Multiple choice

Which of the following is not a characteristic feature of Aves?

  1. Hollow bones

  2. Feathers on body

  3. Four chambered heart

  4. Absence of teeth

  5. Soft and moist skin
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

 Birds have scales and feathers on their body. Amphibians have soft and moist body due to presence of mucus glands in their skin.

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