Discuss the causes of variation Living organisms?
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Variation, in biology, any difference between cells, individual organisms, or groups of organisms of any speciescaused either by genetic differences (genotypic variation) or by the effect of environmental factors on the expression of the genetic potentials (phenotypic variation).
PALAK15araya:
Already exist in the pollution genetic variation is caused by : mutation,random,mating between organisms.
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Genetic variation essential for natural selection because natural selection can only increase or decrease frequency of allel that
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