Obtaining Food and Energy in Living Organisms
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Questions and Answers

What is the source of energy and materials for living things?

  • Sunlight
  • Carbon dioxide and water
  • Food (correct)
  • Enzymes

    • Which organisms are considered autotrophs?

  • Animals and fungi
  • Green plants and some bacteria (correct)
  • Organisms that obtain energy from sunlight
  • Organisms that use enzymes

    • How are the carbon and energy requirements of autotrophic organisms fulfilled?

  • By obtaining energy from sunlight (correct)
  • By synthesizing protein
  • By breaking down complex substances
  • By using enzymes

    • What is the process by which autotrophs convert substances into stored forms of energy?

    <p>Photosynthesis</p> Signup and view all the answers

    Which organisms are considered heterotrophs?

    <p>Animals and fungi</p> Signup and view all the answers

    What do heterotrophic organisms depend on for their survival?

    <p>Autotrophs</p> Signup and view all the answers

    How do heterotrophic organisms obtain their food and energy?

    <p>From autotrophs</p> Signup and view all the answers

    What is the role of enzymes in organisms?

    <p>Breaking down complex substances</p> Signup and view all the answers

    'Autotrophic' means:

    <p>'Producing own food'</p> Signup and view all the answers

    'Heterotrophic' means:

    <p>'Obtaining food from others'</p> Signup and view all the answers

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