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以冬眠為話題的英語(yǔ)作文（通用6篇）
大家一定都接觸過(guò)作文吧，特別是其中的話題作文，更是常見，話題作文的主題不必從材料中提煉，而是從話題引發(fā)出來(lái)的，材料的作用在于闡發(fā)話題，啟發(fā)學(xué)生作文思路，就材料本身而言，既可以運(yùn)用到寫作中，也可以不加采用。這種類型的作文要怎么寫呢？下面是小編為大家收集的以冬眠為話題的英語(yǔ)作文，希望對(duì)大家有所幫助。
以冬眠為話題的英語(yǔ)作文 1
Hibernation is more than sleep. It is a very deep sleep.The animals temperature drops to just over zero centigrade,and its heart beats very slowly. People who find hibernating animals asleep often think that they are dead: the body feels very cold, and the creature may breathe only once every five minutes. A hibernating animal cannot feel any pain. You can touch it, or even pull its tail, without causing it to move or wake up. In its hibernating state it can even live in a poisonous atmosphere for a long time without any ill effect.
Hibernating in this way, the animal can sleep all through the winter. You might wonder how it manages to live without eating for so many months. The answer lies in two facts. Thefirst is that it has stored supplies of fat in its body during the summer and autumn. The second is connected with the main use the body makes of food -- to supply the energy for movement. We have seen that hibernating animal reduces movement to far below the ordinary level. Even the movements of the heart and lungs are greatly reduced. The animal hardly makes any movement, hardly use any energy, and hardly needs any food.
Some animals, including some bears only half hibernate.That is to say, they sleep during the winter, but their sleep is not deep and their body temperature does not drop, as they are warm-blooded animals. In the antumn the bear eats and eats and becomes very fat. His hair grows longer. Soon he has a thick covering of fat and fur. In November he finds a place to lie down and goes to sleep. On warm winter days he may think spring has arrived; he gets up and walks around. When he sees that the snow is still thick on the ground, he quickly goes to sleep again.
以冬眠為話題的英語(yǔ)作文 2
Hibernation is a fascinating natural phenomenon that many animals experience to survive harsh winters. During hibernation, an animals body temperature drops significantly, and its heart rate and breathing slow down dramatically. This state of inactivity allows them to conserve energy when food is scarce.
Take the bear as an example. Before winter arrives, bears eat large amounts of food to build up fat reserves. Once they find a suitable den, they enter hibernation. Their body temperature can drop from the normal 37°C to as low as 30°C, and their heart rate slows from about 40 - 50 beats per minute to only 8 - 12 beats per minute. Despite this, they can wake up quickly if there is a threat.
Another hibernating animal is the hedgehog. When the temperature drops, hedgehogs curl up into a ball in their nests. Their body functions slow down so much that they hardly need to eat or drink. In this way, they can survive the cold winter months with limited resources.
Understanding hibernation not only helps us appreciate the amazing adaptability of animals but also provides insights into how organisms can survive in extreme conditions. It is a wonder of nature that continues to intrigue scientists and nature lovers alike.
以冬眠為話題的英語(yǔ)作文 3
Hibernation plays a crucial role in the survival of many animals. In regions with cold winters, food becomes scarce, and the environment becomes inhospitable. Hibernation provides a solution for animals to endure these difficult times.
For instance, bats are well - known hibernators. As winter approaches, they gather in caves or other sheltered places. Bats body temperatures can drop close to the ambient temperature, and their metabolic rate decreases to a very low level. This reduction in energy consumption enables them to survive on their stored fat throughout the winter. Without hibernation, most bats would not be able to survive the long, cold months without sufficient insects to feed on.
Ground squirrels also rely on hibernation to make it through winter. They spend the warmer months fattening up, and then hibernate in underground burrows. During hibernation, their body processes slow down to a minimum, allowing them to stretch their limited energy reserves. This adaptation has allowed ground squirrels to inhabit areas with harsh winters for thousands of years.
In conclusion, hibernation is an essential survival strategy for many animals. It allows them to overcome the challenges of winter and ensures the continuation of their species. By studying hibernation, we can better understand the complex relationships between animals and their environments.
以冬眠為話題的英語(yǔ)作文 4
Imagine a world where humans could hibernate. The concept might seem like something out of a science - fiction story, but it could have some interesting implications.
If humans hibernated, it would be a complete change in our lifestyle. Before hibernation, people would need to prepare, perhaps by storing food and making sure their living spaces were warm and secure. Once in hibernation, our bodies would enter a state of reduced activity. Our heart rate and breathing would slow down, and our metabolism would decrease. This could potentially be a way to conserve resources during times of scarcity or extreme environmental conditions.
There could also be medical benefits. Hibernation - like states could be used in medical treatments. For example, patients with severe injuries or certain medical conditions might be put into a hibernation - like state to slow down their body processes and give doctors more time to treat them.
However, there would be challenges too. Waking up from hibernation would need to be carefully controlled. Also, the social and economic impacts would be significant. Businesses would need to adjust, and there would be questions about how to maintain essential services during the hibernation period.
In short, while the idea of human hibernation is currently just a thought experiment, it opens up a world of possibilities and considerations about our future and our relationship with nature.
以冬眠為話題的英語(yǔ)作文 5
Hibernation has long been a subject of scientific research, and the prospects of this research are both exciting and full of potential. Scientists are constantly exploring the mechanisms behind hibernation, aiming to unlock its secrets.
One area of research is focused on the genetic and biochemical processes that trigger and regulate hibernation. By studying hibernating animals, such as the arctic ground squirrel, researchers hope to identify the genes and chemical signals involved. This knowledge could have far - reaching applications. For example, it could lead to the development of new medical treatments. In the future, doctors might be able to induce a hibernation - like state in patients with heart attacks or strokes, reducing the damage to their organs.
Another aspect of hibernation research is related to space exploration. Long - distance space travel requires astronauts to endure long periods in a confined space with limited resources. If scientists can figure out how to induce hibernation in humans safely, it could revolutionize space travel. Astronauts could spend long - term missions in a hibernation state, reducing the need for large amounts of food and oxygen.
Although there are still many challenges to overcome, the research on hibernation holds great promise. It has the potential to transform medicine, space exploration, and our understanding of life processes. As technology and research methods continue to improve, we may soon see significant breakthroughs in this fascinating field.
以冬眠為話題的英語(yǔ)作文 6
Hibernation is not only a survival strategy for individual animals but also an important part of maintaining ecological balance. The hibernation of certain animals affects the entire ecosystem in various ways.
For example, the hibernation of insects can have a significant impact on the food chain. Many insects hibernate during the winter months. When they do, the predators that feed on them, such as birds and small mammals, have to adjust their feeding habits. This, in turn, can affect the population dynamics of these predator species. If the number of hibernating insects is too low, the predators may face food shortages, which could lead to a decline in their numbers.
On the other hand, the hibernation of larger animals like bears also plays a role in the ecosystem. Bears are important seed dispersers. When they hibernate, they reduce their activity in the environment. After waking up from hibernation, they resume their normal behavior, including foraging and moving around. This helps to spread seeds and nutrients, contributing to the growth and diversity of plants in the ecosystem.
In conclusion, hibernation is an integral part of the ecological balance. The hibernation patterns of different animals interact with each other and with the environment, influencing the distribution and abundance of species. Understanding these relationships is crucial for the conservation and management of ecosystems.
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