Human Family Tree Now a Tangled, Messy Bush


	Human Family Tree Now a Tangled, Messy Bush

jjsnlee

9-1-2007 1:16 AM

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tags:

evolution, homo sapiens, geologic time, fossil record

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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://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/d89dacaa-d07a-4e42-b5eb-592b548f241f/CD2A7DF2-4E64-49C1-A2B9-3E3506444BE1/" 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/php/multimedia/imagedisplay/img_display.php?pic=060508_human_evolution_02.jpg&cap=The+timeline+of+human+evolution+is+long+and+controversial%2C+with+significant+gaps.+Experts+do+not+agree+on+many+of+the+start+and+end+points+of+various+species.+So+this+chart+involves+significant+estimates.+And+on+this+scale%2C+it+is+difficult+to+show+that+Neanderthals+have+been+gone+for+some+40%2C000+years.&title=Human+Family+Tree+Now+a+Tangled%2C+Messy+Bush&title=Human%20Family%20Tree%20Now%20a%20Tangled,%20Messy%20Bush" href="http://www.livescience.com/php/multimedia/imagedisplay/img_display.php?pic=060508_human_evolution_02.jpg&cap=The+timeline+of+human+evolution+is+long+and+controversial%2C+with+significant+gaps.+Experts+do+not+agree+on+many+of+the+start+and+end+points+of+various+species.+So+this+chart+involves+significant+estimates.+And+on+this+scale%2C+it+is+difficult+to+show+that+Neanderthals+have+been+gone+for+some+40%2C000+years.&title=Human+Family+Tree+Now+a+Tangled%2C+Messy+Bush&title=Human%20Family%20Tree%20Now%20a%20Tangled,%20Messy%20Bush" 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/php/multimedia/imagedisplay/img_display.php?pic=060508_human_evolution_02.jpg&cap=The+timeline+of+human+evolution+is+long+and+controversial%2C+with+significant+gaps.+Experts+do+not+agree+on+many+of+the+start+and+end+points+of+various+species.+So+this+chart+involves+significant+estimates.+And+on+this+scale%2C+it+is+difficult+to+show+that+Neanderthals+have+been+gone+for+some+40%2C000+years.&title=Human+Family+Tree+Now+a+Tangled%2C+Messy+Bush&title=Human%20Family%20Tree%20Now%20a%20Tangled,%20Messy%20Bush"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/www.livescience.com/img/A41AF0B5-E296-4289-8AB0-9F9A9149685C" 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/php/multimedia/imagedisplay/img_display.php?pic=060508_human_evolution_02.jpg&cap=The+timeline+of+human+evolution+is+long+and+controversial%2C+with+significant+gaps.+Experts+do+not+agree+on+many+of+the+start+and+end+points+of+various+species.+So+this+chart+involves+significant+estimates.+And+on+this+scale%2C+it+is+difficult+to+show+that+Neanderthals+have+been+gone+for+some+40%2C000+years.&title=Human+Family+Tree+Now+a+Tangled%2C+Messy+Bush&title=Human%20Family%20Tree%20Now%20a%20Tangled,%20Messy%20Bush"><P>The timeline of human evolution is long and controversial, with significant gaps. Experts do not agree on many of the start and end points of various species. So this chart involves significant estimates. And on this scale, it is difficult to show that Neanderthals have been gone for some 40,000 years.</P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/CD2A7DF2-4E64-49C1-A2B9-3E3506444BE1/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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