Phrase by 'Peter R. Grant'

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Males transmit signals in courtship through behavioral displays.

Author: Peter R. Grant - American Scientist
  Through , Courtship , Behavioral , Signals


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.

Author: Peter R. Grant - American Scientist
  Natural , Adult , Bird , Inheritance


We observe closely related species in sympatry and infer how they evolved from a common ancestor.

Author: Peter R. Grant - American Scientist
  How , Common , Observe , Related


Species can be recognized by their morphological characteristics and songs.

Author: Peter R. Grant - American Scientist
  Songs , Characteristics , Recognized


Thus mating of females was strictly along the lines of paternal song.

Author: Peter R. Grant - American Scientist
  Song , Lines , Along , Females


The independent role of morphology in mate choice is revealed by the rare instances where the usual association between song and morphology is disrupted.

Author: Peter R. Grant - American Scientist
  Song , Independent , Rare , Choice


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.

Author: Peter R. Grant - American Scientist
  Life , Song , Early , Learning


Genes that underlie the capacity to receive, use and transmit information are the evolving properties.

Author: Peter R. Grant - American Scientist
  Capacity , Information , Use , Genes


Exchange of breeding individuals between two populations tends to homogenize their gene pools.

Author: Peter R. Grant - American Scientist
  Two , Between , Breeding , Exchange


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.

Author: Peter R. Grant - American Scientist
  Song , New , Immigration , Flow


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