There are two, the echidna and the duck billed platypus.
Chicken is oviparous as it lays egg which later on develops in an embryo. In viviparous condition the new organism is directly delivered from the mother an in case of mammals.
Ovoviviparity, ovovivipary, or ovivipary, is a mode of reproduction in animals in which embryos develop inside eggs that are retained within the mother's body until they are ready to hatch. Oviviparous describes animal that is concieved and born in this way.
they are oviviparous so they can lay up to 20 eggs.
Yes, all mammals have a skeleton.Yes, all mammals have a skeleton.Yes, all mammals have a skeleton.Yes, all mammals have a skeleton.Yes, all mammals have a skeleton.Yes, all mammals have a skeleton.
Mammals. Mammals.
Mammals Have Hair Or Fur, Non-Mammals Don't.
We are mammals, and mammals are one category of animal, so we are both animals and mammals.
yes, badgers are mammals
Sharks are NOT mammals.
No, all sea animals are not mammals. Fishes are not mammals, but dolphins are mammals.
Most Australian mammals are marsupials unlike American mammals.
Yes, they are placental mammals. Most mammals are placental. The other two options are marsupial mammals (mammals with a pouch) and monotreme mammals (mammals that lay eggs).