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RE: Needless to say...

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Posted by: hermanbronsgeest at Mon Jun 9 04:36:33 2014  [ Report Abuse ] [ Email Message ] [ Show All Posts by hermanbronsgeest ]  
   

By definition, an intergradation zone becomes established by secondary contact, implying it can only be a temporary situation. Populations become disconnected by areal contraction, or the zone becomes a cline. But it won't last for thousands of years, either way.
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