Explain adaptive radiation with the help of a suitable example

cbse
evolution

#1

a. Explain adaptive radiation with the help of a suitable example.
b. Cite an example where more than one adaptive radiation have occurred in an isolated geographical area. Name the type of evolution your example depicts and state why it is so named.


#2

a. Darwin’s finches/black birds evolved from original seed eating features into insectivorous & vegetarian features in different habitat/islands.
b. Australian marsupials and placental mammals.
Convergent evolution, more than one adaptive raditation occurred in isolated geographical area.