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]]> By: Weise Ente http://www.beardodgers.com/bear-dodgers/how-did-polar-bears-survive-the-earths-previous-warmingcooling-cycles/comment-page-1/#comment-106 Weise Ente Mon, 07 Jun 2010 09:52:53 +0000 http://www.beardodgers.com/bear-dodgers/how-did-polar-bears-survive-the-earths-previous-warmingcooling-cycles/#comment-106 Polar bears are a rather recent species (<200,000 years). They've never faced an extremely warm period with no sea ice. Polar bears are a rather recent species (<200,000 years). They’ve never faced an extremely warm period with no sea ice.

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