SSC Ecology And Environment Sample Paper NCERT Sample Paper-2

  • question_answer
    Diversity in the type of beaks of finches adapted to different feeding habits on the Galapagos Islands, as observed by Darwin, provides evidence for

    A)  Origin of species by natural selection

    B)  Intraspecific variations

    C)  Intraspecific competition

    D)  Interspecific competition

    Correct Answer: A

    Solution :

    [a] Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in heritable traits of a population over time-

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