hibernate

Hibernation is a state of minimal activity and metabolic depression undergone by some animal species. Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate. It most commonly occurs during winter months.
Although traditionally reserved for "deep" hibernators such as rodents, the term has been redefined to include animals such as bears and is now applied based on active metabolic suppression rather than any absolute decline in body temperature. Many experts believe that the processes of daily torpor and hibernation form a continuum and utilise similar mechanisms. The equivalent during the summer months is aestivation.
Hibernation functions to conserve energy when sufficient food is not available. To achieve this energy saving, an endothermic animal decreases its metabolic rate and thereby its body temperature. Hibernation may last days, weeks, or months—depending on the species, ambient temperature, time of year, and the individual's body-condition. Before entering hibernation, animals need to store enough energy to last through the duration of their dormant period, possibly as long as an entire winter. Larger species become hyperphagic, eating a large amount of food and storing the energy in fat deposits. In many small species, food caching replaces eating and becoming fat.Some species of mammals hibernate while gestating young, which are born either while the mother hibernates or shortly afterwards. For example, female black bears go into hibernation during the winter months in order to give birth to their offspring. The *******t mothers significantly increase their body mass prior to hibernation, and this increase is further reflected in the weight of the offspring. The fat accumulation enables them to provide a sufficiently warm and nurturing environment for their newborns. During hibernation, they subsequently lose 15–27% of their pre-hibernation weight by using their stored fats for energy.Ectothermic animals also undergo periods of metabolic suppression and dormancy, which in many invertebrates is referred to as diapause. Some researchers and members of the public use the term brumate to describe winter dormancy of reptiles, but the more general term hibernation is believed adequate to refer to any winter dormancy. Many insects, such as the wasp Polistes exclamans, exhibit periods of dormancy which have often been referred to as hibernation, despite their ectothermy. Botanists may use the term "seed hibernation" to refer to a form of seed dormancy.

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  1. P

    Closed QUESTION about computer hibernate.?

    Mga boss anu po ang mang yayari kung ang laptop ay palagi nlang nka hibernate? Hindi ba masisira ang computer? Battery? Hard drive? Or system? Thanks in advance.
  2. A

    Closed Panu iboot ang laptop after hibernate??

    Hi mga master, hingi po sana ako ng tulong. Ganito po nangyari May laptop po ako lenovo G460 nakadual boot ako linux and windows, naisipan kong magpalit ng distro ng linux so dinelete ko ung drives na gamit ng linux gamit ang disk management sa windows. Then gumawa ako ng bootable usb ng aking...
  3. M

    Closed Paano ko mareretrieve yung data na ininput ng users kapag clinick ko yung back button?

    Paano ko po mareretrieve yung data na ininput ng users kapag clinick ko yung back button? May page po kase ako mag eenter yung user ng data sa form pagtapos cliclick nya yung next button. Tapos sa susunod na page. May button ako na pwede kang bumalik sa previous page para ma-edit yung form mo...
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