When Moose First Arrived on Isle Royale and Found a Habitat

When moose first arrived on Isle Royale and found a habitat without predators,the moose population _____.

A) grew exponentially,and then crashed due to lack of food.
B) re-grew after a starvation period that allowed the vegetation to recover.
C) could be categorized as going through a cycle of "boom and bust" population dynamics.
D) was not regulated by predator-prey interactions.
E) all of these