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Study of headlice gives clues to human evolution.

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Badboy
 
Reply Wed 6 Oct, 2004 04:27 am
A study of headlice show they originated about 1.8 million years ago,about the time HOMO ERECTUS appeared on the scene,and they evolved along with the human race.
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NickFun
 
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Reply Wed 6 Oct, 2004 07:14 am
I suspect they have been around longer than that. Give us the link to this study Boy!
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Badboy
 
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Reply Thu 7 Oct, 2004 06:42 am
They are 2 distinct genetic lines of Pediculus humanus,one is found only in the Americas,which they think probably evolved on an earlier extinct human species.

SOURCE GUARDIAN 2.
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