Home
Class 12
BIOLOGY
Assertion: Darwin's finches of Galapagos...

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.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    NCERT FINGERTIPS|Exercise Environmental Issues|142 Videos

  • HUMAN HEALTH AND DISEASE

    NCERT FINGERTIPS|Exercise Human Health And Disease|177 Videos

Similar Questions

Explore conceptually related problems

Presence of different types of beaks in finches of Galapagos Islands adapted to different feeding habit provides evidence for

Assertion :- Darwin's finches are calssical example of natural selection. Reason :- Darwin explained that beak sizes and shape in finches varied according to food habit fo different finches.

Darwin studied finches different in shape and size of beak. These birds represent one of the best examples of adaptive radiation.

Darwin on his vogage to Galapagos Islands had observed finches having different varieties of beaks. Write the explanation he have for his observations and conclusions he arrived a

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 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.

The diversity in the type of beaks of finches adapted to different feeding habits on the galapagos islands, as observed by Darwin provides evidence for

NCERT FINGERTIPS-EVOLUTION-Evolution
  1. The most accepted line of descent in human evolution is

    Text Solution

    |

  2. Which of the following is an example for link species?

    Text Solution

    |

  3. Match the scientists listed under Column 'A' with ideas listed under c...

    Text Solution

    |

  4. In 1953 S.L. Miller created primitive earth conditions in the labortor...

    Text Solution

    |

  5. Variations during mutations of meiotic recombinations are

    Text Solution

    |

  6. Assertion: Louis pasteur showed that in flask open to air, new living ...

    Text Solution

    |

  7. Assertion: Primitive atmosphere was of reducing type. Reason: First ...

    Text Solution

    |

  8. Assertion: Thoms and tendrislls of Bougainvillea and Cucurbita represe...

    Text Solution

    |

  9. Assertion: Moths living in the industrial areas became dark to match b...

    Text Solution

    |

  10. Assertion: Evolution is not a directed process in sense of determinism...

    Text Solution

    |

  11. Assertion: The embryos of fish, salamander, tortoise, chick and a man,...

    Text Solution

    |

  12. Assertion: Darwin's finches of Galapagos islands have different types ...

    Text Solution

    |

  13. Assertion: Adaptive ability is inherited. Reason: Fitness is the end...

    Text Solution

    |

  14. Assertion: Evolutionary trend is continous changes of character in a ...

    Text Solution

    |

  15. Assertion: hardy-weinberg principle explains the variations occuring i...

    Text Solution

    |

  16. Assertion: Founder effect may lead to formation of new species. Reas...

    Text Solution

    |

  17. Assertion: Genetic drift refers to changes in the allele frequency occ...

    Text Solution

    |

  18. Assertion: Disruptive selection changes the population towareds one pa...

    Text Solution

    |

  19. Assertion: Neanderthal man is the intermediate between Ramapithecus an...

    Text Solution

    |

  20. Assertion: The chimpanzee is the closest relative of the present day h...

    Text Solution

    |