All Peter R. Grant Quotes
The process of speciation is completed with the cessation of genetic exchange.
Peter R. Grant
63% of people like this quote
We observe closely related species in sympatry and infer how they evolved from a common ancestor.
Peter R. Grant
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Species can be recognized by their morphological characteristics and songs.
Peter R. Grant
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To summarize, the particular song a male sings, and the behavioral responses of females to song and morphological signals, are not genetically inherited in a fixed manner but are determined by learning early in life.
Peter R. Grant
55% of people like this quote
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
55% of people like this quote
Thus mating of females was strictly along the lines of paternal song.
Peter R. Grant
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Islands are known to differ in the food supply available to ground finches, mainly seeds.
Peter R. Grant
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Plumage features constitute a major component of courtship signals.
Peter R. Grant
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Evidence of epistasis from hybridization studies is more scarce.
Peter R. Grant
53% of people like this quote
The divergence of songs in the new population away from those in the progenitor population would only be prevented if these processes were balanced by repeated immigration and subsequent breeding: song flow.
Peter R. Grant
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Thus the genetic basis to the origin of bird species is to be sought in the inheritance of adult traits that are subject to natural and sexual selection.
Peter R. Grant
51% of people like this quote
Exchange of breeding individuals between two populations tends to homogenize their gene pools.
Peter R. Grant
51% of people like this quote
The theory of founder effects does not explain how novel features like plumage traits arise.
Peter R. Grant
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Males transmit signals in courtship through behavioral displays.
Peter R. Grant
50% of people like this quote
Genes that underlie the capacity to receive, use and transmit information are the evolving properties.
Peter R. Grant
48% of people like this quote
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