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 (D)</p> Signup and view all the answers

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

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

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

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

What region of the brain controls thermoregulation in animals?

<p>Hypothalamus (B)</p> Signup and view all the answers

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

<p>ATP (B)</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 (D)</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 (A)</p> Signup and view all the answers

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

<p>Panting (D)</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) (C)</p> Signup and view all the answers

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

<p>Panting (B)</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 (B)</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 (C)</p> Signup and view all the answers

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

<p>Insulation (D)</p> Signup and view all the answers

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

<p>Thermogenesis (C)</p> Signup and view all the answers

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

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

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