Ecosystems and Ecological Systems Quiz
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Questions and Answers

What are ecosystems composed of?

  • All the abiotic components
  • Only organisms
  • All the organisms and the physical environment (correct)
  • Only the physical environment

    • How is energy incorporated into plant tissue in an ecosystem?

  • Through energy flows
  • Through photosynthesis (correct)
  • Through decomposition
  • Through nutrient cycles

    • What role do animals play in an ecosystem?

  • They control external factors
  • They only influence plant biomass
  • They play an important role in the movement of matter and energy through the system (correct)
  • They have no significant role in the ecosystem

    • What controls the overall structure of an ecosystem?

    <p>External factors such as climate, parent material, and topography</p> Signup and view all the answers

    What influences the quantity of plant and microbial biomass present in an ecosystem?

    <p>Animals by feeding on plants and on one another</p> Signup and view all the answers

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