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Karnataka Board PUCPUC Science 2nd PUC Class 12

Describe one example of adaptive radiation.

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Question

Describe one example of adaptive radiation.

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Solution

This process of evolution of different species in a given geographical area, starting from a point and literally radiating to other areas of geography (habitats), is called adaptive radiation. Darwin’s finches represent one of the best examples of this phenomenon. Another example is Australian marsupials. A number of marsupials, each different from the other evolved from an ancestral stock, but all within the Australian island continent. When more than one adaptive radiation appears to have occurred in an isolated geographical area (representing different habitats), one can call this convergent evolution.

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Chapter 6: Evolution - EXERCISES [Page 126]

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NCERT Biology [English] Class 12
Chapter 6 Evolution
EXERCISES | Q 8. | Page 126
Nootan Biology [English] Class 12 ISC
Chapter 7 Evidences and Theories of Biological Evolution
NCERT EXERCISES WITH ANSWERS | Q 2. | Page 351

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