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Fingernails are essentially flattened versions of claws, and they evolved in all primates — including humans — to support broad fingertips, says UW-Madison anthropology professor John Hawks.
Monkeys, apes and lemurs spend a lot of time in trees, and broad fingertips help give them the strong grip needed to climb trunks and hang underneath branches.
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You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$You can leave an optional "tip" with Mahalo's virtual currency, Mahalo Dollars. If you are asking a difficult question that might require some research, or if you'd like a wide variety of feedback, a higher tip often leads to more answers to your question.
M$