When it is very cold, bears hibernate. What are bears NOT doing when they hibernate? A. They are sleeping. B. They are eating. C. They are moving. D. They are breathing. 相关知识点: 试题来源: 解析 C。解析:冬眠时,熊在睡觉、呼吸但不会移动和进食。A 选项睡觉是冬眠的主要特征;D 选项...
Bears often hibernate during winter. What triggers this behavior? A. Lack of food. B. Cold weather. C. Fear of predators. D. Boredom. 相关知识点: 试题来源: 解析 A。本题考熊冬眠的触发因素。选项 A,冬季食物缺乏促使熊冬眠;选项 B,寒冷天气不是直接触发因素,食物缺乏更关键;选项 C,害怕捕食...
where their body temperature slightly decreases, and metabolism slows down, but they remain more alert and can awaken more easily. During this period, bears rely on fat reserves accumulated throughout the active months, enabling them to go without eating, drinking, or eliminating...
Bears like to sleep in winter. What do we call this? A. Run. B. Play. C. Hibernate. 相关知识点: 试题来源: 解析 C。解析:熊在冬天喜欢睡觉,这种行为叫冬眠,hibernate 是冬眠的意思。A 选项 run 是跑,B 选项 play 是玩,都不符合熊冬天睡觉的习性。
good way to avoid the cold is to sleep through it.Many animals hide during the winter.Their bodies slow down.They save their energy (精力).They do not eat.They depend on their fat (脂肪).They do this until food returns.We call this hibernation (冬眠).Snakes,frog...
Bears hibernate during winter. This means they go into a deep sleep for several months to conserve energy when food is scarce. Elephants are known for their strong family bonds. They live in groups called herds, which are led by the oldest female, known as the matriarch. Dolphins are highly...
[04:59.88]On average, bear markets have taken 13 months to go from peak to trough, [05:07.63]or from the highest to the lowest points. [05:13.12]They also have taken about 27 months to get back to the break-even point since the 19...
I thought only some mammals hibernate. I never knew that reptiles do too. I guess I was wrong. BySteamLouis— On Feb 10, 2011 @burcinc-- Actually, it doesn't. Most animals which do hibernate do so during winter because they are not able to find enough food during those months and ...
Where Do the Terms "Bull" and "Bear" Come From? The terms “bear” and “bull” are thought to derive from how each animal behaves. Bulls charge, so the nickname represents a surging stock market. In contrast, bears hibernate, so bears represent a market that’s retreating. ...
Snakes, frogs and bears hibernate in winter.Many animals stay active in winter and adapt to (适应) the cold weather. Some animals save food in summer and autumn and eat it in winter. This is what squirrels do. Other animals make changes in their bodies or behavior...