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During evolution of man many changes hav...

During evolution of man many changes have taken place in his ancestral characters. Which one of the following is an unsignificant change

A

Change of diet from hard tough fruits and roots into soft food

B

Qualitative improvement in the structure of hands skills for making tools

C

Disappearance of tail

D

Improvement in speech for communication and social behaviour

Text Solution

Verified by Experts

The correct Answer is:
C
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