It is always true that populations of organisms that exhibit a high degree of variation have a greater chance for survival than populations of organisms that show little variation. The correct option is A.
The difference in the character traits of individuals within a population is referred to as variation.
They occur as a result of hybridization and mutation, so although evolution is the gradual process of change in a population's inheritable characteristics over several generations. Natural selection drives evolution.
One source of genetic variation is mutations, which are changes in the sequences of genes in DNA. Gene flow, or the movement of genes between different groups of organisms, is another source.
Ultimately, genetic variation can occur as a result of human reproduction, which results in the formation of new gene combinations.
Thus, the correct option is A.
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