Lucy - K r isten Walsh Core Science December 6 2009 Extra...

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Kristen Walsh Core Science December 6, 2009 Extra credit Anthropology: Lucy Lucy was discovered in 1974 at Hadar in the Awash Valley of Ethiopia’s Afar Depression. Lucy is estimated to have lived 3.2 million years ago. She is a nearly 40% complete skeleton of an Australopithecus afarensis specimen. The discovery of Lucy was very significant to the scientific world because the skeleton shows evidence of small skull capacity akin to that of apes and the bipedal upright walk akin to that of humans. This provided further evidence that bipedalism preceded increase in brain size in human evolution. French geologist, Maurice Taieb discovered the Hadar Formation in 1972. Over three weeks, several hundred pieces or fragments of bone were found, with no duplication, configuring their original speculation that they were from the one skeleton. Usually only fossil fragments are discovered; rarely are skulls or ribs intact. However, about 40% of a hominin skeleton had been recovered. This was an astounding accomplishment in the
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Lucy - K r isten Walsh Core Science December 6 2009 Extra...

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