Neither. Possums, or at least true possums, which are found in Australia, are marsupials.
Yes, the possum is a marsupial mammal.
Mammal
The possum is a mammal; specifically, it is a marsupial.
Yes, an opossum is a marsupial, in fact the largest order of marsupials.
It belongs to the marsupial group.
No. A possum is a marsupial. The only monotremes are the platypus and the echidna.
marsupial
A marsupial is a mammal.A deer is not a marsupial, which is a sub-group of the mammal classification. A deer is known as a placental mammal, or Eutherian.
The Leadbeater's possum is a native marsupial of Australia.
An ibex is not a marsupial. It is a placental mammal.
A wallaroo is a marsupial.
An elephant is a mammal, not a marsupial.
Wombats do not hibernate. Wombats shelter in burrows or hollow logs, but they do not hibernate. The only Australian marsupial or mammal that hibernates is the mountain pygmy possum.
A mammal which is not a marsupial or a monotreme is called a placental mammal. There is no opposite to a marsupial. An animal is either a marsupial or it is not. Marsupial is the term given to any mammal of the order Marsupialia whose young are born in an immature state and continue development in the "marsupium" (or pouch).