Question

who was the only mammal which can lay eggs and give birth to their young ones​

Answer 1

monotremes

Along with four species of echidna (a mammal that looks a bit like a porcupine), the platypus is one of only five species of monotremes in the world. Monotremes are mammals that lay eggs instead of giving birth to live young.

Hope it's helps you

Answer 2

Answer:

he y mate your answer is frog.

.

.

hope it helps you .

brainlist plz