Multiple choice

Whale belongs to which class?

  1. Reptilia

  2. Mammalia

  3. Aves

  4. Pisces
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Whales are marine mammals, not fish. They possess mammalian characteristics: they breathe air through lungs, have hair (at some life stage), nurse their young with milk, and are warm-blooded. Their ancestors were land-dwelling mammals.

Keep practicing — related questions