Problem-solving Skills Quiz Active 1 2 Before testing a treatment for a patient suffering from frequent leg cramps, which must Dr. Panza specify? Ch that apply. what a successful outcome is how much coverage insurance will provide how the outcome will be measured how many solutions to try at the same time how long the solution will be tried before making a judgment

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.