9. Study the figure below. Each pie chart represents a distinct population. The degree to which the pie chart is filled in illustrates the percentage of individuals in that population who are lactase persistent. Lactase persistence Lactase non-persistence O a. Identify two trends you see in the data. Provide evidence to support each trend. b. State one possible hypothesis that can explain the global distribution of lactase persistence (lactose tolerance) and lactase nonpersistence (lactose intolerance). Be sure to include the following keywords in your explanation: selection, fitness, survival.

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