MCQ
Similar characteristic among whale and crocodile is that.
  • A
    They both are cold-blooded organisms.
  • B
    They both are warm-blooded organisms.
  • C
    Their heart is $3-$chambered.
  • Their heart is $4-$chambered.

Answer

Correct option: D.
Their heart is $4-$chambered.
Reptiles and mammals have four chambers in the heart.

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