Question

Natural selection causes changes in populations of organisms, not individual organisms, because

Answer 1

differential reproductive success caused by genetic variation is necessary for the process of natural selection

Step-by-step explanation:

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Answer 2

Natural selection causes changes in populations of organisms, not individual organisms because the individual species or organisms create ways in order to adapt and get used to their living surroundings or their environment. The natural selection creates an action to individual species or organisms by altering their gene code.