Final answer:
Rocks are components of the ecosystem. They play a role in the physical structure and composition of the ecosystem.
Step-by-step explanation:
Living organisms are members of all of the levels listed; however, rocks are components of the ecosystem.
The ecosystem is a community of living organisms and the non-living components of their environment, such as rocks, soil, water, and air. Rocks play a role in the physical structure and composition of the ecosystem.
For example, rocks can provide shelter for certain organisms or affect the flow of water in an ecosystem. However, rocks themselves are not considered living organisms.
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