What is hibernation and aestivation________?
Correct answer: A. Thermal adaptation shown by animals
- A. Thermal adaptation shown by animals
- B. wind adaptation shown by animals
- C. adaptation of animals to escape from predators
- D. none of the above
Explanation
Hibernation and aestivation are thermal adaptations in which animals reduce activity and metabolism during very cold or very hot conditions, respectively. Students may choose c because these states can also reduce exposure to danger, but escaping predators is not their defining function.
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About Thermoregulation
Thermoregulation maintains body temperature through negative feedback controlled mainly by the hypothalamus. It covers vasodilation and vasoconstriction, sweating, shivering, changes in metabolic heat production and behavioural responses, while distinguishing heat loss by radiation, conduction, convection and evaporation from temperature regulation itself.
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