Question

10. Sharks are killers of the deep seas.
Which of the following is a characteristic
of sharks?
(A) They are bony.
(B) They are cartilaginous.
(C) They are mostly warm-blooded.
(D) Gill slits are covered.​

Answer 1

Answer:

I think answer is C

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Answer 2

Answer:

ANSWER

Cartilaginous fish are fish that have a skeleton made of cartilage, rather than bone. Cartilaginous fish include sharks, rays, skates and chimaeras. The cartilages are tough and flexible and provides enough structural support to allow these fish to grow to very large sizes.

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