State the modifications of forelimb in animals as an example of homology.
The forelimb of vertebrates are pentadactyl i.e. consist of same bones humerous, radius, ulna, carpals, metacarpals and phalangers but differ in their function in different organisms.
The forelimbs of the following animals got modified as shown below : $(i)$ Whale are modified for swimming. $(ii)$ Bat and birds are modified for flying. $(iii)$ Horse are modified for running. $(iv)$ Frog are modified for leaping. $(v)$ Man are modified for grasping.
Describe one example of adaptive radiation.
Lemur and Spotted cuscus exhibit
Kangaroo is a member of which order
Select the correct group/set of Australian Marsupials exhibiting adaptive radiation.
Give an example where more than one adaptive radiations have occurred in an isolated geographic
area. Name the type of evolution your example depicts and state why it is so named.