Exercise 1: Data Interpretation (2 pts each)
1. What patterns do you observe based on the information in Table 4?
No fish are present when the dissolved oxygen is zero. When there is more dissolved oxygen in the water, more fish are present. However, the number of fish tends to drop or level off when the dissolved oxygen is higher than 12 ppm.
2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water.
Possible Hypotheses:
1. The amount of dissolved oxygen affects the number of fish that can live in a body of water.
2. As dissolved oxygen concentration increases, more fish can live in the body of water.
3. There is an ideal dissolved oxygen concentration for fish to live in.