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Vestigial structures are best described as:

Gene flow is best described as:

Homologous structures in different species suggest:

What is an example of a real-time observation of evolution?

What is speciation?

Molecular biology provides evidence for evolution by showing :

How do homologous structures support the theory of evolution?

Speciation is the process by which:

Which scenario best illustrates natural selection?

What was Charles Darwin’s primary contribution to the theory of evolution?