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4) Increased use of tools and fire
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From the 11 papers in Science
October 2, 2009 The skeleton nicknamed “Ardi” is from a female who lived
in a woodland, stood about 120 cm. tall and weighed
about 50 kg. She was thus about as big as a chimpanzee
and had a brain size to match.
She did not knuckle-walk or swing through the trees like
living apes. Instead she walked upright, planting her feet
flat on the ground, perhaps eating nuts, insects, ad small
mammals in the woods.
(There is no evidence that she used fire or communicated any more
effectively than chimpanzees.) Rather than humans evolving from an ancient chimp-like
creature, the new find provides evidence that chimps and
humans evolved from some long-ago common ancestor—but
each evolved and changed separately along the way.
"This is not that common ancestor, but it's the closest we
have ever been able to come," said Tim White, director of the
Human Evolution Research Center at the University of
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This note was uploaded on 09/26/2012 for the course BIO 200 taught by Professor Herreid during the Fall '07 term at SUNY Buffalo.
- Fall '07