A. what bears eat if there is no food in the wildB. how long bears can hibernateC. how much bears can eatD. if it is good for bears to eat human food( )6. According to the scientists, bears that eat human food___.A. will act more like humansB. may live shorter livesC...
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Why Do Bears Hibernate? by Darice Bailer (Tell Me Why, Tell Me How series) (eBook)Bailer, Darice
However, in hibernating animals, like bears or Arctic ground squirrels, this system gets altered during the winter so they can lower their body temperature and survive the cold for long periods. During the hibernation process, or torpor, the body's usual responses to cold exposure are inverted ...
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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...
By this definition, bears don't hibernate, because their body temperature drops only slightly and they awake relatively easily. Not everyone accepts this narrow definition, however. For the purposes of this article, we'll use the term hibernation to describe any long-term reduction in body ...
These bears are also special because, unlike other hibermators, they do not eat or drink at all while hibernating, which can be as long as six months.7. What's the most difficult for most animals in winter? A. Most animals find it difficult to eat or drink in the winter. B. Most...
way to avoid the cold is to sleep through it. Many animals hide during the winter. Their bodies slow down. They save theirenergy(精力). They do not eat. They depend on theirfat(脂肪). They do this until food returns. We call thishibernation(冬眠). Snakes, frogs, and bears hibernate....
Today, it's not a question if polar bears are endangered. It's just a matter of how long. But even more, polar bears aren't the only ones in danger. Their prey is also being wiped out by global warming -- putting polar bears at greater risk of starving. The World Wildlife Fund an...