Why do bears use less energy during hibernation? (列举一个原因即可 ) 相关知识点: 试题来源: 解析 Because their hearts slow down/Because their breathing slows down/Because their bodies don' t grow. /Because their body temperature drops.
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How Do Bears Sleep (Carolrhoda Picture Books)Describes, in verse, what goes on in the bear's den during winter hibernationE. J. BirdLerner Pub Group
Bears usually sleep in winter. What do we call this kind of sleep? A. hibernation B. siesta C. nap D. rest 相关知识点: 试题来源: 解析 A。解析:熊在冬天通常会冬眠,hibernation 是冬眠的意思;siesta 是午睡;nap 是小睡;rest 是休息。
Do bears sleep in hibernation? However, not many animals truly hibernate, and bears are among those that do not.Bears enter a lighter state of sleep called torpor. ... During hibernation an animal lowers its body temperature, slows its breathing rate, heart rate, and metabolic rate-the rate...
"There's a lot of damage that incurs during hibernation," he said, noting that it then takes an animal considerable energy to restore a body's imbalances.Even so, bears are resilient, and apparently equipped to deal with these challenges. It's a remarkable survival technique, and in many ...
Another good way to be away from the cold is to sleep through it. Many animals hide themselves during the winter such as snakes, frogs and bears. They sleep and do not eat for the whole winter. We call it hibernation.Some animals store food in their homes. They save some food in ...
Do Polar Bears Hibernate? The low metabolism rate is vital for the pregnant females to conserve energy. Polar bears do not go into deep hibernation and few researchers use the term’ dormancy’ to explain the dormant state. During hibernation, the body temperature of polar bears fairly drops fr...
They are safe and warm in their homes inwinter.Some other animals sleep for a long time in winter. They are in hibernation(冬眠)They eat muchfood in autumn. In winter they eat nothing. They're very hungry when they wake upin spring. Theyusually look for food in March or April. Bears...
What do the animals do before hibernation?7. Why do the animals eat a lot late in the summer and fall?8. Where do hibernating animals sleep in winter?9. How many kinds of hibernating animals are mentioned in the passage?10. Are bears the true hibernators? Why or why not? 相关知识...