Ecosystems and Ecological Systems Quiz
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Questions and Answers

What is the primary way that energy enters an ecosystem?

  • Nutrient cycling
  • Photosynthesis (correct)
  • Animal feeding
  • Decomposition
  • What role do animals play in the movement of matter and energy through an ecosystem?

  • They facilitate nutrient cycling
  • They feed on plants and on one another (correct)
  • They release carbon back to the atmosphere
  • They control the overall structure of the ecosystem
  • Which factor controls the overall structure of an ecosystem?

  • Succession
  • Shading
  • Decomposition
  • External factors such as climate (correct)
  • What role do decomposers play in nutrient cycling within an ecosystem?

    <p>They convert nutrients stored in dead biomass back to a form that can be readily used by plants and microbes</p> Signup and view all the answers

    What role do internal factors play in an ecosystem?

    <p>Control ecosystem processes</p> Signup and view all the answers

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