下雪的季节,也是孩子们纵情欢乐的时候,团雪球、打雪仗,多开心!不过,嘘,小点声,还有睡大觉的呢!没错,这个时候,有很多动物都在睡大觉。这是它们适应冬季外界不良环境形成的习性,叫冬眠,也叫“冬蛰”。冬眠的动物很多,包括哺乳动物、节肢动物、两栖类、爬虫类等。它们在寒冷冬季时体温可降低到接近环境温度,几乎到0℃,全身呈麻痹状态,在环境温度进一步降低或升高到一定程度,或在其他刺激下,体温可 Snow season, but also children indulge in joy, the group snowball, snowball fight, more happy! However, shh, the sound of small, as well as sleep it! Yes, this time, a lot of animals are sleeping Great feeling. This is their habit to adapt to the formation of bad environment in winter, called hibernation, also called “winter sting ”. Many hibernating animals, including mammals, arthropods, amphibians, reptiles and so on. They are able to reduce body temperature to near ambient temperature in cold winters, virtually paralyzed at almost 0 ° C, further decrease or increase to a certain extent at ambient temperature, or under other stimuli,