Monotremes were the first mammals, then marsupials who carry their young in pouches then true mammals came last and overwhelmed the other two. Why Australia has most of the marsupials on Earth and the only two living members of the monotremes left in the world. Monotremes still lay eggs.
kmwtigger about 8 years ago
uh, not quite, Ruthie.
pschearer Premium Member about 8 years ago
Do they eat hmallows?
Night-Gaunt49[Bozo is Boffo] about 8 years ago
Monotremes were the first mammals, then marsupials who carry their young in pouches then true mammals came last and overwhelmed the other two. Why Australia has most of the marsupials on Earth and the only two living members of the monotremes left in the world. Monotremes still lay eggs.