Yes. They are mammals.
Yes. Koalas are marsupials, and all marsupials give birth to live young.
Yes. Koalas are marsupials, and all marsupials give birth to live young.
Both placental mammals and marsupials give birth to live young.
No. The only mammals hatched from eggs are platypuses and echidnas. Wombats are marsupials; therefore they give birth to live young.
No. As they are marsupials, kangaroos give birth to live young.
No. Dunnarts are marsupials, so they give birth to live young.
Yes. Wombats are marsupials and all marsupials give live birth.
Yes. They are placental mammals, all of which give birth to live young. Kangaroo rats are not the same as rat kangaroos, which are Australian marsupials (and also give birth to live young).
No because they give birth to live young that are bigger than a pea
Marsupials do not "lay" anything. They give birth to live young. These young are very undeveloped, so they must continue their growth and development in the mother's pouch.
No. All marsupials have pouched they carry their young in called marsupium. Duck billed platypus lay eggs and do not have pouches or give birth to live young like marsupials
No. Possums are not monotremes (egg-laying mammals) but marsupials. They give birth to live young.