6) Bears that have just come out of hibernation are usually very hungry for food. The bears are very dangerous at this time of the year.7) The author should have shortened the story about half as long as the story was.8) The city's environmental surroundings are not the best insofar a...
Whales travel hundreds of miles, and some fish also swim to warmer waters.HIBERNATION The third way animals deal with the cold is to sleep through the whole winter. Hibernation is most likely something you've heard of bears doing, but other animals, like snakes and bats hibernate, too. In...
They are in hibernation (冬眠) 【小题5】 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. Winter is cold in northern countries, but animals are smart...
But the researchers also calculated what might come next: how long the bears could go on if they didn't find more calories somewhere. Some had the fat reserves to survive, but others, the numbers suggest, would approach starvation before the e...
But the researchers also calculated what might come next: how long the bears could go on if they didn't find more calories somewhere. Some had the fat reserves to survive, but others, the numbers suggest, would approach starvation before the end...
In the cold area, bears hibernate, or go to sleep from October to April. Before they start to hibernate, they eat a lot and store fat. The mother bear has its babies, usually two, towards the end of hibernation. A large bear is much cleverer than a cat and most other animals. You...
A major challenge is the fact that cells can be very simple systems, whereas body organs are far more complex(复杂的)."It's like moving from a simple Apple computer to a supercomputer, " said Marco Biggiogera, a hibernation researcher at Italy's University of Pavia.Just like bears and fr...
Some scientists have noted that SAD shows many similarities to hibernation the long snooze during which brown bears, ground squirrels and many other species turn down their metabolism (新陈代谢) and skip out on the worst of winter. SAD may have its roots in adaptations that conserve energy at...
3. Bears Flickr / Gregory “Slobirdr” Smith Turns out the idea that bears hibernate over the winter was a big fat lie. They do sleep more during the winter, and they do cut their metabolism in half. While they may not sleep through Christmas and New Year’s, they can go about 100...