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Humans and monkeys share a close evolutionary relationship. Monkeys have tails, which help them balance. Humans have tailbones but no tails. What are the likely explanations for this situation?

A. Monkeys and humans share a common ancestor.
B. The tailbone became vestigial, and the tail disappeared because humans could balance on two legs.
C. Grabbing things with their tails became difficult for humans, so their tails disappeared.
D. Monkeys rely on their tails more than humans, so monkeys have tails while humans don't.
E. Monkeys and humans don't share a common ancestor.



Answer :

GinnyAnswer

Final answer:

Humans and monkeys share a common ancestor. The absence of tails in humans is due to evolutionary changes related to bipedalism. Monkeys and humans share a close evolutionary relationship.


Explanation:

Humans and monkeys share a common ancestor. The tailbone became vestigial in humans and the tail disappeared due to the adaptation for balancing on two legs.

Monkeys rely on their tails more than humans, so monkeys have tails while humans don't. The absence of tails in humans is a result of evolutionary changes related to bipedalism, not due to difficulties in using tails.

Monkeys and humans share a close evolutionary relationship. This relationship is evident in the similarities and differences in traits between monkeys and humans, such as the presence or absence of tails.


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