Question

Are all mammals viviparous?

Answer 1

Explanation:

Humans, dogs, and cats are viviparous animals. Viviparous animals differ from egg-laying animals, such as birds and most reptiles. ... The time between fertilization and birth of viviparous animals is called the gestation period. All mammals except the platypus and the echidnas are viviparous

Answer 2

Answer:

Nope.... some exceptions are always there bro..... like platypus etc