PRESIDENT GEORGE W. BUSH Message Board

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Politics : PRESIDENT GEORGE W. BUSH

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To: GROUND ZERO™ who wrote (742040)	6/6/2006 9:21:26 PM
From: DuckTapeSunroof	Read Replies (2) of 769670

Re: "Darwin said that animals adapt to their environment, and those that can adapt will survive." No, I don't think so. That appears to be 'Lamarkism' you are describing (the discredited theory --- though popular at the end of the nineteenth century --- by the Russian scientist that animals could pass-on physical changes that happened to them in their lives. He cut off the tails of many mice to see if their offspring would be born without tails. Of course they never were....) Darwin's great contribution was the theory of Sexual Selection as the driving force of evolution. (Survivors breed, and sexual appeal drives breeding....) And he most certainly did come to believe that new species could evolve over time --- though he only came to accept this concept over many years --- as a result of the evidence he observed on his famous voyages on the Beagle.

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