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Biology, 21.01.2020 23:31 PinkyUSA18

An isolated population of prairie dogs has longer than average teeth. as a result they can eat more grass with less effort and are better able to survive. the mutations(s) that resulted in longer teeth:

(a) allowed the teeth to grow longer over several generations until they reached an optimal length for eating grass.
(b) arose in many members of the population at the same time.
(c) happened by chance.
(d) occurred because the prairie dogs needed to be more efficient at eating grass to survive and reproduce.
(e) would only occur in a prairie dog population that eats grass and would not occur in a population that lives on seeds.

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