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lucy and leackeys
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Australopithecus, Homo habilis, & Homo erectus (before humans)Scientist are trying to find where humans originated on earth.
Humans emerged 200,000 yrs. ago, based on fossilized skulls.
1st human fossil bones from Europe!
Louis & Mary Leakey are archaeologists in Africa.They studied the Olduvai Gorge in Tanzania. It use to be a lake.The sediment has human remains.Volcanic ash helped fossil the bones.
the Leakeys lived in the valley in mud huts and little wood.They lived with wild animals and worked long hours using a dental pick to find fossils.
1960, they found the hand and foot bones of a 12 yr old he names Homo habilis. Radiometric dating helped find the age of a fossil. Leakey believed humans evolved from apes. He raised $ for learning.
1974, in Ethiopia, Johanson found bones that were 3.2 million yrs old. The oldest ones!Part of the skull was missing. The bones showed Lucy walked upright before the brain grew
1976, Mary found footprints in the ash that proved humans walked upright back then.The Leakey’s proved that Homo Sapiens came from a line of apes in Africa.
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