Scientists are modeling the population of common loons (Gavia immer) over time on an isolated lake in Canada. What is the stock in this example?

Question

Quizplus · Accepted Answer

In system dynamics and modeling, the "stock" refers to the quantity or amount of something that accumulates or depletes over time. In this example, the number of loons is the stock because it is the quantity that the scientists are tracking and modeling over time.

Scientists Are Modeling the Population of Common Loons (Gavia Immer)