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17 January, 11:22

During normal climatic conditions with regular rainfall, the average beak depth for a population of finches was 6.8mm. researchers found that after a drought, average beak depth increased to 8.8mm. birds with deep beaks (>9mm) were better able to eat large, hard seeds. small hard seeds were also available after the drought, but could only be eaten by birds with shallow beaks (<7mm). choose the graphical representation and term that best represents what would happen in the post-drought finch population if both types of seeds continue to be available.

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  1. 17 January, 11:36
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    The given case is an example of disruptive selection.

    The disruptive selection, also known as diversifying selection, illustrates modifications in population genetics in which extreme values for a trait are preferred over transitional values. In this situation, the variance of the trait upsurges and the population is differentiated into two different groups.
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