Life Processes Overview
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Questions and Answers

What is the primary source of energy for photoautotrophs?

  • Light (correct)
  • Water
  • Chlorophyll
  • Carbon dioxide
  • Which type of nutrition involves the digestion of food outside the body of the organism?

  • Saprophytic nutrition (correct)
  • Heterotrophic nutrition
  • Autotrophic nutrition
  • Holozoic nutrition
  • What is the term for organisms that feed on living organisms without killing them?

  • Decomposers
  • Parasites (correct)
  • Saprotrophs
  • Scavengers
  • Which part of the plant contains the pigment chlorophyll?

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

    What is the term for the process by which green plants prepare their own food?

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

    Which type of organisms follow the autotrophic mode of nutrition?

    <p>Green plants and blue-green algae</p> Signup and view all the answers

    Which process involves the breakdown of organic substances into simpler compounds?

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

    What is the main purpose of transportation in living organisms?

    <p>Carrying food and oxygen to different organs</p> Signup and view all the answers

    Which is NOT one of the main nutrients for organisms?

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

    Why do organisms need nutrients according to the text?

    <p>To perform activities and for energy</p> Signup and view all the answers

    Which process involves the removal of metabolic waste by-products from the body?

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

    What is the process through which energy is obtained by living organisms?

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

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