Three of the following four are examples of mammalia and therefore form a group. Which is the one that does not belong to that group?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. Penguin.
Mammal:
It is a vertebrate animal of the class Mammalia.
Characterized by the presence of milk-producing mammary glands for feeding their young.
Platypus, kangaroos, and flying foxes all are of Mammalia's class, whereas Penguin is not a mammal.