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Originally Posted by mithrandir
No-one said evolution was always an improvement.
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No, of course not. The indiscriminate and long-term nature of random variation and natural selection can lead to local optima that turn out to be dead ends. On a long-term scale the evolutionary mechanism would tend to achieve optimally adapted species unless environmental shifts change the goal posts faster than natural selection results in adapted species.
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The intelligent are breeding themselves out of the gene pool by having small numbers of offspring.
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Now you're being cynical
Cheers
Steffen.