From: Scott Roberts (jse885@earthlink.net)
Date: Fri Oct 15 2004 - 16:33:21 BST
Jim,
> >But why is Darwinism
> >treated as scientific? The theory is untestable, as far as I can see.
> >
> Sorry for butting in...
>
> Not strictly true. There are a few retrodictions that constitute tests,
> although not in the standard set-up experiment & compare results to
> theory basis.
>
> Darwin 'predicted' that there would be soft bodied Precambrian species
> whose imprints were less readily preserved than the mineralized
> skeletons of animals living in the Cambrian. These have subsequently
> been found. He also 'predicted' that there was a land-water precursor
> to the whale, again the fossil of such a creature has subsequently been
> found.
>
> Okay, I appreciate that these retrodictions are quite general in their
> nature but their accuracy (although not proving neo-Darwinism) does
> indicate some form of evolution as opposed to creation. Of course you
> can never rule out the existence of a parameter so arbitrary it can be
> fitted to any data by this method but here the basic premise that
> something does not come from nothing stands up withough having to invoke
> such a parameter. And such retrodictions are considerably more testable
> than the vague assertions of the ilk "I can't believe a human evolves
> from a fish".
As far as I know no one is supporting creationism here, nor is anyone
denying natural selection as a way of weeding out non-adapted forms (which
is practically tautological). When I say Darwinism, I have been explicitly
using it in the sense of evolution solely through chance and natural
selection. I don't see how the evidence you describe indicates that
evolution comes about through "solely through chance" and natural
selection, rather than in some other way.
- Scott
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