The American alligator is a(n) ____ because it plays a number of important roles in the ecosystems where it is found in the southeastern United States.
A) endemic species
B) specialist species
C) indicator species
D) exotic species
E) keystone species

Question

Quizplus · Accepted Answer

The American alligator is a keystone species because it plays critical roles in maintaining the structure and function of its ecosystem. It is a top predator, controlling populations of other species, and its burrows provide habitat for a variety of other animals. Additionally, their role in nutrient cycling and ecosystem engineering has been shown to have cascading effects on the ecosystems in which they live.

The American Alligator Is A(n) ____ Because It Plays a Number