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本文目录

1. 鲸鱼的生活习性
2. 鲸的生活习性
3. 用英文介绍鲸鱼习性的句子有哪些

一、鲸鱼的生活习性

1、鲸鱼不喝海水，相反，它们通过代谢脂肪从食物中提取水。虽然它们的特定范围因物种而异，但鲸鱼生活在世界各地的海洋中。因为鲸鱼体内有很多的脂肪，所以它们很容易在水中浮起来。

2、与海豚一样，鲸鱼被认为是陆地动物的后裔，这些动物在陆地上生活了数百万年，大约5000万年前回到了水里。大约5000万年前，鲸鱼在陆地上行走，大小和狼差不多。

3、鲸鱼必须经常浮出水面来呼吸，所以只有一半的大脑在睡觉。鲸鱼的耳垢显示鲸鱼的年龄，类似于树木年轮揭示树木年龄的方式。

4、抹香鲸可以潜入水中两英里深，它们的身体有独特的生理适应能力，使它们能够在潜水的强烈寒冷和压迫性压力下生存下来。蓝鲸是世界上最大的鲸鱼，也被认为是世界上最大的动物。成年蓝鲸的体长可达108英尺，体重可达200吨。

5、因为每种鲸鱼的尾巴都有其独特的特征，因此可以让鲸鱼观察者在远处识别不同物种。蓝鲸的叫声比喷气式发动机更响亮，可以持续30秒，抹香鲸实际上是世界上叫得最响的鲸鱼。

6、除了人类以外，鲸鱼没有其他的天敌。几千年来，人类一直在捕猎大型哺乳动物，以获取它们的肉和其他原材料。抹香鲸睡觉时竖直地垂在水中，鼻子探出水面。

一类是须鲸，口中有须无齿，共1 1种；须鲸的种类虽少，但个体都很大，最小的种体长也大于6米。其中，体形最大的是蓝鲸，一头成年的蓝鲸体长可达30米，体重达180Ⅱ屯；虽然其体型巨大，但却以体形很小的南极磷虾和其他小型鱼虾为食。

另一类是齿鲸，口中有齿无须。齿鲸种类较多，有70多种，体长从1米到30米都有。抹香鲸、虎鲸、海豚、鼠海豚都属于齿鲸类，它们都为肉食性，以鱼、无脊椎动物和其他哺乳动物为食。

二、鲸的生活习性

1、鲸是完全水栖的哺乳动物，外形看起来和鱼很相似，身体长度一般在1米-30米之间，皮肤裸露，仅吻部有很少的毛，皮下有厚厚的脂肪。这些脂肪有助于保持体温，当它们在水中生活时，这些脂肪能减少身体比重，有利于游泳。

2、鲸是完全水栖的哺乳动物，有的主要靠回声定位寻食避敌。一般以软体动物、鱼类和浮游动物为食，有的种类也能捕食海豹、海狗等。

3、鲸每隔一段时间，必须换气。一般冬季从高纬度冷水区游向低纬度热水区产仔，夏季又由低纬度游回高纬度冷水区捕食。

4、鲸目动物是哺乳动物中少有的水生物种，海豚便是其中一种。它们是由陆生哺乳动物中的偶蹄目动物演化而成，大约于5000万年前回到水中生活。

5、鲸目动物的“二次入水”事件是哺乳动物进化史中一次罕见的生活史转变，它们的生活习性由陆生转变为完全水生。剧烈的环境转变导致它们在生理上及结构上都发生了显著的改变以适应水生生活；

6、例如具有增厚的皮下脂肪层（鲸油），长时间潜水及回声定位的能力，同时具有强大的肌肉系统支持水中运动等。尽管人们已经了解到很多生理形态上的适应性特征，但是这些特征的分子基础并没有得到系统性的解决。

三、用英文介绍鲸鱼习性的句子有哪些

1.用英语介绍一些关于鲸鱼习性的句子

1、The blue whale is the largest animal ever to inhabit the Earth.Blue whales are found throughout the world's oceans. These gentle giants have grayish-blue skin with light spots. Measuring 70 to 80 feet in length, blue whales can weigh as much as 90 to 150 tons, although females are larger than the males. 2、The blue whale is the largest mammal, possibly the largest animal, to ever inhabit the earth. Its body is long, somewhat tapered, and streamlined, with the head making up less than one-fourth of its total body length. Its rostrum(upper part of the head) is very broad and flat and almost U-shaped, with a single ridge that extends just forward of the blowholes to the tip of the snout. Its blowholes are contained in a large, raised"splash guard", and the blow is tall and straight and over 20 feet(6 meters) high. Its body is smooth and relatively free of parasites, but a few barnacles attach themselves to the edge of the fluke and occasionally to the tips of the flippers and to the dorsal fin. There are 55-68 ventral grooves or pleats extending from the lower jaw to near the navel.。

