Question

why human don't have tail?

Answer 1

When human hadn't evolved into human and was still an ape, it had a tail.But when it came to the ground, it didn't need a tail as it started walking on two legs and adopted itself to without tails.

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Answer 2

Humans do have a tail, but it’s for only a brief period during our embryonic development. It’s most pronounced at around day 31 to 35 of gestation and then it regresses into the four or five fused vertebrae becoming our coccyx. In rare cases, the regression is incomplete and usually surgically removed at birth.



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