Atait exists in a population of a certain species. The trait has two variations, variation X and variation Y The percentage of the population that has each variation over several generations are shown in the table below.
Variation
Variation Y
Generation Generation Generation 10
50%
74%
50%
26%
8%
Which statement correctly describes how and why the occurrence of the variations of the trait changed over time?
OA Variation X became more common because it increases an individual's probability of surviving and reproducing
OB Variation Y became less common because it increases an individual's probability of surviving and reproducing
Oc Variation Y became more common because it decreases an individual's probability of surviving and reproducing
OD Variation X became less common because it decreases an individual's probability of surviving and reproducing
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