what is evolution How does it occur
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evolution means change in all forms of life over generation.
Evolution occurs when these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift.
Evolution occurs when these heritable differences become more common or rare in a population, either non-randomly through natural selection or randomly through genetic drift.
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It is the sequence of gradual changes from simple life forms to complex life forms.
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