Multiple choice

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

  1. Presence of hair on skin

  2. Presence of exoskeleton of scales

  3. Presence of lungs

  4. Warm blooded animals
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Aves (birds) have feathers, not scales, as their primary body covering. While they may have scales on their legs, the presence of scales is not a defining characteristic of the class Aves in the same way it is for Reptilia.

Keep practicing — related questions