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Author Topic:   Human - Chimp split 4 million years ago?
Carson O'Genic
Junior Member (Idle past 6143 days)
Posts: 20
From: San Francisco, CA
Joined: 08-15-2005


Message 16 of 33 (408684)
07-04-2007 3:48 AM
Reply to: Message 15 by whaler777
05-25-2007 11:02 PM


I'll try to steer back on topic here.
"And as far as the Chimp theory goes, what force was in place to decide so many chimps would become human and are there angry chimps out there because they weren't selected? If this force was evident then why doesn't it do it again?"
4 million years is the estimate for the common ancestor for chimps and humans. In that time chimps and humans have both evolved. My understanding is that there is not a lot of fossil record for chimps and apes, mostly due to the fact that animals that live in tropical forests are not as likely to fossilize well. If anyone knows of a good candidate for the common chimp/human ancestor I'd like to know. I've found Orrorin tugenensis and Sahelanthropus tchadensis at wikipedia which are a bit older than 4 million years. Some of the Australopithecus species are about 4 million years old, so maybe they were the common ancestor or closely related. Either way, none of these fossil species are like modern chimps. Chimps did not become humans is the point.
Second, the force that made us is still at work- natural selection. It laid waste to many species of humanoids, and probably a good number of apes, over the last 4 million years. Meanwhile today, humans are still breeding like mad and most of the apes are having a hard time surviving. Mother Nature can be a real bitch.

This message is a reply to:
 Message 15 by whaler777, posted 05-25-2007 11:02 PM whaler777 has not replied

  
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