they help it thrive and live because it just goes in a circle sun grows plants plants feed herbivores, herbivores feed omnivores then it eventually gets to the top of the food chain and when the top of the food chain dies it decomposes and gives the ground fertilizer and starts all over again
The answer should be elk. the wolves now help to control the elk population because they are their predators, so by process of elimination, the answer has to be elk.
