The equilibrium model of island biogeography predicts that, once equilibrium is reached, an island will be occupied
A) by an unchanging set of species as extinctions and immigrations stop.
B) by an unchanging number of species, but extinctions and immigrations will continue.
C) by a steadily increasing number of species.
D) by a steadily decreasing number of species.
E) only by species that evolved on that island.

Question

Quizplus · Accepted Answer

The equilibrium model of island biogeography predicts that, once equilibrium is reached, an island will be occupied by an unchanging number of species, but extinctions and immigrations will continue. This means that the number of species may fluctuate over time as species go extinct or immigrate, but the overall number of species will remain relatively constant.

The Equilibrium Model of Island Biogeography Predicts That, Once Equilibrium