Fossils Could Force Rethink of Human Evolution


	Fossils Could Force Rethink of Human Evolution

shankargallery

8-10-2007 10:24 AM

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evolution

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/a2270c7a-27f2-41e4-b193-39fd5c3f9e75/6E40FED4-C8C7-4F6E-8701-3D937D5C37A7/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.livescience.com/health/070808_homo_coexist.html" href="http://www.livescience.com/health/070808_homo_coexist.html" style="font-size: 11px;">www.livescience.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/health/070808_homo_coexist.html"><H2 class="article">Fossils Could Force Rethink of Human Evolution</H2></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/health/070808_homo_coexist.html"><P class="article">By <A href="http://www.livescience.com/php/contactus/author.php?r=kt">Ker Than</A>, LiveScience Staff Writer</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/health/070808_homo_coexist.html"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.livescience.com/img/80D9CF0A-A5F7-450B-A456-FD512628F27A" alt="" /></div></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/health/070808_homo_coexist.html"><P>
Long before  humans and Neanderthals lived side by side in Europe, two other species of  early humans were coexisting in Africa, a  controversial new study claims.
</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/health/070808_homo_coexist.html"><P>
Ian  Tattersall, a paleoanthropologist at the American  Museum of Natural History in New York City, said the new fossils support existing  evidence that more than one species of <EM>Homo</EM>,  the genus to which our species belong, inhabited Africa  about 1.5 million years ago.
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<EM>H. habilis</EM> is the earliest known member of the genus <EM>Homo</EM>. And <EM>H. erectus</EM> was the first human ancestor to resemble modern humans. Due to the many overlaps in their anatomy, it was previously thought that <EM>H. erectus</EM> was descended from<EM> H. habilis. </EM>While  that might still be the case, the new findings open the possibility that the <EM>H. habilis</EM> and <EM>H. erectus</EM> once shared a common ancestor from whom they split.
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