From: tgpedersen
Message: 29236
Date: 2004-01-08
> 08-01-04 11:33, tgpedersen wrote:it
>
> > "Survival of the fittest" doesn't sound nice, admitted, but has
> > been abolished? When did that happen?necessary.
>
> The theory of natural selection has not been abolished; it has been
> incorporated into a more general theory. With the development of
> genetics (in particular, population genetics with its mathematical
> models and laboratory experiments) a new synthesis became
> Darwin can't be blamed for the incompleteness of his originaltheory
> (brilliant as it remains); he knew nothing about genes. Selectivein a
> pressures affect evolution by altering the frequency of some genes
> population, but many genetic changes spread thanks to random drift(and
> some other factors), not because of natural selection. This meansthat
> genetic change may be (and very often is) adaptively neutral. Ican't
> discuss it here at length, since it's essentially OT (except thatthere
> are clear analogies between natural and linguistic evolution). Ifyou're
> interested in the details, join any group that discussesevolutionary
> biology.slogan. "The
>
> As for "survival of the fittest", it's of course only a
> fittest" may stand a better chance in the long run, but a greatmany of
> the less fit also manage to survive in each generation. Survival isYes, yes. And still you offer no analogy to selection pressure in
> differential, not a matter of total success versus total extinction.
>