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lucy and leackeys
Updated: 10/28/2019
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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