EXERCISE 3: HABS AND EUTROPHICATION Data Sheet Location chosen for sample collection: Table 6. Algal Growth Observations Day Observations 1 2 3 4 5 6 7 Exercise 3 Post-Lab Questions 1. Which test tube had the most algae after 7 days? 2. Summarize the growth that occurred in each of the test tubes over the course of 7 days. a. The control test tube: b. The fertilizer test tube: 3. If you were to measure the dissolved oxygen in each of the test tubes after 7 days, which test tube do you think would have a lower level of dissolved oxygen? Why?