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Unformatted text preview: unters. of 4) Increased use of tools and fire 1) 0% 1) 0% 0% 2) 3) 30 0% 4) Summary 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 Cali...
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