Bear hibernation is part of a bear's annual cycle of activity, when its metabolic systems change and activity pauses for a period of time varying with the habitat's climate. Grizzly bears hibernate for 5–7 mon
Bears hibernate throughout winter months. Bears do not eat, drink or defecate when they hibernate but that doesn’t mean they are in complete repose. Actually, bears are not true hibernators, they enter a torpid state which is slightly different from true hibernation. In true hibernation, like...
A common definition of hibernation is a long-term state in which body temperature is significantly decreased, metabolism slows drastically and the animal enters a comalike condition that takes some time to recover from. By this definition, bears don't hibernate, because their body temperature drops...
People could be changing how bears sleep, and not in a good wayLindsay Dodgson
故选C。 4.B 细节 题。 第五段前 句Some other animals sleep for a long time in winter. They are in hibernation.和该段末句 Bears, snakes and frogs are such animals.可判断, 熊和蛇属 于冬眠动物。 故选B。 反馈 收藏
They are safe and warm in their homes in winter.Some other animals sleep for a long time in winter. They are in hibernation(冬眠). They eat much food in autumn. In winter they eat nothing. They're very hungry when they wake up in spring.They usually look for food in March or April...
Bears hibernate through the winter. They take a long sleep. This helps them live through the cold months. They don't have to worry about finding food. Some animals do the same thing in the summer. They have a summe...
shame. And all that time spent napping seems to have no effect on their natural agility should a dog suddenly appear in the garden. Similarly, black and brown bears manage to come out of several months of hibernation with their muscle mass intact – without having to lift so m...
Some other animals sleep for a long time in winter. They are in hibernation(冬眠). They eat much food in autumn. In winter they eat nothing. They’re very hungry when they wake up in spring. They usually look for food in March or April. Bears, snakes and frogs are such animals. ...
homes in winter.Some other animals sleep for a long time in winter.They are in hibernation(冬眠).They eat much food in autumn.In winter they eat nothing.They're very hungry when they wake up in spring.They usually look for food in March or April.Bears,snakes and frogs are such animals...