How do scientists know how to put dinosaurskeleton together? 92019-09 2 How do brown bears stay asleep during hibernation? 162019-09 3 How do Jellyfish sting? 202019-09 4 Amphibians 292019-08 5 Changing seasons 152019-08 6 Weather where you live 102019-08 7 Enjoying the weather 162019-08...
People could be changing how bears sleep, and not in a good wayLindsay Dodgson
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 months each year. But it isn't as clear-cut as curling up and going to sleep ...
由第四段第一句 Some animals begin to collect their winter food in autumn.可知, 有些动物在秋季 就开始储存食物。 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,...
4.Squirrels collect seeds and nuts.Beavers(海狸)collect sticks.Some other animals sleep for a long time in winter.They are in hibernation(冬眠).5.In winterthey eat nothing. They're very hungry when they wake upin spring. They usually look for food in March or April.Bears, snakes and ...
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...
Ground Squirrelshibernate to avoid food scarcity, with a significantly lowered metabolism. Groundhogshibernate in burrows, experiencing long periods of immobility and slow breathing to conserve energy. Bats(some species) enter prolonged hibernation in caves or sheltered spaces to survive cold months. ...
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. Winter ...
Increasing long-term memory Unlike other states of altered consciousness such as coma or hibernation, sleep can be reversed easily. In addition to visual signs such as lying down or finding a protected place to perch, sleep in animals is recognizable by closing of the eyes in those with eyelid...
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 are very hungry when they wake up in spring. They usually look for food in March or ...