Mechanisms of Breathing in Different Animal Groups
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Questions and Answers

Which animals exchange O2 with CO2 by simple diffusion over their entire body surface?

  • Sponges (correct)
  • Earthworms
  • Insects
  • Fishes

    • What do most aquatic arthropods and molluscs use for the exchange of gases?

  • Lungs
  • Gills (correct)
  • Moist skin
  • Tracheal tubes

    • How do reptiles, birds, and mammals respire?

  • Through lungs (correct)
  • Through their moist skin
  • By using tracheal tubes
  • By exchanging gases through the body surface

    • Which group of animals can respire through their moist skin?

    <p>Amphibians like frogs</p> Signup and view all the answers

    Which structures do insects use to transport atmospheric air within the body?

    <p>Tracheal tubes</p> Signup and view all the answers

    How do lower invertebrates like sponges exchange O2 with CO2?

    <p>By simple diffusion over their entire body surface</p> Signup and view all the answers

    What respiratory structures are used by terrestrial forms for the exchange of gases?

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

    How do most aquatic arthropods and molluscs exchange gases?

    <p>Through gills</p> Signup and view all the answers

    In which group of animals can frogs respire through their moist skin?

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

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