In disruptive selection, over time
A. the population is strongly selected for in one direction (e.g., larger beak size).
B. a population increases its variation (e.g., a wide selection of all beak sizes).
C. a population goes extinct.
D. the population is strongly selected for in two directions (e.g., larger beak size and smaller beak size).
E. the most extreme outliers of a population are eliminated (e.g., the largest beaks and smallest beaks are eliminated).
Answer: D
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