Mention the specific geographical region where these organisms are found.
Name and explain the phenomenon that has resulted in the evolution of such diverse species in the region.
Explain giving reason the existence of placental wolf and Tasmania wolf sharing the same habitat.

Explanation

Australia
Adaptive radiation (Divergent evolution) . The process of evolution of different species in a given geographical area starting ,from a point and literally radiating to other areas of geography (habitats) is called adaptive radiation. It is the development of different function structures from a common ancestral form.
Placental wolf and Tasmanian Wolf share similar habitat due to convergent evolution and evolved into unrelated groups of organisms. Koala