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10th Class Science Solved Paper - Science-2015 Delhi Set-II

  • question_answer
    What is speciation? List four factors    responsible for speciation.

    Answer:

    Speciation: Formation of new species from the pre-existing population.
                Four factors responsible for speciation are:
                (i) Genetic drift
                (ii) Natural selection
                (iii) Geographical isolation
                (iv) Change in genes.


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