Which two of the descriptions given characterize this dependence? Speed of movement of fry

Answer:

• 1) increases and then decreases during the observation period
• 4) is minimal at the 38th hour of observation

Explanation: The graph shows fluctuations in the speed of movement of fish fry over time. The speed increases and decreases at various points, indicating option 1. Observing the graph, the lowest point appears to be around the 38-hour mark, suggesting option 4.