A) characteristic of birds
B) not of much use today
C) helpful in locomotion
D) common
Correct Answer: B
Solution :
Vestigial organs are non-functional organs in an organism, which are functional is related animals and were functional in the ancestors, but no of much are today. There are 90 vestigial organs in the human body and mainly include-coccyx, nictitating membrane, caecum, vermiform appendix, canines, wisdom teeth, body hair etc.
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