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Re: Some thoughts on AVES
In a message dated Fri, 2 Nov 2001 8:16:53 AM Eastern Standard Time,
"Demetrios M Vital" <firstname.lastname@example.org> writes:
> Can you pinoint the exact time in history when that adaptation occurred?
Fortunately, I don't have to. We only have to classify the specimens we
actually discover. For this reason, abstract apomorphy-based definitions like
the one I gave do not bother me overly much.
> That idea assumes an over-night acqusition of an adaptation.
Not necessarily (see above). And besides, any adaptation, if defined strictly
enough, must indeed have been acquired overnight.