MadSci Network: Evolution
Query:

Subject: Why doesn't life begin today?

Date: Tue Sep 17 23:57:09 1996
Posted by: John Wilmot
Grade level: other
School/Organization: Not for years and years
City: Toronto State/Province: Ontario
Country: Canada
Area of science: Evolution
Message ID: 843022629.Ev
Message:
If the conditions were right for life to start on this planet 
millions of years ago, why are they not right for life to start today?  
Why can't we find a naturally occurry chemical soup where life is just 
ready to start?  If evolution could create bacteria, fish, dinosaurs, 
mammals and humans once, why could it not duplicate the process again and 
again?  I have read that scientists believe that life must have evolved 
and then been wiped out several times when the earth was being formed.  
How is it that only one start of life was successful?  Is it 
possible that not all creatures go back to the same begining?

Re: Why doesn't life begin today?

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