Multiple choice

Forelimbs are modified for flight in _______.

  1. pisces

  2. reptiles

  3. amphibia

  4. aves

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Aves (birds) have outside covering of feathers, and two forelimbs (either of the two front limbs of four-limbed vertebrates) are modified for flight.