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Ernst Mayr

"Living in an entirely different physical as well as biotic environment, such a population would have unique opportunities to enter new niches and to select novel adaptive pathways."

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"Living in an entirely different physical as well as biotic environment, such a population would have unique opportunities to enter new niches and to select novel adaptive pathways."

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Asa Don Brown

"Chicago happened slowly, like a migraine. First they were driving through countryside, then, imperceptibly, the occasional town became a low suburban sprawl, and the sprawl became the city."

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Personal Development

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Asa Don Brown

"Summer was full on and the nights hot. It was like lying in warm syrup there in the dark under the viaduct, in the steady whine of gnats and nightbugs."

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Asa Don Brown

"The addition of certain chemicals to the atmosphere will destroy wavelengths of light and it may only be a matter of time before one of these wavelengths of light that is critical for human survival is eliminated. This is called: The Extinction Wavelength."

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Asa Don Brown

"We are such small, stupid things. For most of my life I thought of nature as the stupid thing: Blind, animal, destructive. We, the humans, were clean and smart and in control: we had wrestled the rest of the world into submission, battered it down, pinned it to a glass slide and the pages of The Bool of Shhh."

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Asa Don Brown

"By eating meat we share the responsibility of climate change, the destruction of our forests, and the poisoning of our air and water. The simple act of becoming a vegetarian will make a difference in the health of our planet."

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Asa Don Brown

"Whenever they are given the choice, some people choose a bath over a shower; they, too, would like to do their bit to waste water."

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Personal Development

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Asa Don Brown

"The straw-coated floor crunched beneath her boots, a cool breeze sweeping in from where the roof had been ripped half off thanks to Sorrel's bull. To keep the wyverns from feeling less caged-and so Abraxos could watch the stars, as he liked to do."

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Asa Don Brown

"In a natural environment, nature controls the breeding cycles. In the man-made environment, abnormal environmental conditions control the unnatural breeding cycles."

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Asa Don Brown

"It's not as though we can keep burning coal in our power plants. Coal is a finite resource, too. We must find alternatives, and it's a better idea to find alternatives sooner then wait until we run out of coal, and in the meantime, put God knows how many trillions of tons of CO2 that used to be buried underground into the atmosphere."

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Asa Don Brown

"Tree planting is always a utopian enterprise, it seems to me, a wager on a future the planter doesn't necessarily expect to witness."

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Ernst Mayr
"All I claimed was that when a drastic change occurs, it occurs in a relatively small and isolated population."

Change

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Ernst Mayr
"Living in an entirely different physical as well as biotic environment, such a population would have unique opportunities to enter new niches and to select novel adaptive pathways."

Environment

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Ernst Mayr
"The major novelty of my theory was its claim that the most rapid evolutionary change does not occur in widespread, populous species, as claimed by Most geneticists, but in small founder populations."

Change

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Ernst Mayr
"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."

Population

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Ernst Mayr
"According to the concept of transformational evolution, first clearly articulated by Lamarck, evolution consists of the gradual transformation of organisms from one condition of existence to another."

Evolution

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Ernst Mayr
"New gene pools are generated in every generation, and evolution takes place because the successful individuals produced by these gene pools give rise to the next generation."

Success

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Ernst Mayr
"Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection."

Evolution

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Ernst Mayr
"As a consequence, geneticists described evolution simply as a change in gene frequencies in populations, totally ignoring the fact that evolution consists of the two simultaneous but quite separate phenomena of adaptation and diversification."

Change

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Ernst Mayr
"In those early years in New York when I was a stranger in a big city, it was the companionship and later friendship which I was offered in the Linnean Society that was the most important thing in my life."

Friendship

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Ernst Mayr
"Life is simply the reification of the process of living."

Life

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