题目选项分析

Ecologist: The incidence of alligator attacks on humans in the vicinity of the Blue Lagoon has increased in recent years. Relocating at least half of the Blue Lagoon's alligator population would help decrease the incidence of alligator attacks on humans.

The ecologist's claim relies on which of the following assumptions?

【选项】There is a correlation between the size of the alligator population and the incidence of alligator attacks on humans.