Thermoregulation in Organisms
Biology ⇒ Biological Systems and Homeostasis
Thermoregulation in Organisms starts at 7 and continues till grade 12.
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A lizard is seen basking on a rock in the morning and hiding under a bush in the afternoon. What does this behavior indicate about its thermoregulation?
Describe how fur helps mammals survive in cold environments.
Describe how panting helps dogs regulate their body temperature.
Describe how vasodilation helps cool the body.
Describe one behavioral adaptation that helps animals regulate their body temperature.
Explain how shivering helps in thermoregulation.
Explain the difference between endotherms and ectotherms.
A lizard is seen basking on a rock in the morning and hiding under a bush in the afternoon. What does this behavior indicate about its thermoregulation?
Which of the following animals is an ectotherm? (1) Dog (2) Lizard (3) Bird (4) Human
Which of the following is a behavioral adaptation for cooling in elephants? (1) Flapping ears (2) Hibernation (3) Growing thick fur (4) Shivering
Which of the following is a consequence of failing thermoregulation in humans? (1) Fever (2) Hypothermia (3) Dehydration (4) All of the above
Which of the following is a danger of hypothermia? (1) Overheating (2) Organ failure (3) Dehydration (4) Sunburn
Fill in the blank: Animals that can regulate their own body temperature internally are called __________.
Fill in the blank: Animals that depend on external sources for body heat are called __________.
Fill in the blank: The ability of an organism to keep its body temperature within certain boundaries, even when the surrounding temperature is very different, is called __________.
Fill in the blank: The increase in blood flow to the skin to release heat is called __________.
True or False: All animals maintain a constant internal body temperature.
True or False: Birds and mammals are examples of endothermic animals.
True or False: Hibernation is a strategy used by some animals to survive cold temperatures by lowering their metabolic rate.
True or False: Humans are able to survive in a wide range of environments because of their ability to regulate body temperature.
