Ecosystems Quiz

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Questions and Answers

What is the primary way energy enters an ecosystem?

  • Photosynthesis (correct)
  • Decomposition of organic matter
  • Consumption of animals
  • Absorption from the atmosphere

What role do animals play in the movement of matter and energy in an ecosystem?

  • By regulating the climate
  • By feeding on plants and on one another (correct)
  • By influencing the soil structure
  • By controlling the nutrient cycles

What do decomposers do in an ecosystem?

  • Release carbon back to the atmosphere and facilitate nutrient cycling (correct)
  • Store excess energy in the soil
  • Consume plant tissue for energy
  • Prevent nutrient cycling

What controls the overall structure of an ecosystem?

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

How are biotic and abiotic components linked together in an ecosystem?

<p>Through nutrient cycles and energy flows (B)</p> Signup and view all the answers

What are the components linked together in an ecosystem?

<p>Biotic and abiotic components (B)</p> Signup and view all the answers

How is energy primarily incorporated into plant tissue in an ecosystem?

<p>Through photosynthesis (C)</p> Signup and view all the answers

What role do animals play in the movement of matter and energy in an ecosystem?

<p>By feeding on plants and on one another (B)</p> Signup and view all the answers

What is the role of decomposers in nutrient cycling within an ecosystem?

<p>They break down dead organic matter and release carbon back to the atmosphere (C)</p> Signup and view all the answers

What controls the overall structure of an ecosystem?

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

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