Energy Flow in Ecosystems Quiz

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Questions and Answers

What type of consumer primarily consumes plants?

  • Scavenger
  • Herbivore (correct)
  • Omnivore
  • Carnivore

Which type of consumer feeds on the dead carcasses of larger animals?

  • Carnivore
  • Omnivore
  • Detritivore (correct)
  • Herbivore

In an energy pyramid, why does the amount of available energy decrease as you move up the levels?

  • Higher consumers require less energy
  • More energy is lost as heat at each level (correct)
  • Primary consumers are more efficient at energy conversion
  • Energy is recycled efficiently between consumers

What is the role of decomposers in an ecosystem?

<p>Recycling organic materials from dead organisms (C)</p> Signup and view all the answers

Why are the chemical cycles in an ecosystem referred to as biogeochemical cycles?

<p>Due to the involvement of both biotic and abiotic components (C)</p> Signup and view all the answers

What is the main focus of life for most organisms?

<p>Converting energy and nutrients into descendants (D)</p> Signup and view all the answers

How is energy passed on from producers to other organisms?

<p>Some energy is stored and then passed on to consumers (D)</p> Signup and view all the answers

What happens to the energy that is not used by producers?

<p>It is lost as heat (B)</p> Signup and view all the answers

What role do nutrients play in an organism's life?

<p>Provide energy for metabolic processes (B)</p> Signup and view all the answers

In an ecosystem, what form does the energy used by organisms usually come in?

<p>Light, organic molecules, or inorganic molecules (D)</p> Signup and view all the answers

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