A predictable pattern in which the population sizes of two species increase and decrease in response to each other's densities is called a(n)

Question

Quizplus · Accepted Answer

The predictable pattern described in the question is known as a cyclical fluctuation. This occurs when the populations of two species oscillate in response to each other's densities in a predictable manner, often described as a "boom-and-bust" cycle. This type of fluctuation is different from irregular fluctuations, which do not follow a predictable pattern, and from density-independent population changes, which are not influenced by population densities. Density-dependent population changes may contribute to cyclical fluctuations, as the populations of the two species may cause changes in the availability of resources or the presence of predators or parasites that further influence population size.

A Predictable Pattern in Which the Population Sizes of Two