The grizzly bear feeds on salmon that migrate upriver from the ocean during the spawning season. These fish are rich in carbon, nitrogen, and sulfur. The bears leave half-eaten fish and nutrient-rich feces on the forest floor. Due to its role in this ecosystem, the grizzly bear would be classified as a A) dominant species. B) keystone species. C) foundation species. D) endangered species.

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Julio Carlson

Today, 12:12

The grizzly bear feeds on salmon that migrate upriver from the ocean during the spawning season. These fish are rich in carbon, nitrogen, and sulfur. The bears leave half-eaten fish and nutrient-rich feces on the forest floor. Due to its role in this ecosystem, the grizzly bear would be classified as a A) dominant species. B) keystone species. C) foundation species. D) endangered species.

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Davin Bryan · Answer 1

Keystone species

Keystone species are important, or key, to the survival of an ecosystem. The description of the grizzly bear is not just one that is a consumer. While the grizzly bear eats the salmon during the salmon run it also provides rich nutrients for the forest floor. This description of the grizzly bear leaving half-eaten salmon and nutrient-rich fish demonstrates it's role in the survival of the plant life on the forest floor.