A Level · Evolution
Evolution — practice question
Variation within populations of a species can create the opportunity for evolution to take place.
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