Answers

2016-04-01T20:34:01+05:30
Gradual weather changes will take place in primitive organism over millions of years and new organisms with new features would be formed
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sidhartha
2016-04-02T01:46:48+05:30
Gradual change in the physical appearance or adaptation in a living organism to suite it's surrounding and help it lead a easy life. This simple process is marked gradually over a long period of time. Hope this is useful. Pls mark this as best.
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