Using the graph, estimate the number of minutes of foraging per hour before and after the sound exposure. then predict the effect of sonar on the fitness of blue whales. explain your reasoning.
Question: Using the graph, estimate the number of minutes of foraging per hour before and after the sound exposure. then predict the effect of sonar on the fitness of blue whales. explain your reasoning.
Using the graph, we can estimate the number of minutes of foraging per hour before and after the sound exposure. Before the sound exposure, the blue whales spent about 40 minutes per hour foraging. After the sound exposure, they spent about 20 minutes per hour foraging. This means that the sound exposure reduced their foraging time by half. This could have a negative effect on the fitness of blue whales, because they need to consume a large amount of food to maintain their body size and energy reserves. If they forage less, they might not be able to meet their energetic demands and could lose weight or become more vulnerable to predators or diseases. Therefore, we can predict that sonar has a harmful impact on the survival and reproduction of blue whales. We can explain our reasoning by using the concept of optimal foraging theory, which states that animals try to maximize their net energy intake per unit time. By exposing blue whales to sonar, we are disrupting their optimal foraging behavior and reducing their net energy intake.
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