The theory of founder effects does not explain how novel features like plumage traits arise.
More Quotes from Peter R. Grant:
The independent role of morphology in mate choice is revealed by the rare instances where the usual association between song and morphology is disrupted.Peter R. Grant
Species can be recognized by their morphological characteristics and songs.
Peter R. Grant
Genes that underlie the capacity to receive, use and transmit information are the evolving properties.
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Islands are known to differ in the food supply available to ground finches, mainly seeds.
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The process of speciation is completed with the cessation of genetic exchange.
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We observe closely related species in sympatry and infer how they evolved from a common ancestor.
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