To understand how herbivores responded to the dramatic shift in the East African vegetative landscape, scientists have studied a series of fossil teeth from the ancient ancestors of zebras, rhinos, giraffes and other animals that roamed the region between 10 and three million years ago.
Source: http://www.cosmosmagazine.com/news/4195/fossil-teeth-show-who-hit-hay-first
Elisabeth Röhm Elisha Cuthbert Eliza Dushku Emilie de Ravin Emma Heming Emma Stone Emma Watson
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