Ecosystem Energy Flow Quiz
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Questions and Answers

What type of microorganisms help decompose dead organisms in an ecosystem?

  • Predators
  • Consumers
  • Parasites
  • Saprophytic microbes (correct)
  • Which form of energy is stored and capable of performing work at rest?

  • Kinetic energy
  • Free energy
  • Potential energy (correct)
  • Chemical energy
  • What is the source of energy required by all living organisms?

  • Chemical energy from photosynthesis (correct)
  • Geothermal energy
  • Heat energy
  • Potential energy
  • According to the first law of Thermodynamics, what happens to energy in the universe?

    <p>Energy stays constant</p> Signup and view all the answers

    What percentage of the energy released by the Sun onto the planet Earth is used to heat and evaporate water?

    <p>35%</p> Signup and view all the answers

    In an ecosystem, what kind of flow does the energy exhibit?

    <p>Unidirectional flow</p> Signup and view all the answers

    What role do plants play in the nitrogen cycle?

    <p>Act as a crucial part in the nitrogen cycle</p> Signup and view all the answers

    Which organisms are responsible for breaking down urea into nitrogen gas in the soil?

    <p>Decomposers like bacteria and fungi</p> Signup and view all the answers

    What is the main source of energy in the ecosystem for the synthesis of organic components?

    <p>Solar energy</p> Signup and view all the answers

    What process uses solar energy to convert CO2 and H2O into carbohydrates?

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

    What do herbivores primarily consume as a source of energy?

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

    In the trophic structure, what is the role of carnivores?

    <p>Feed on herbivores</p> Signup and view all the answers

    What percentage of total light energy striking a leaf is used in photosynthesis?

    <p>0.5%</p> Signup and view all the answers

    Which trophic level do primary carnivores represent in an ecosystem?

    <p>Third trophic level</p> Signup and view all the answers

    What is the primary function of green plants in an ecosystem?

    <p>To trap solar energy and convert it into chemical energy</p> Signup and view all the answers

    What is the term for the succession of organisms through repeated process of eating and being eaten?

    <p>Food chain</p> Signup and view all the answers

    Which action does not support the Green plants in an ecosystem?

    <p>Reflecting light energy</p> Signup and view all the answers

    What percentage of light energy striking a plant is absorbed initially?

    <p>80-85%</p> Signup and view all the answers

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