Animal Thermoregulation
Biology ⇒ Animal Biology
Animal Thermoregulation starts at 8 and continues till grade 12.
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See sample questions for grade 11
A lizard moves from a sunny rock to a shaded area during midday. What type of thermoregulation is this an example of?
Describe how fur and feathers help in thermoregulation.
Describe how sweating helps regulate body temperature in humans.
Describe how vasoconstriction helps animals conserve heat.
Describe the difference between torpor and hibernation.
A lizard moves from a sunny rock to a shaded area during midday. What type of thermoregulation is this an example of?
A researcher observes that a certain mammal increases its metabolic rate when exposed to cold temperatures, even though it is not shivering. Which process is most likely responsible for this increase in heat production?
(1) Non-shivering thermogenesis
(2) Evaporative cooling
(3) Vasodilation
(4) Behavioral thermoregulation
A small mammal is placed in a cold environment. Over time, it increases its food intake and develops a thicker fur coat. Which type of thermoregulatory adaptation is this an example of?
(1) Behavioral adaptation
(2) Physiological adaptation
(3) Structural adaptation
(4) Both physiological and structural adaptations
Which of the following animals is most likely to use behavioral thermoregulation?
(1) Fish
(2) Snake
(3) Whale
(4) Bat
Which of the following animals is most likely to use evaporative cooling as a primary method of thermoregulation?
(1) Camel
(2) Penguin
(3) Crocodile
(4) Earthworm
Which of the following is a consequence of hyperthermia in animals?
(1) Increased metabolic rate
(2) Decreased enzyme activity
(3) Protein denaturation
(4) Enhanced immune response
Which of the following is a mechanism used by desert animals to avoid overheating?
(1) Nocturnal activity
(2) Increased sweating
(3) Hibernation
(4) Countercurrent heat exchange
Endothermic animals generate most of their body heat through __________ processes.
Fill in the blank: Animals that allow their body temperature to fluctuate with the environment are called __________.
Fill in the blank: Birds often use __________ to cool themselves by increasing evaporation from their respiratory surfaces.
Fill in the blank: The hypothalamus acts as the body’s __________ in regulating temperature.
True or False: All birds are homeothermic.
True or False: All mammals are endothermic.
True or False: Ectotherms rely primarily on external sources of heat to regulate their body temperature.
True or False: Hibernation is a form of long-term torpor.
