RE: Logic

From: Vincent Campbell (
Date: Thu Jul 26 2001 - 12:12:26 BST

  • Next message: Vincent Campbell: "RE: Logic"

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    Subject: RE: Logic
    Date: Thu, 26 Jul 2001 12:12:26 +0100
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            <Sorry, but no for you too Wade. Evolution might not be
    > perfectly logical with respect to a perfect intelligent
    > design, but it is logical the some degree nonetheless.
    > Also it does `separate wheat from the chaff' if I correctly
    > understand your niche. Natural selection means specific
    > adaptation. A species adapts or perishes. During the competition
    > between species only the fittest survive.>
            How come there are millions of species then, that cohabit the same
    environments? How come there isn't just one species? Survival of the
    fittest is a tautology which doesn't adequately describe what goes on in
    evolution. (Why? think about what it means to be fit- of course only the
    fit survive).

            Some species are able to exploit niches in ways which allow then to
    survive despite dramatic environmental change going on around them (the
    coelacanth, and nautilus spring to mind), others become so tied to their
    niches that they are extremely vulnerable to sudden enviromental change
    (giant panda I guess is a good example).

            <Therefore, natural selection does function as a sieve to separate
    wheat from chaff.
    > We humans wouldn't be around, being intelligent, on top of
    > the food chain and all that, if it weren't for natural selection!
    > Of all the macro-species, humans came out as winners in the
    > rat-race called biological evolution.>
            Another basic error is to see evolution as a kind of a ladder, with
    species fighting each other to get to the top of it, and with us on top. It
    is not like that. If it was, then humans could not be wiped out by bacteria
    or viruses because they are so much further "down the ladder".


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