Use the graph to answer the question. Using fossil evidence, scientists can learn how organisms have changed over long periods of time. The chart below shows information about how the body mass of ancestors of the modem horse have changed over time Population after selection Original population Select two statements that would best explain the change in horses' body mass over millions of years. A Large body mass occurred in individuals as they became adults B Horses with smaller body mass were selected for Horses with larger body mass had higher fitness D Horses with larger body mass were selected for E Horses with a smaller body mass had higher fitness B​
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