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While explaining industrial melanism, agent of natural selection is

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Important Questions on Evolution

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Which of the following is not Darwin's explanation of a variation?
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The first organisms that appeared on Earth were probably
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According to the discovery made in 1980's. RNA can act like enzyme to assemble new RNA molecules on RNA template. Which of the following statements is not proved by this theory?
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Which of the following scientists believed in the concept of natural selection like Darwin?
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The Darwinian variations are
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Replacement of original hard parts or even the soft tissues of the organisms by minerals is known as
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Which one of the following provides direct evidence in favour of organic evolution through ages?
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Which of the following was discovered in Ethiopia and Tanzania?