No, but very few marsupials do not have pouches. These include the numbat and the red-tailed phascogale.
No, male marsupials do not have pouches. Only female marsupials have pouches to carry and nurse their young.
No. Marsupials have pouches. Marsupials include kangaroos, koalas, wallabies and so on.
They do not have pouches as they are not marsupials.
Only the marsupials have pouches, and not all of these do actually have an abdominal pouch.See the related question.
Koalas and kangaroos are both mammals with pouches in which they rear their young. They are marsupials, and almost all species of marsupials have a pouch for this purpose.
Marsupials have baby pouches. Kangaroos, wallabies, possums, and some others.
No. Only marsupials have pouches. Birds lay eggs.
No. Skunks are placental mammals, not marsupials, so they do not have pouches.
Most animals with pouches belong to the group of mammals known as "marsupials". However, not all marsupials have pouches, and not all animals with pouches are marsupials. The echidna, for example, develops a rudimentary pouch during the breeding season.
Almost all marsupials have pouches, even though some species have little more than a flap of skin. One notable exception is the numbat.
No. Mice are placental mammals, not marsupials.
No. Lemurs are placental mammals, not marsupials, so they do not have pouches.