Controversial Fossil Could Shed Light on Early Animals' Blueprint

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 Alan Guth - Inflationary Universe 
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Controversial Fossil Could Shed Light on Early Animals' Blueprint, Science
 









Excerpts: The new animal, (...), was an oval blob less than a fifth of a
millimeter long. The authors say it shows that key features of bilaterians are
preserved in rocks some 580 million to 600 million years old--and thus that the
genetic tool kit used to assemble more sophisticated body plans was present long
before the Cambrian. "If these are bilaterian fossils, they would help tone down
the suddenness of that 'explosion,' " says Jere Lipps of the University of
California, Berkeley.
Source: Controversial Fossil Could Shed Light on Early Animals' Blueprint[
http://www.sciencemag.org/cgi/content/full/304/5676/1425a ], Erik Stokstad,
Science : 1425, 04/06/04

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