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.
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...
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 summer and fall and live on them. This is what squirrels (松鼠) do....
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...
10). Mashable will be following all the ursine activity.Welcome to Fat Bear Week at Mashable! Each fall, Katmai National Park holds a competition as Alaska’s brown bears finish fattening up for their long winter hibernation. This year, Mashable is getting in on the salmon-munching action. ...
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What do bears, bats and frogs have in common? They all hibernate. Hibernation is a state often compared to sleep. It usually occurs in winter, when a creature does not move for weeks or months continuously. Creatures hibernate to survive the cold weather and the absence of food. A typical...
Animals like snakes, bears and frogs hide themselves during the winter. They sleep and do not eat for the whole winter. We call it hibernation . Other animals, like ants and bees, stay close together to keep warm. Ants spend the summer looking for food. They keep the food under the ...
Some warm-blooded animals hibernate in a deep sleep and will not even eat, as they slow down many of their body functions to be able to survive the extreme cold of winter. When bears hibernate, their heart rate, temperature, and breathing are lowered enough to keep them safe. Instead of...