A scientist used radiation to change the mutation rates of a population of bugs. He then measured how many generations it took for bugs with different mutation rates to adapt to a new background by natural selection. On the graph below, the x-axis represents the mutation rate, and the y-axis represents the number of generations it took for the bugs to reach an average fitness of 90%. Which of the following statements is most accurate?

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.

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What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.