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Solution


Q.

Select the correct group/set of Australian Marsupials exhibiting adaptive radiation.                [2023]
1 Mole, Flying squirrel, Tasmanian tiger cat  
2 Lemur, Anteater, Wolf  
3 Tasmanian wolf, Bobcat, Marsupial mole  
4 Numbat, Spotted cuscus, Flying phalanger  

Ans.

(4)

Adaptive radiation is the process of evolution of different species in given geographical area starting from a point and radiating to other areas of geography. Example: Australian marsupials where a number of marsupials each different from other evolved from an ancestral stock, but all within Australian island continent. Marsupial mole, numbat, spotted cuscus, flying phalanger, tasmanian wolf, tasmanian tiger cat are examples of Australian marsupials.