10th Class Science Heredity and Evolution

  • question_answer 43)
      If the fossil of an organism is found in the deeper layers of earth, then we can predict that (a) the extinction of organism has occurred recently (b) the extinction of organism has occurred thousands of years ago (c) the fossil position in the layers of earth is not related to its time of extinction (d) time of extinction cannot be determined

    Answer:

                      (b) Fossils refer to the petrified remains of organisms that lived in the past and get preserved in rocks. The fossil position in the layer of earth relates to the time of extinction of organisms, If the fossil of an organism is found in the deeper layers of earth, then it is predicted that extinction of organism has occurred thousands of years ago. Whereas the fossils found closer to the surface are more recent.


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