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"The theory of founder effects does not explain how novel features like plumage traits arise."
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Exlpore more Theory quotes
"Of thousands of others, nearer the centre of the explosion, there was no trace. They vanished. The theory in Hiroshima is that the atomic heat was so great that they burned instantly to ashes - except that there were no ashes."
"Without a revolutionary theory there cannot be a revolutionary movement."
"If the Confederacy fails, there should be written on its tombstone: Died of a Theory."
"A theory can be proved by experiment; but no path leads from experiment to the birth of a theory."
"I have this theory- that if we're told we're bad, then that's the only ideal we'll ever have."
"Without revolutionary theory there can be no revolutionary movement."
"I have a tendency to often share the point of view of the conspiracy theory."
"Verbal and nonverbal activity is a unified whole, and theory and methodology should be organized or created to treat it as such."
Explore more quotes by 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."
"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."
"Genes that underlie the capacity to receive, use and transmit information are the evolving properties."
"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."
"Exchange of breeding individuals between two populations tends to homogenize their gene pools."
"The independent role of morphology in mate choice is revealed by the rare instances where the usual association between song and morphology is disrupted."
"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."
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