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Politics : PRESIDENT GEORGE W. BUSH -- Ignore unavailable to you. Want to Upgrade?

To: Tom Clarke who wrote (32408)	8/26/2000 2:39:18 PM
From: TigerPaw	Respond to of 769670

as predicted by current evolutionary theory. Current evolutionary theory is predominatly Punctuated Equilibrium as formulated by Gould and Ethridge. It's actually the original Natural Selection theory of Darwin that predicted slow steady change. Darwin missed two main areas (because the underlying information was not available to him). 1) He though the Earth too young, The best estimate was 100 million years based on the time it would take for a molten mass the size of the Earth to cool to current temperature. He didn't know about radiation and it's heating effects and so proposed rather rapid evolution to fit all the species in the required timeframe. 2) Darwin did not know about genes, or DNA. The mechanism of reproduction was unknown, Darwin proposed that each child was an imperfect copy of the parents. That is to say there was some mutation with each generation. We now know that the digital nature of DNA makes reproduction quite stable. Gould and Ethridge have shown that species are quite stable. Changes large enough to form new species are clustered around major killing events, such as comets, ice ages, or massive change to the environment. TP