Bacteria need both food and water to survive and reproduce. What provided
these to the bacteria in your experiment? Do you think dairy products might
provide a good source of food and water for bacteria to grow?
What will be an ideal response?
Question 2What are some possible explanations for your results? If you had unexpected
results, what might have happened to contaminate your samples of potato?
(Hint: Is the raw milk the only source of bacteria in the experiment?)
What will be an ideal response?