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Authors:

Peter R. Grant quotes

American Scientist

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  • Quotes Topics

  • song

Quotes

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
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
Peter R. Grant quote: "Islands are known to differ in the food supply available to..."
Islands are known to differ in the food supply available to ground finches, mainly seeds. 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
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
Almost nothing is known from hybridization studies about the inheritance of courtship behavior of females, or of their responsiveness to particular male signals. Peter R. Grant
Peter R. Grant quote: "Thus mating of females was strictly along the lines of..."
Thus mating of females was strictly along the lines of paternal song. Peter R. Grant
Peter R. Grant quote: "Species can be recognized by their morphological..."
Species can be recognized by their morphological characteristics and songs. Peter R. Grant
Peter R. Grant quote: "Evidence of epistasis from hybridization studies is more scarce."
Evidence of epistasis from hybridization studies is more scarce. Peter R. Grant
Peter R. Grant quote: "Closely related species of birds are also chromosomally similar."
Closely related species of birds are also chromosomally similar. Peter R. Grant
Peter R. Grant quote: "Exchange of breeding individuals between two populations tends..."
Exchange of breeding individuals between two populations tends to homogenize their gene pools. Peter R. Grant
Peter R. Grant quote: "We observe closely related species in sympatry and infer how..."
We observe closely related species in sympatry and infer how they evolved from a common ancestor. Peter R. Grant
Peter R. Grant quote: "Males transmit signals in courtship through behavioral displays."
Males transmit signals in courtship through behavioral displays. Peter R. Grant
Peter R. Grant quote: "The process of speciation is completed with the cessation of..."
The process of speciation is completed with the cessation of genetic exchange. Peter R. Grant
Peter R. Grant quote: "Plumage features constitute a major component of courtship..."
Plumage features constitute a major component of courtship signals. Peter R. Grant

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