In paragraph 1, why does the author discuss the moose and wolves on Isle Royal?

• To provide an example of predators moving to new habitats by following migrating prey.
• To show that the interactions between predator populations and prey populations are not always might be expected.
• To suggest that prey populations are more influenced by predation than food availability and disease.
• To argue that studies of geographically isolated populations tend not to be useful to naturalists.

This is a multiple choice.