Ecosystem Components and Functions Quiz

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Questions and Answers

What is the primary function of decomposers in an ecosystem?

  • Convert sunlight into energy
  • Regulate the temperature of the ecosystem
  • Provide nutrients to the primary consumers
  • Break down dead organisms and organic matter (correct)

What are the biotic components of an ecosystem?

  • Plants, animals, and microorganisms (correct)
  • Rocks, minerals, and nutrients
  • Water, air, and soil
  • Sunlight, temperature, and climate

Which trophic level represents primary consumers in a food chain?

  • Producers
  • Herbivores (correct)
  • Carnivores
  • Decomposers

Which of the following is a biotic component of an ecosystem?

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

What is the primary source of energy in most ecosystems?

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

Which of the following best describes the role of decomposers in an ecosystem?

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

What is the primary role of animals in an ecosystem?

<p>Influencing the quantity of plant and microbial biomass present (A)</p> Signup and view all the answers

Which process contributes to the entry of energy into an ecosystem?

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

What do decomposers primarily contribute to the ecosystem?

<p>Release of carbon back to the atmosphere and facilitation of nutrient cycling (B)</p> Signup and view all the answers

Which factors control the overall structure of an ecosystem?

<p>External factors such as climate, parent material, and topography (A)</p> Signup and view all the answers

What is the main function of energy flows in an ecosystem?

<p>Movement of matter and energy through the system (D)</p> Signup and view all the answers

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