At low population densities, the flocking behavior of some species of birds is disrupted to the extent that the population growth rate is lower at very low densities than it is at somewhat higher densities. This is an example of
A) an Allee effect.
B) genetic drift.
C) environmental stochasticity.
D) dampened oscillations.

Question

Quizplus · Accepted Answer

The Allee effect refers to a phenomenon in ecology where individuals have a lower fitness at low population densities, which can lead to reduced population growth rates. This is consistent with the description provided.

At Low Population Densities, the Flocking Behavior of Some Species