关于鲸的介绍英语作文
关于鲸的介绍英语作文
鲸是生活在海洋中的哺乳动物。有的鲸身体很大,最大的体长可达30米,最小也超过6米。目前,已知最大的鲸约有16万公斤重,我国发现了一头近4万公斤重的鲸,约有17米长.鲸的体形像鱼,呈梭形。头部大,眼小,耳壳完全退化。颈部不明显。前肢呈鳍状,后肢完全退化;多数种类背上有鳍;尾呈水平鳍状,是主要的运动器官。有齿或无齿。鼻孔一或二个,开在头顶。成体全身无毛(有许多种类只在嘴边尚保存一些毛)。皮肤下有一层厚的脂肪,可以保温和减小身体的比重。用肺呼吸,在水面吸气后即潜入水中,可以潜泳10~45分钟。一般以浮游动物、软体动物和鱼类为食。胎生,通常每胎产一仔,以乳汁哺育幼鲸。但许多人分其为鱼类,事实上它们不是鱼类而是哺乳动物。分布在世界各海洋中。下面一起欣赏小编整理的文章吧。
关于鲸的介绍英语作文
英语作文一:
Nowadays, the whales is in danger. Because many countries kill them for different use, they are dying out. To protect our earth and ocean, especially the diversity of creatures. we must realize that we should take effective measures to protect them. If the whales died out, it would have an important influence on other animals in the sea. Also, the environment will be changed. I sincerely hope that we can make our effort to save them!
英语作文二:
In particular, is the giant whale mass stranding of whales is not uncommon, even in the same group of whales stranded in a few days in a row, but because it has always been hard to understand. According to the scientists speculate, as the whale to have a strong group of marine animals, and the scope of activities near the coast, so there are two possibilities: First, the leading whale sick, toward the beach, the other whales also customary to follow the whale to the Forward setting; Second, the whales chasing prey into the bank. When one or a few stranded whales, other whales will follow suit or to try to rescue, resulting in a large number of whales stranded at the same time on the same piece of the beach.
英语作文三:
Marine environment is one in water, seawater tolerance hydrolyzate and suspended solids, seabed sediment and marine organisms, including complex systems. Ocean rich biological resources, mineral resources, chemical resources and power resources is an indispensable resource treasure house of human beings, with human survival and development of the relationship very close.
The main objective of the current marine conservation is to protect the living marine resources, so as not to failure, in order for human sustainable use. In particular, give priority to protect those valuable and critically endangered marine life. According to the UN for investigation, due to overfishing, accidental capture and killing of non-target to allow hunting of marine, coastal shoreline construction, mangrovve deforestation, widespread marine pollution, at least the world's 25 most valuable fishery resources depleted, whales, sea turtles, manatees and many other marine animals face extinction risk. Is expected that with the expansion of the scale of ocean development,
Marine living resources are likely to cause more damage.
The task of the first marine protected right to stop over-exploitation of living marine resources and secondly to protect the habitat of marine life or habitat, in particular, their migration, spawning, foraging, avoiding predators coast, tidal flats, estuaries, coral reefs, it is necessary to prevent the heavy metals, pesticides, oil, organic and easy to produce nutrients such as eutrophication of marine pollution. Preservation of the marine living resources of the natural regeneration capacity and water purification capacity, preservation of the marine ecological balance, to ensure sustainable human development and utilization of the oceans.
海洋环境是一种在水、海水、宽容和悬浮固体物水解液海洋底质和海洋生物,包括复杂的系统。海洋丰富的生物资源、矿产资源、化工资源和电力资源是一个不可或缺的资源宝库人类,与人类的'生存和发展的关系非常密切。
目前的首要目标是保护海洋保护海洋资源,使生活不失败,为了人类的持续使用。特别是,优先保护那些有价值的、严重濒临灭绝的海洋生物。根据联合国调查,由于过度捕捞,意外捕获和杀害,对非靶标生物的允许打猎、沿海岸线建设海洋、红树林森林砍伐,广泛的海洋污染,至少世界上的25个最有价值的渔业资源枯竭、鲸鱼、海龟、海牛和许多其它海洋动物面临灭绝的危险。预计,随着规模的扩大海洋开发,
海洋生物资源,容易造成更大的伤害。
这项任务的第一个海洋保护权利海洋资源的过度开采生活停止,其次要能够保护海洋生物的栖息地或爱必居,特别是它们的迁徙,产卵,觅食,躲避捕食者,潮汐河口海岸,公寓,珊瑚礁,这是必要的,以防止重金属、农药、油、有机和容易产生富营养化水体的营养物质如海洋污染。保护海洋生物资源的自然再生能力和水净化能力、保存了海洋生态系统的平衡,以确保可持续人类开发和利用的海洋。
关于鲸的英语作文
关于鲸的英语作文
鲸属于脊索动物门,脊椎动物亚门,哺乳纲,真兽亚纲,包含了大约98种生活在海洋、河流中的胎生哺乳动物。下面是小编整理的鲸的英语作文,希望对大家有帮助!
