A student suggests that a certain species of bacteria grows better in the light than in the dark. The student has 10 culture plates on which to grow the bacteria. Which of the following would be the best experiment to test this idea? a. Grow 10 plates in the dark. b. Grow 10 plates in the light. c. Grow 5 plates in the dark and 5 plates in the light. d. Grow 10 plates in the light, with extra water.