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What was life like in the Great Plains region 10 million years ago?
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The Great Plains, a huge area in the Western United States and Canada, 10 million years ago was an eastward sloping depositional plain surmounted by a few mountain masses. Most interestingly, back then about a dozen species of what we would understand to be horses inhabited the plain. Some of these include the species Dinohippus, a single toed "horse" that grazed on grass as horses do today, Hypohippus, a two-toed "horse" that unlike the modern species, ate leaves, and a three toed "horse" Nannippus which ate both grass and leaves. All horses in North America became extinct at the end of the last ice age, about 10,000 years ago.
Posted by enotechris on May 17, 2011 at 6:52 AM (Answer #1)
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