18 Questions
Which adaptation for thermoregulation involves the integumentary system?
Insulation
What is the primary way endothermic animals like birds and mammals generate heat?
Adjusting metabolic heat production
In the context of thermoregulation, what is the function of circulatory adaptations?
Adjusting metabolic heat production
Which adaptation involves animals balancing heat loss and gain?
Behavioral responses
Which mechanism involves animals losing heat through evaporation to regulate temperature?
Circulatory adaptations
How do animals adjust their metabolic heat production to maintain thermoregulation?
Balancing heat loss and gain
What region of the brain controls thermoregulation in animals?
Hypothalamus
What is the primary molecule used to power cellular work in animals?
ATP
Which of the following is true about fever in animals?
It results from a change in the set point of the biological thermostat
What is the process by which living things use chemical reactions to create products useful for cellular metabolism?
Biosynthesis
Which of the following is a method of cooling by evaporative heat loss in animals?
Panting
What term describes the metabolic rate of an endotherm at rest at a 'comfortable' temperature?
Basal metabolic rate (BMR)
How do birds and many mammals increase the cooling effect through evaporation?
Panting
Which behavioral response do some terrestrial invertebrates use to control body temperature?
Postures that minimize or maximize absorption of solar heat
In thermoregulation, what is the primary purpose of vasodilation in animals?
To facilitate heat loss through the skin
Which adaptation is particularly essential in marine mammals like whales and walruses?
Insulation
What type of metabolic heat production adjustment involves hormones causing mitochondria to increase their activity?
Thermogenesis
Which process helps an animal cool down by moistening the skin?
Sweating or bathing
Explore thermoregulatory adaptations in animals, including insulation through skin, feathers, fur, and blubber, and circulatory adaptations to regulate blood flow near the body surface. Learn how these mechanisms help animals maintain a stable body temperature.
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