You are a biologist studying a small fish that reproduces once every summer. In 2014, you add different numbers of this fish to five ponds-Sunny, Slimy, Lazy, Lucky, and Yucky-that do not contain any other fish. These five ponds are the same size and have the same environmental conditions. You return the next summer and estimate fish population size in 2015.

Which of the following is supported by the data?

Question

You are a biologist studying a small fish that reproduces once every summer. In 2014, you add different numbers of this fish to five ponds-Sunny, Slimy, Lazy, Lucky, and Yucky-that do not contain any other fish. These five ponds are the same size and have the same environmental conditions. You return the next summer and estimate fish population size in 2015.

Which of the following is supported by the data?

Quizplus · Accepted Answer

The data shows that the fish population in each pond increased from 2014 to 2015, but the rate of increase varied depending on the initial number of fish added. However, in all five ponds, the population eventually leveled off at a maximum of around 160-320 fish per pond. This suggests that there is a carrying capacity for the fish in these ponds and that the populations are regulated by density-dependent processes. Therefore, choice C is the best choice as it suggests that the carrying capacity is between 160 and 320 fish per pond.

You Are a Biologist Studying a Small Fish That Reproduces