Dietary changes accompanied human evolution
Fossil tooth chemistry confirms that hominids moved toward eating grasses, away from tree leaves
By Rachel Ehrenberg, 19:10 PM June 3, 2013
The salad days of human evolution saw a dietary shift toward grasses and probably grass-fed animals, analyses of more than 100 fossilized teeth from eight species of ancient hominids indicate.
“These changes in diet have been predicted,” says paleoanthropologist Richard Klein of Stanford University. “But it’s very nice to have some data, and these data support it very strongly.”
Changes in the size and shape of jaws and teeth in both ancient hominids and their ape relatives point to change...
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