Fishes are

  • A
    Homoiothermic
  • B
    Poikilothermic
  • C
    Both $(a)$ and $(b)$
  • D
    None of these

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Similar Questions

Which of the following structures is not associated with fish scales?

State the adaptive features of the class $Chondrichthyes$.

Which of the following has a cartilaginous and fibrous endoskeleton?

Assertion: Cartilaginous fish swim constantly to avoid sinking.
Reason: In cartilaginous fishes, the air bladder is absent.

Cartilaginous fishes do not have

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