Q. 215.0( 1 Vote )

Skeleton is made entirely of cartilage in:
A. Sharks

B. Tuna

C. Rohu

D. None of these

Answer :

Some fishes entirely different from others have a skeleton made up of cartilage and not bones. This helps the cartilaginous fishes such as sharks to reduce their weight and making it easier for them to swim at faster speeds with less energy being consumed.


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