Human Evolution In Africa


Humans, as we consider ourselves, evolved in Africa. Not entirely, but from early primates to our present state. Many people dispute this fact, despite astounding evidence supporting the theory, for various reasons. Showing all the genetic, paleological, and geological proof, I find it very hard indeed to contradict the evidence.
True, humans didn’t evolve entirely in Africa. As a matter of fact the first known ancestors of humans where found in North America, in the Utah Valley. These animals where nothing more than a shrew in the shadow of the dinosaurs. However, with the event that killed the dinosaurs, they where finally allowed to reproduce and spread. At this time, ...

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Africa had just split from marsupial overrun Gondwanaland. About a million years later it reached the Middle East, and primates moved in. By now the world had cooled enough that the primates in Europe had been decimated to near extinction. They also migrated south, for the Mediterranean Sea was at that time dry lowland. Now almost all of the primates left in the world were in Africa, and the only marsupial that wasn’t wiped out was the opossum. Primates and large cats now ruled, with rodents scarce, which meant that the primates had to adapt to keep from becoming lunch. In light of this, natural selection shows only those primates with larger bodies and higher intelligence survived.
The once rodent sized primates, lemurs, now only exist in Madagascar, which had separated from Africa in the early Eocene Epoch, and where there were no predators to be found. In most of Africa, however, the primates got larger. They shifted evolutionary gears to start becoming apes and ...

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"Human Evolution In Africa." Essayworld.com. March 19, 2005. Accessed September 21, 2018. http://www.essayworld.com/essays/Human-Evolution-In-Africa/23964.
"Human Evolution In Africa." Essayworld.com. March 19, 2005. Accessed September 21, 2018. http://www.essayworld.com/essays/Human-Evolution-In-Africa/23964.
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PAPER DETAILS
Added: 3/19/2005 05:53:36 PM
Category: Science & Nature
Type: Premium Paper
Words: 829
Pages: 4

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