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 (D)</p> Signup and view all the answers

What is the primary role of heterotrophs in an ecosystem?

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

Which process involves the movement of nutrients through ecosystems?

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

What role does sunlight play in the global hydrological cycle?

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

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

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

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