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Environmental factors can influence natural selection because they can increase or decrease
the number of chromosomes in an individual.
the number of chromosomes in a population.
the amount of genetic variation in an individual.
the amount of genetic variation in a population.

Respuesta :

Answer:

49 sec

because you have never seemed yet 59 hour instead 12 hour.

but 24 hour also.

Answer:

D. the amount of genetic variation in a population.

Explanation: