Several questions on evolution, and mutation (rate)
David Faguy, Ph.D.
dfaguy at mail.arc.nasa.gov
Wed Aug 28 21:08:59 EST 1996
Brian Williams wrote:
> Wrong! By most estimates, the UNIVERSE isn't even 20 billion years
> old. The earth is about 4.5 billion years old, and the earliest life
> forms appeared about 500 million years ago.
The earliest credible claim for life on earth is 3.78 billion ya. I think
just about about all scientists (in the field) would say that there was
undoubtedly life on earth at 1.8 or so billion ya.
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