1.

How do Darwin’s finches illustrate adaptive radiation?

Answer»

Darwin during his journey to Galapagos Islands observed that there were many varieties of small black birds later called Darwin’s finches. 

  •  All the varieties he conjectured, evolved on the island itself. 
  • From the original seed-eating features, many other forms with altered beaks arose, enabling them to become insectivorous and vegetarian finches. 
  •  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.


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