Thermoregulation: Insulation and Circulatory Adaptations
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Questions and Answers

Which adaptation for thermoregulation involves the integumentary system?

  • Insulation (correct)
  • Cooling by evaporative heat loss
  • Adjusting metabolic heat production
  • Circulatory adaptations
  • What is the primary way endothermic animals like birds and mammals generate heat?

  • Circulatory adaptations
  • Insulation
  • Adjusting metabolic heat production (correct)
  • Cooling by evaporative heat loss
  • In the context of thermoregulation, what is the function of circulatory adaptations?

  • Insulation
  • Cooling by evaporative heat loss
  • Adjusting metabolic heat production (correct)
  • Balancing heat loss and gain
  • Which adaptation involves animals balancing heat loss and gain?

    <p>Behavioral responses</p> Signup and view all the answers

    Which mechanism involves animals losing heat through evaporation to regulate temperature?

    <p>Circulatory adaptations</p> Signup and view all the answers

    How do animals adjust their metabolic heat production to maintain thermoregulation?

    <p>Balancing heat loss and gain</p> Signup and view all the answers

    What region of the brain controls thermoregulation in animals?

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

    What is the primary molecule used to power cellular work in animals?

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

    Which of the following is true about fever in animals?

    <p>It results from a change in the set point of the biological thermostat</p> Signup and view all the answers

    What is the process by which living things use chemical reactions to create products useful for cellular metabolism?

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

    Which of the following is a method of cooling by evaporative heat loss in animals?

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

    What term describes the metabolic rate of an endotherm at rest at a 'comfortable' temperature?

    <p>Basal metabolic rate (BMR)</p> Signup and view all the answers

    How do birds and many mammals increase the cooling effect through evaporation?

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

    Which behavioral response do some terrestrial invertebrates use to control body temperature?

    <p>Postures that minimize or maximize absorption of solar heat</p> Signup and view all the answers

    In thermoregulation, what is the primary purpose of vasodilation in animals?

    <p>To facilitate heat loss through the skin</p> Signup and view all the answers

    Which adaptation is particularly essential in marine mammals like whales and walruses?

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

    What type of metabolic heat production adjustment involves hormones causing mitochondria to increase their activity?

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

    Which process helps an animal cool down by moistening the skin?

    <p>Sweating or bathing</p> Signup and view all the answers

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