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Politics : Evolution
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To: Brumar89 who wrote (1376)5/24/2006 11:38:26 PM
From: TigerPaw  Read Replies (1) of 69300
 
You raised the issue of oxygen in our atmosphere now as a reason.

I raised the issue of oxygen as a difference.
You can't expect the processes from which life began to duplicate themselves in a vastly different environment. The earth now has a vastly different environment from when life first appeared. (What's all the more interesting is that it is lifeforms that changed the oxygen environment)

I allow for a distinction between life, and life as we know it. There could be reproducing and evolving processes elsewhere which don't follow the same chemistry as life on our planet.
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