Grizzly bears are considered as omnivores that feed on both meat and plants. In the food web, it is located on the top. It is shown from the image provided that the grizzly bear receives energy by consuming grass, an elk and a rabbit. They are referred to as the upper food chain predators. Although they consume for their diet mostly nuts, berries, fruits, leaves, and roots, they also eat other animals for survival.
Answer - Option D - all of these