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Säie: 2nd Icon:The Tree of Life

Edellinen säie: _Icons of Evolution_ - Chapter 1: Introduction
Seuraava säie: The Rate of Genetic Mutation
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From: magi AT iki PISTE fi (Marko Grönroos)
Newsgroups: talk.origins
Subject: Re: 2nd Icon:The Tree of Life
Date: 7 Nov 2000 08:30:58 -0500

WickedDyno <amg39 PISTE REMOVETHIS AT cornell PISTE edu PISTE invalid> writes:
> It has been pretty much accepted since the 60s that the history of
> multicellular life looks less like a tree and more like a bush, wide not
> far from the bottom.

Not so bushy, if you consider that life probably began some 3.8Ga
ago. You have some 3Ga before the Cambrian period, which makes a
rather awesome trunk, I'd say.

Well, ok, there was the birth of eukaryotes and such much before
Cambrian, but nevertheless not very many branchings.

--
-- Marko Grönroos, magi AT iki PISTE fi (http://www.iki.fi/magi/)
-- Paradoxes are the source of truth and the end of wisdom

Edellinen säie: _Icons of Evolution_ - Chapter 1: Introduction
Seuraava säie: The Rate of Genetic Mutation
[Muut säikeet] [Muut uutisryhmät]