Paper#2 - Understanding our early(very very early ancestors...

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Understanding our early (very, very early) ancestors is a key component to understanding human evolution. The Australopithecus genus has many different species within it. There are Australopithecus: aetipicus, garhi, africanus, robustus, and anamensis. All of these species played a big part in the evolution of humans. But Australopithecus robustus and anamensis could possible have played a bigger role than any of the other species. These are the two species that will be the focus of this paper. Australopithecus robustus and anamensis are extremely different from each other and the other four species, even though they are of the same genus. But yet even with their variations, they are still to a great extent alike. Australopithecus anamensis is the “ oldest” of the Australopithecus genus dating back to about four million years ago. The first fossils of this species were found in 1965 in Lake Turkana on the borders of Kenya and Ethiopia in between two layers of volcanic ash. But it wasn’t until the 1990’s and after they found a molar that the researchers realized that they had come across Australopithecus anamensis. They were classified in the species of Australopithecus afircanus, until they decided to move them to their own species. Every Australopithecus anamensis fossil that was found was found within the general premises of Lake Turkana, with fragments of fossils showing up between Lake Turkana and Allia Bay, these two places are the two most important places for finding fossils of early hominids. Almost the entire Australopithecus genus has had some type of fossil found in this area. But for the Australopithecus anamensis, this area produced an
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This note was uploaded on 03/31/2008 for the course PHI 101 taught by Professor Pestana during the Fall '08 term at Grand Valley State.

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Paper#2 - Understanding our early(very very early ancestors...

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