Ecosystems Quiz

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Questions and Answers

What is the primary way energy enters an ecosystem?

  • Through precipitation
  • Through animal respiration
  • Through decomposition
  • Through photosynthesis (correct)

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

  • By controlling climate factors
  • By feeding on plants and one another (correct)
  • By facilitating photosynthesis
  • By regulating nutrient cycling

What do decomposers primarily contribute to in an ecosystem?

  • Controlling external factors
  • Releasing carbon back to the atmosphere and facilitating nutrient cycling (correct)
  • Increasing plant biomass
  • Regulating energy flow

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

How are biotic and abiotic components linked in an ecosystem?

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

What is the primary way energy enters an ecosystem?

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

What role do decomposers primarily contribute to in an ecosystem?

<p>Releasing nutrients from dead organic matter (B)</p> Signup and view all the answers

How are biotic and abiotic components linked in an ecosystem?

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

What controls the overall structure of an ecosystem?

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

What is the main way animals influence 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

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