Dwarfism Caused by Global Warming Millions of Years Ago Could Happen Again

November 5, 2013 by  
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The first record of mammals shrinking significantly in size was 55 million years ago during a 200,000 year period known as the Paleocene-Eocene Thermal Maximum (PETM). Now,  University of Michigan paleontologist  Philip Gingerich  has discovered that another period of shrinking occurred 2 million years later during the Eocene Thermal Maximum 2 (ETM2). The discovery that this evolutionary reaction to extreme global warming has already happened twice has led scientists to believe that it could happen again if temperatures on Earth continue to increase as they have been. Read the rest of Dwarfism Caused by Global Warming Millions of Years Ago Could Happen Again Permalink | Add to del.icio.us | digg Post tags: animal dwarfism , early primates , fossil discovery in Wyoming’s Bighorn Basin , fossilized jaw bones and teeth , mammalian dwarfism , palaeontologist Philip Gingerich , prehistoric horses and deer        

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Dwarfism Caused by Global Warming Millions of Years Ago Could Happen Again

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