the are all AKOWHALES
Out of an egg. Platypuses are Monotremes.
Koalas are marsupials; therefore, they are born alive. Monotremes are the only mammals hatched from eggs, and the only monotremes are the echidna and the platypus.
Nothing can be "born" from an egg: it must be hatched. The order of mammals that lays eggs is Monotremata, or the monotremes. Platypus and Echidnas are the only monotremes, or mammals that lay eggs.
Echidnas are hatched. They are monotremes, or egg-laying mammals.
Yes, monotremes are real.
No a Blue Whale is Not a monotremes.
Monotremes never eat their young.
Monotremes are egg laying mammals, the platypus and the echidna are the only two monotremes.
Eutherians and monotremes are in the phylum Chordata.
Monotremes are mammals; therefore they have lungs, not gills.
No, monotremes do not have short internal development.
Monotremes are unique for being egg laying mammals.