The process of evolution of different species in a given geographical area starting from a point and radiating to other geographical areas is called .........

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 original birds were . . . . . . ,from which the various Darwin's finches arose.

Marsupials and Australian placental mammals exhibit convergent evolution. Explain how?

The finches of Galapagos islands provide an evidence in favour of

The diversity in the type of beaks of finches adapted to different feeding habits on the Galapagos Islands,as observed by Darwin,provides evidence for: