Select the correct group/set of Australian marsupials exhibiting adaptive radiation.

Numbat, spotted cuscus, flying phalanger are Australian marsupials exhibiting adaptive radiation.
Adaptive radiation is the process in which a single ancestral species gives rise to a variety of species with different adaptations to exploit various ecological niches.
In the context of Australian marsupials, the numbats, spotted cuscus, and flying phalanger are examples of marsupials that have undergone adaptive radiation. They evolved different adaptations to exploit various ecological niches in their environment.
(1) Lemur and wolf are not marsupials, but placental mammals.
(2) Bobcat is not a marsupial, but a placental mammal. The Tasmanian wolf (also known as the thylacine) and
Marsupial mole are indeed Australian marsupials. Therefore, this group does not consist solely of Australian
Marsupials.
(4) Flying squirrels are not marsupials; they are placental mammals.