Multiple choice

Which of the following occurs among the abiotic components in an ecosystem?

  1. Flow of energy

  2. Cycling of materials

  3. Consumers

  4. Flow of energy and cycling of materials
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Among abiotic (non-living) components, the cycling of materials (water, carbon, nitrogen, minerals) is a key process. The flow of energy occurs between living components (biotic), not among abiotic components alone. Options mentioning consumers refer to living organisms, which are biotic, not abiotic.

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