What is an organic evolution? It cannot be equated with progress. Explain with the help of a suitable example.
CBSE OUTSIDE DELHI - SET 3 2017
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  • A sequence of gradual changes which take place in the organism over millions of years resulting in the formation of new organisms/species.
  • Evolution is not progress from lower form of life to higher. It has given rise to more complex body design even while simpler body designs continue to flourish.
  • You may take an example of human beings who have not evolved from chimpanzees, but both have common ancestors.
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