Question

Compare and contrast convergent and divergent evolution.

Which of the following combinations is a correct example of convergent evolution in Australian marsupials and Placental mammals ?

In his observations of small black birds in the Galapagos Islands, Darwin found that all the finches arose from the original ancestor :

(a) "The process of evolution of different species in a given geographical area starts from a point and literally radiates to other geographical areas." Explain it with an example. (b) Cite an example where more than one adaptive radiation has occurred in an isolated geographical area. Name the type of evolution your example depicts.