During evolution of man many changes have taken place in his ancestral characters. Which one of foll

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6.Evolution

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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

(AIPMT-1994) (AIPMT-1996)

Solution

It's Obvious

Standard 12

Biology

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