Re: Musings about the Cambrian Explosion
- From: an588@xxxxxxxxxxxxxxxxxxx (Catherine Woodgold)
- Date: Tue, 4 Oct 2005 21:18:29 -0400 (EDT)
> "g" <gillawton@xxxxxxxxxxxxx> wrote in message news:dhii29$2s7v$1@xxxxxxxxxxxxxxxxxxxxxx
>> be more or less favored. The atmosphere's oxygen content and carbon dioxide
>> content increased and, as the percentage of oxygen increased, there was more
>> of it that could be utilized by fauna if they mutated in ways that availed
>> them of the opportunity.
I think that may have been the theory I read: when the oxygen
level increased, there was a lot more energy and opportunity
available and life went wild. Sounds reasonable to me.
--
Cathy Woodgold
http://www.ncf.ca/~an588/par_home.html
We are all Iraqis now.
.
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