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On galapagos island Darwin observed vari...

On galapagos island Darwin observed variation in beaks of birds (Dawrin's finches) and he concluded :

A

Interspecies variation

B

Intraspecies variation

C

Natural selection according to food

D

Inheritance of acquired characters

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On which islands Darwin observed many varieties of finches

While touring Galapagos islands, Charles Darwin came across some birds which exhibited variation in beaks due to variation in feeding habits. Which birds were these?

Knowledge Check

  • The original variety of beak in Darwin's finch was:

    A
    Seed-eating
    B
    Cactus-eating
    C
    Insectivorous
    D
    Fruit eating

  • Birds of Galapagos islands were named Darwin's finches by

    A
    Darwin
    B
    Wallace
    C
    Dr.David Lack
    D
    Hugo de vries

  • Which of the following is correct about Darwin? I. Darwin started travelling in 1831 by HMS Beagle. II. Darwin found a living laboratory of evolution in Galapagos island. III. Darwin wrote the book 'Origin of Species'. IV Darwin's work was published with TR Malthus.

    A
    I and II
    B
    III and IV
    C
    III and IV
    D
    I, II and III

    • Similar Questions

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    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

    Study the figure and answer the following (a)Write your observations on the variations seen in the Darwin's finches shown above . (b)How did Darwin explain the existance of different varietie of finches on Galapagos Islands ?

    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 finch species of Galapagos island are grouped according to their food sources. Which of the following is not a finch food

    The original birds were ______ from which the various Darwin's finches arose.

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