US EditionChanges in diet drove physical evolution in early humans
AFRICA, JUL 31 – Dartmouth researchers show early humans shifted to eating tough grasses and underground plants millions of years before their teeth evolved to handle these foods efficiently.
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Changes in diet drove physical evolution in early humans
As early humans spread from lush African forests into grasslands, their need for ready sources of energy led them to develop a taste for grassy plants, especially grains and the starchy plant tissue hidden underground.
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Hominids began consuming herbaceous plants before having the ideal dentures for it, according to a study that provides the first evidence of the fossil record on behavioral impulse.
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