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...
Bears usually hibernate in winter. What does hibernate mean? A. Run fast B. Swim well C. Sleep deeply D. Fly high 相关知识点: 试题来源: 解析 C。熊通常在冬天冬眠。冬眠的意思是深度睡眠。跑很快、游得好、飞得高都不是冬眠的意思。
Bears are well known for their winter sleep, referred to as torpor. Bears enter a lighter state of dormancy, 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 accumul...
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. What Lasts ...
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 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,frogs...
There are three answers to your question. First: We actually wake up early all the time. You see, bears don’t hibernate the way ground squirrels or other “true hibernators” do. Instead, we enter a state called torpor, which is like true hibernation except our body temperature, metabolic...
I thought that all animals that hibernate do so by themselves, but its not true. Raccoons, snakes, squirrels and mice cuddle together in sometimes hundreds to stay warm during the cold hibernation season. For some of these animals, hibernation and mating is the only time they actually get tog...
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...