The phenomenon of evolution of different species in a given geographical area starting from a point and spreading to other habitats is called

On what basis do Darwin's finches differ from each other?

Which scientist explained adaptive radiation from his study on Galapagos Island?

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

Given below are two statements with respect to homologous organs.
Statement $I$: These organs are structurally similar but perform different functions.
Statement $II$: Differences in homologous organs are examples of adaptive radiation.
In the light of the above statements,choose the correct option from the list given below.

The finches of Galapagos islands provide evidence in favor of which of the following?