Nature Education: Heterotrophs, Herbivores, and Ecosystem Sources
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Questions and Answers

What type of organisms are autotrophs in an ecosystem?

  • Decomposers
  • Grazers
  • Carnivores
  • Photoautotrophs (correct)

    • Which component is considered the ultimate energy source for most ecosystems?

  • Sunlight (correct)
  • Chemoautotrophs
  • Decomposers
  • Grazers

    • What do chemoautotrophs contribute to an ecosystem?

  • Energy from sunlight
  • Organic matter
  • Nutrients from the soil
  • Energy from inorganic compounds (correct)

    • Which law of thermodynamics relates to energy transformation in ecosystems?

    <p>Second Law</p> Signup and view all the answers

    What is the primary role of heterotrophs in an ecosystem?

    <p>Break down organic matter</p> Signup and view all the answers

    Which process involves the movement of nutrients through ecosystems?

    <p>Biogeochemical cycling</p> Signup and view all the answers

    What role does sunlight play in the global hydrological cycle?

    <p>Driving the water cycle</p> Signup and view all the answers

    In an ecosystem, what is the main function of decomposers?

    <p>Break down dead organisms and waste</p> Signup and view all the answers

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