Which one of the following characteristics is not shared by birds and mammals?

  • A
    Viviparity
  • B
    Warm-blooded nature
  • C
    Ossified endoskeleton
  • D
    Breathing using lungs

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Similar Questions

Which of the following is a unique characteristic of the class $Mammalia$?

Which one of the following characters is not typical of the class $Mammalia$?

$S$ - Statement: The duck-billed platypus is a mammal.
$R$ - Reason: Mammals are viviparous.

‘Bat’ is classified as a mammal because

Typically,all mammals have seven cervical vertebrae,except in:

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