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Fitness according to Darwin refers to

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Important Questions on Evolution

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The theory of natural selection was given by:
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The preserved fossil remains of Archaeopteryx show that

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Which of the following isotopes is used for finding the fossil age maximum about 35,0000 years?
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In the developmental history of the mammalian heart, it is observed that it passes through a two-chambered fish like heart, three-chambered frog like heart and finally four-chambered stage. To which hypothesis can this above cited statement be approximated?
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Which of the following statements is related to Karl Ernst von Baer?
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The presence of gill slits, in the embryos of all vertebrates, supports the theory of
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What can you infer about the structures shown in figure?