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"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."
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Exlpore more Population quotes
"Population, when unchecked, increases in a geometrical ratio."
"Population, when unchecked, goes on doubling itself every 25 years or increases in a geometrical ratio."
"There is a very large chunk of our population who firmly believe in extraterrestrials."
"Still, whether we like it or not, the task of speeding up the decrease of the human population becomes increasingly urgent."
"Licences to have babies incidentally is something that I got in trouble for some years ago for suggesting even in Canada that this might be necessary at some point, at least some restriction on the right to have a child."
"We are 5 percent of the global population and consume a third of the total resources - on some level we should all feel guilty relative to the world."
"My patient population has a low recidivism rate, but if they haven't made up their minds that it is permanent, then of course, they will fail."
"Do not compute the totality of your poultry population until all the manifestations of incubation have been entirely completed."
"I had found again and again that the most aberrant population of a species - often having reached species rank, and occasionally classified even as a separate genus - occurred at a peripheral location, indeed usually at the most isolated peripheral location."
"Our population is headed for a stable plateau, which means an aging population."
Explore more quotes by 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."
"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."
"Genes that underlie the capacity to receive, use and transmit information are the evolving properties."
"Almost nothing is known from hybridization studies about the inheritance of courtship behavior of females, or of their responsiveness to particular male signals."
"The theory of founder effects does not explain how novel features like plumage traits arise."
"Exchange of breeding individuals between two populations tends to homogenize their gene pools."
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