What will most likely happen to a charecteristic that has a high survival value in a population? A. the charecteristic will decrease in frequency.
B. the charecteristic will not be inherited.
C. the charecteristic gene will mutate.
D. the charecteristic will increase in frequency.​
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D. The characteristic will increase in frequency

Explanation:

If the characteristic has high survival rate, the organism with that characteristic should also have a high reproduction rate, therefore increasing the population that has that characteristic

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.