【题目】Bears eat human food when they can, o眠). In turn, bears that hibernated less were The new research, grew out of an earlier p roject to see what wild black bears across Colo son.Another researcher Rebecc a Kirby checked diets of hundreds of bears across the state w hen she ...
How long do bears hibernate before winter? A. For a year. B. For six months. C. For two months A7. Why do bears have to get fat for winter? A. Because they want to take part in the competition. B. Because they need fat to live during the hibernation. C. Because they want to...
Which bears hibernate? How long can a green iguana go without eating? What do tortoises eat? How long do green iguanas live in captivity? How long is a basking shark? Are tortoises an endangered species? When were pandas put on the endangered species list?
Winter was coming on, tourists were leaving the park and the little bears didn’t know how to look for food for themselves. When they hibernated (冬眠) and then woke up in the middle of winter because they had eaten all the wrong things and hadn’t stored up enough...
But even as plants go dormant, bears hibernate, and humans strive to get cozy, the planet itself keeps bustling along around us. Strange things happen when frigid temperatures settle in for the long haul. Weird noises rise, freak snow showers fall, and odd formations...
Bears, snakes, frogs and even some bugs(甲虫) hibernate(冬眠).Some animals stay active in winter. They must adapt(适应)to the changing weather. Many make changes in their behavior or bodies. To keep warm, animals may grow new, thick fur in the fall. 38 Some of them, like mice, ...
As w inter comes, the tree uses the food it has stored duri ng spring and summer, and goes into a rest period.Actually, trees hibernate just like bears do! T he onl y difference is that bears lie down in a cave to slee p. and trees lose all their leaves and stand up to sle ...
Do red foxes mate for life? How do red foxes communicate? When do chimpanzees sleep? How do red foxes reproduce? Why are foxes red? How do red foxes adapt to their habitat? Do red foxes hibernate or migrate? Are red foxes aggressive?
Do you know how animals spend their winter?The biggest problem for most animals inwinter is finding enough food.If an animal can not find enough insects or green plants and so on,it will choose to hibernate.This deep sleep helps them to save energy, and live through the winter with little...
Do wolves get cancer? When did the species Canis lupus become endangered? When did hominins diverge from great apes? Are huskies related to wolves? Do wolves hibernate? How do wolves mark their mates? Do wolves howl? How often do wolves have pups? Where do timber wolves live? How are red...