Out of the following animals: Tasmanian tiger cat,Numbat,Wolf,Bobcat,Tasmanian wolf,Flying phalanger,and Kangaroo,how many are Australian marsupials?

Which phenomenon allowed the pouched mammals of Australia to survive due to a lack of competition from any other mammals?

Assertion : Darwin's finches show a variety of beaks suited for eating large seeds,flying insects and cactus seeds.
Reason : Ancestral seed-eating stock of Darwin's finches radiated out from South American mainland to different geographical areas of the Galapagos Islands,where they found competitor-free new habitats.

Identify the odd one out.

Australian marsupials are examples of

Darwin's finches are found in .............