Question

What is the difference between mammals and viviparous animals?

Answer 1

Mammals are those organisms which have mammary glands

Viviparous also has mammary glands but they give birth to young ones

Answer 2

Mammals are viviparous animals that give bieth birth to young ones and feed them up with their own milk are called viviparous and that are mammals too bat is a only mammal that fly and platypus is the only mammal that lay egg but it lactate its young ones