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Climate change may have driven evolution, scientists believe
12-27-2012, 06:18 PM #1
KILLUMINATI Made Ya Look!!
Posts:4,764 Threads:1,046 Joined:Jun 2012
İmage

The early landscape shifted between woodland to grassland half a dozen times over 200,000 years, meaning man had to adapt to survive.

Experts from Penn State university say that this may have set the tone for the rapid evolution which then took place.

Writing in the Proceedings of the National Academy of Sciences, Clayton Magill said: "The landscape early humans were inhabiting transitioned rapidly back and forth between a closed woodland and an open grassland about five to six times during a period of 200,000 years.

"These changes happened very abruptly, with each transition occurring over hundreds to just a few thousand years."

The findings appear to contradict previous theories which suggest evolutionary changes were gradual, and in response to either long and steady climate change or one drastic change.

Professor Katherine Freeman said: "There is a view this time in Africa was the 'Great Drying,' when the environment slowly dried out over 3 million years.

read more: http://www.telegraph.co.uk/earth/environ...lieve.html
12-27-2012, 07:15 PM #2
Octo Mother Superior
Posts:43,366 Threads:1,483 Joined:Feb 2011
It's in the nature of climate to change and I guess the option humans have always had is to either adapt or die.
12-27-2012, 08:29 PM #3
JayRodney ⓐⓛⓘⓔⓝ
Posts:31,574 Threads:1,444 Joined:Feb 2011
By that account we should evolve into, as Al Gore put it... "The best educated Americans in the world." chuckle.gif

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12-28-2012, 12:39 AM #4
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