Multiple choice

Organisms in an area together interact with the non–living constituents of the environment, to form a/an

  1. ecosystem

  2. biome

  3. trophic level

  4. biotic factor

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A Correct answer
Explanation

An ecosystem includes all living organisms (biotic factors) interacting with non-living components (abiotic factors) like water, soil, and air in a specific area. A biome is a larger geographic region, trophic level is a feeding position, and biotic factor refers only to living things.