The presence of feathers and the power of flight are characteristic features of:

  • A
    Aves
  • B
    Reptilia
  • C
    Mammals
  • D
    Amphibians

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Which of the following is a flightless bird?

Which of the following is true of $Aves$?

What is present in birds for grinding and crushing food?

$A$ pigeon in the absence of down feathers will not be able to:

Assertion : Birds have one ovary.
Reason : This reduces the body weight for flight.

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