Do egg-laying mammals nourish their young with milk?
Yes. Both platypuses and echidnas, which are the only egg-laying mammals (monotremes) nourish their young with mothers' milk. This is the defining characteristic of a mammal.
What animal nourishes developing young inside the mothers body and provides milk for after its born?
Yes, a gorilla is a mammal. The special things about mammals are: --they bear live young (don't lay eggs). --the females make milk to feed their young. --they have hair or fur. Yes, a gorilla is a mammal. Yes. they are mammals Yes. Yes, gorillas are mammals. A mammal is a viviparous (with the exception of monotremes) vertebrate of the Class Mammalia. Mammals produce milk the nourish their young, and are covered in hair (sometimes…
Mammals, along with birds, are warm-blooded. Along with reptiles and birds, they are amniotes. Mammals are unique among vertebrates in that they have hair somewhere on their bodies, feed their young with milk, and give live birth (except for the five species of monotremes). Placental mammals (about 90% of mammals) are unique in that they nourish their young in a placenta before giving birth.