Question : Which one of the following set belongs to the class Mammalia?
A. Whale, Bat, Kangaroo, Hippopotamus
B. Hippopotamus, Penguin, Whale, Kangaroo
C. Lion, Bat, Whale, Ostrich
D. Lion, Hippopotamus, Penguin, Bat
Question Listed : Whale, Bat, Kangaroo, Hippopotamus, Animals, Birds,