鲸的英语作文1
A whale is a huge animal, it is full of treasure.
The Japanese whaling, often take a whale as one of the world's delicious. The Japanese whales catch, is not to eat is to do things, the number of whales now less and less, don't whaling nations, the Japanese whaling. The Japanese had captured 440 minke whales. Is anyway not to put the sell those poor minke whales to hotel. The Japanese whaling said again, we are used to study. In fact, the Japanese whale meat to the restaurant and hotel, just want to get rich. The Japanese would really lie. I really hate them.
The whales that state protection. Now the Japanese whaling. If you don't eat whale hunt to the Japanese, the state is relieved. How do we let the Japanese whaling! This makes the motherland to worry.
I thought, and the Japanese peace, no, they will also have the whaling. Or let them whaling, no. We secretly protecting whales, no. Talk to the Japanese President conditions, no, no, all not line.
We watched the whales by the Japanese to catch to eat! We Chinese will try every way to save the whales!
鲸的英语作文2
Blue whale is the world's largest animal, the body was blue-gray. Now catch the largest blue whale to the site in the Atlantic near the Falklands. This 33.5 m long blue whale, weighing 195 tons that is much greater than its tongue elephant weighing about 3 tons of its 700 kg heart weight, lung weight 1500 kg, the total blood weight of about 8 tons to 9 tons, intestines are half a mile long. Such a large body can only live in the vast ocean. Whale is an outstanding singer in water, "singer" When push "humpback." In 1971, biologists from the United States under the sea seeking the "humpback" voice is analyzed and found a very special sound signals. The original of these "humpback" issued a series of beautiful sounds, sound mildly varying tone. These sounds continued for 30 minutes, then sing from scratch, from the cadence, to judge the degree of light sweet Man, can travel to sea whales never lost. Usefulness of the people all the whales is very good, a lot of dead whales now, so that human beings are to be discarded, we need to protect the whales, so they continue to multiply Health habitat. Let people according to their benefits, create more advanced equipment, whale is a human friend. Why touch? Yes, I have here a bit information: whales, sea travel will not get lost all use of the whale is a very good person, and now a large number of dead whales, so that human beings are discarded, we need to protect whales, so that they continue to suffer from habitat reproduction. Let people according to their benefits, create more advanced equipment, whale is a human friend. Whales every day to sleep. Sleep, always a few heads together, and if there are sound, they scattered and went away. Whales can live for decades or a century.
鲸的英语作文3
Nowadays,the whales is in danger.Because many countries kill them for different use,they are dying out.To protect our earth and ocean,especially the diversity of creatures.we must realize that we should take effective measures to protect them.If the whales died out,it would have an important influence on other animals in the sea.Also,the environment will be changed.I sincerely hope that we can make our effort to save them!
鲸的英语作文4
Whale are huge animals.They live in the sea and eat small fish and other sea life.One intere sting fact is whales can jump high out of water.Some kinds of whales are in danger because humans catch them formeat,fat,and oil,and use whale parts to make candles and soap.Whales are also in danger from water pollution.We should protect whales by making rules on whale protection and by not putting rubbish into the sea.I think people should learn more about whales.
鲸的英语作文5
In particular, is the giant whale mass stranding of whales is not uncommon, even in the same group of whales stranded in a few days in a row, but because it has always been hard to understand. According to the scientists speculate, as the whale to have a strong group of marine animals, and the scope of activities near the coast, so there are two possibilities: First, the leading whale sick, toward the beach, the other whales also customary to follow the whale to the Forward setting; Second, the whales chasing prey into the bank. When one or a few stranded whales, other whales will follow suit or to try to rescue, resulting in a large number of whales stranded at the same time on the same piece of the beach.