No. An opossum is a marsupial.
There are just three species of monotreme: the platypus, the short-beaked echidna and the long-beaked echidna.
if a opposum is hit by a car another opposum is likely to come along and eat it (and possibly get hit by a car) I don't know other natural predators
A baby opposum is called a joey.
omnivore
No, they are a marsupial and not a monotreme. There are only 2 members in the monotreme category which are the echidna and the platypus.
A monotreme is a mammal that lays eggs.
A platypus is a monotreme.
opposum
The cousin is the Koala.
opposum
The echidna is a monotreme which eats ants.
The platypus is a monotreme mammal.
That is the correct spelling of "monotreme" (a mammal that lays eggs).