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hibernation    音标拼音: [h,ɑɪbɚn'eʃən]
n. 过冬,冬眠,避寒

过冬,冬眠,避寒

hibernation
冬眠

hibernation
n 1: the torpid or resting state in which some animals pass the
winter
2: cessation from or slowing of activity during the winter;
especially slowing of metabolism in some animals
3: the act of retiring into inactivity; "he emerged from his
hibernation to make his first appearance in several years"

Hibernation \Hi`ber*na"tion\, n. [Cf. F. hibernation.]
The act or state of hibernating. --Evelyn.
[1913 Webster]


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  • Hibernation - Wikipedia
    Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate It is most commonly used to pass through winter months – called overwintering
  • Hibernation | Winter Sleep, Torpor Adaptation | Britannica
    Hibernation, a state of greatly reduced metabolic activity and lowered body temperature adopted by certain mammals as an adaptation to adverse winter conditions
  • Hibernation: Nature’s Nap Time - U. S. National Park Service
    While hibernation is often used to describe any animal that goes into dormancy in the winter, there are three very specific requirements for an animal to be considered a true hibernator: reduced metabolism, slower heart rate, and lowered body temperature
  • How Hibernation Works - HowStuffWorks
    Hibernation is a state where animals significantly reduce their metabolic rate, body temperature, heart rate and breathing to conserve energy during periods when food is scarce
  • Some Animals Don’t Actually Sleep for the Winter, and . . . - Education
    Despite what you may have heard, species that hibernate don’t “sleep” during the winter Hibernation is an extended form of torpor, a state where metabolism is depressed to less than five percent of normal
  • What Is Hibernation and How Do Animals Do It? - Biology Insights
    Hibernation is a specialized biological state allowing certain animals to survive periods of environmental hardship It involves a profound reduction in metabolic activity and is far more intricate than simply sleeping through a challenging season
  • What is hibernation, how does it work, and which animals do it?
    Hibernation is a way for many creatures – from butterflies to bats – to survive cold, dark winters without having to forage for food or migrate to somewhere warmer Instead, they turn down their metabolisms to save energy Animals in hot climates also undergo a form of hibernation called aestivation
  • What is the truth about hibernation? - The Institute for Environmental . . .
    Hibernation is not simply deep sleep; it’s a remarkable state of dormancy where animals dramatically reduce their metabolic rate to conserve energy during periods of resource scarcity, especially winter, and the truth about hibernation is far more complex and varied than often believed
  • Hibernation - New World Encyclopedia
    Hibernation is a state of inactivity (deep sleep) and metabolic depression in animals, typically in cold weather, and characterized by lower body temperature, slower heart beat and breathing, and lower metabolic rate
  • Animals in winter - Hibernation - Science Made Simple
    If an animal's main food source is very scarce in the winter, like insects or green plants, the solution may be hibernation This deep sleep allows them to conserve energy, and survive the winter with little or no food Most hibernators prepare in some way for the winter





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