Microorganisms and Ecosystems Quiz
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Questions and Answers

What is the primary role of microorganisms in the ecosystem?

  • Causing changes in the ecosystem (correct)
  • Producing oxygen for other organisms
  • Serving as a food source for larger organisms
  • Preventing the decay of organic matter

    • How do microorganisms contribute to nutrient cycling in the ecosystem?

  • By preventing the breakdown of organic matter
  • By producing organic matter from inorganic nutrients
  • By converting organic matter into inorganic nutrients (correct)
  • By inhibiting the growth of other organisms

    • Which statement accurately describes the relationship between microorganisms and decomposition?

  • Microorganisms prevent the decay of organic matter
  • Microorganisms break down dead and decaying matter (correct)
  • Decomposers are not classified as microorganisms
  • Decomposition occurs independently of microorganisms

    • Micro organism are tiny living things such as ______.

    <p>bacteria</p> Signup and view all the answers

    Many decomposers are Micro organism. They break down dead and decay ______.

    <p>matters</p> Signup and view all the answers

    Micro organism can cause changes in ______.

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

    Microorganisms play no role in nutrient cycling within an ecosystem.

    <p>False</p> Signup and view all the answers

    All microorganisms are decomposers.

    <p>False</p> Signup and view all the answers

    Microorganisms are visible to the naked eye.

    <p>False</p> Signup and view all the answers

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