Which is an example of the rescue effect?
I. A small population of birds maintains a stable population size near carrying capacity.
II. A population of mice in a low-quality habitat persists because of immigration from high-quality habitats.
III. Habitat destruction reduces the quality of an environment and causes a population of lizards to decline every year until they go extinct.

Question

Quizplus · Accepted Answer

The rescue effect refers to the phenomenon where immigration from external populations helps sustain a population that would otherwise decline or go extinct in a poor-quality habitat. Choice II exemplifies this by describing a population of mice that persists due to immigration from high-quality habitats.

Which Is an Example of the Rescue Effect