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Evolution occurs as a result of natural selection. You have looked into the fossil evidence of...

Evolution occurs as a result of natural selection. You have looked into the fossil evidence of the transition as well as the genetic basis of the genes responsible. For this section, theorize and describe how natural selection selected for the adaptation and why it was successful for the organisms in question.

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Evolution is a gradual process in which simple form of life becomes complex. Evolution occur as a result of natural selection because no one can live in isolation and natural environment affect the organism. Darwin's tells about " the survival of the fittest". In this case nature select the fittest one over the other and the fittest organism adapt well than others in the nature. For example . Cockroach adapt very well in harsh conditions so nature not eliminate the cockroaches but even gaint dinasour extinct from natural due to the large size . More ever nature do experiments for the betterment of life from which we get the transition state of evolution. For inheritance genes are available but the process of crossing over during meiosis - 1 is the source of variation. Various variation also occur due to environment. So the organisms adapt well with these variations nature select those organisms over the other . So in this way we can say that evolution is the result of natural selection .


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