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'Ardi' skull reveals links to human lineage
Date:1/6/2014

ture and bipedality causing a shift in the poise of the head on the vertebral column? If so, does the humanlike cranial base of Ar. ramidus confirm postcranial evidence for partial bipedality in this species? Or, do the changes tell us about the shape of the brain (and of the base on which it sits), perhaps an early sign of brain reorganization in the human lineage? Both alternatives will need to be re-evaluated in light of the finding that Ardi does indeed appear to be more closely related to humans than to chimpanzees.

"The Ardi cranial base fills some important gaps in our understanding of human evolution above the neck," adds Kimbel. "But it opens up a host of new questionsjust as it should!"


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Contact: Julie Russ
jruss@asu.edu
480-338-1733
Arizona State University
Source:Eurekalert  

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'Ardi' skull reveals links to human lineage
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