Home
Class 12
BIOLOGY
Assertion : Darwin's finches show a vari...

Assertion : Darwin's finches show a variety of beaks suited for eating large seeds, flying insects and cactus seeds.
Reason : Ancestral seed-eating stock of Darwin's finches radiated out from South American mainland to different geographical areas of the Galapagos Island, where they found competitor-free new habitats.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
A
Darwin studied the flora and fauna of Galapagos island a chain of island at the west coast of South America. Then he found an amazing range of creature existing. He found that there were many verities of small black birds in these islands which differed mainly in the shape of beaks and feeding habits. Those verities of small black birds were later called Darwin finches.
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion : Darwin's finches show a variety of beaks and cactus seeds. Reason : Ancestral seed-eating strock of Darwin's finches radiated out from South American mainland to different geographical areas of the Galapagos Island, where they found competitor-free new habitats.

Assertion: Darwin's finches of Galapagos islands have different types of modified beaks according to their food habits. Reason: Adaptive radiation, leads to development of different functional structure from a common ancestral form.

Assertion :- The original drifted population in new habitat becomes founder and the effect is called founder effect. Reason :- Darwin finches of Galapagos island shows adaptive radiation.