1、The blue whale is the largest animal ever to inhabit the Earth.Blue whales are found throughout the world's oceans. These gentle giants have grayish-blue skin with light spots. Measuring 70 to 80 feet in length, blue whales can weigh as much as 90 to 150 tons, although females are larger than the males. 2、The blue whale is the largest mammal, possibly the largest animal, to ever inhabit the earth. Its body is long, somewhat tapered, and streamlined, with the head making up less than one-fourth of its total body length. Its rostrum(upper part of the head) is very broad and flat and almost U-shaped, with a single ridge that extends just forward of the blowholes to the tip of the snout. Its blowholes are contained in a large, raised"splash guard", and the blow is tall and straight and over 20 feet(6 meters) high. Its body is smooth and relatively free of parasites, but a few barnacles attach themselves to the edge of the fluke and occasionally to the tips of the flippers and to the dorsal fin. There are 55-68 ventral grooves or pleats extending from the lower jaw to near the navel.。

Whales are completely aquatic mammals。鲸鱼是完全水栖的哺乳动物。They look very similar to fish。外形看起来和鱼很相似。Their body length is usually between 1 and 30 meters。身体长度一般在1米-30米之间。

Their skin is bare, their snout has very little hair and their skin is thick with fat。仅吻部有很少的毛，皮下有厚厚的脂肪。

These fats help maintain body temperature, and when they live in water, they reduce body weight and are good for swimming。这些脂肪有助于保持体温，当它们在水中生活时，这些脂肪能减少身体比重，有利于游泳。

由于环境恶化和人类的大量捕杀，鲸目成员特别是一些大型成员由于经济价值高而受到广泛捕猎，许多鲸类已濒临灭绝。国际捕鲸委员会（IWC）是一个负责管理捕鲸和鲸类保护的国际性组织。在商业捕鲸导致鲸数量锐减后，IWC决定采取行动保护鲸类。

其中包括从1986年开始暂时性禁止商业捕鲸，分别于1979年和1994年建立了印度洋鲸类保护区和南大洋鲸类保护区。然而从1986年以来，因为日本、挪威等一些国家利用了IWC决议的漏洞，打着“科学捕鲸”的旗号每年捕杀了至少2,5000头鲸或海豚。

Whales鲸鱼 1.Everyone has heard about whales.What a beautiful sight it must be to sea a whale.It is no wonder so many stories have been written about them.In years gone by,men sailed in ships that did not take them back to their homes for many years.Their job was to capture whales.They sold certain parts of the whales to people for different uses.The whale was valuable because it was not easy to get.Whaling is not a job for many people any more.We no longer need very much of anything from whales.人人都听说过鲸鱼.而观赏鲸鱼又是多么美妙的事情，无怪乎有那么多关于鲸鱼的故事.过去的年月里，许多人出海航行，很多年也不回家，他们的工作就是捕鲸.他们将鲸鱼身体的各部分卖给不同的人做不同的用途.因为鲸鱼不容易捕获所以它们很值钱.但是，捕鲸已经不再是很多人的职业.我们已经不再需要鲸鱼身上的东西了.2.There have been many stories written about whales.They are good stories to read because they always tell of adventure.曾经有许多描写鲸鱼的故事.它们都是一些值得阅读的好文章，因为它们总会讲述一些冒险经历.3.To enjoy a story about whales it is a good idea to learn as much about them as you can.Aboard the whaling ship you would hear a man shout:"There she blows!Whale off the starboard bow！"欣赏有关鲸鱼的故事是一个好办法，可以让你尽可能多地了解到关于鲸鱼的知识.登上捕鲸船上你将听到一个水手的高喊：“它在那喷气！鲸鱼在右弦船头！” 4.The lookout on a whaling ship has sighted a spouting whale.All hands spring to their jobs.The harpooner takes aim with his gun and fires.There is a short fight.The whale is dead.Its body is taken aboard the ship.A crew of men sets to work stripping the great whale of its blubber.捕鲸船上的了望者看到了一头正在喷气的鲸鱼.所有的人立即投入各自的工作.鱼叉手用他们的鱼枪瞄准，然后开火.这是一场非常短的战斗.鲸鱼死了，它的身体被拖上了船的甲板.一个水手带着工具，去剥离这条巨大的鲸鱼的鲸脂.5.The thick fat,or blubber,under the whale's skin protects the animal against cold waters.It is for the valuable oil in blubber that whales are hunted.厚厚的脂肪，或者说是鲸脂，在鲸鱼的皮下用于保护它，去抵御寒冷的海水.恰恰为了从鲸脂中获得有价值的油，鲸鱼遭到捕猎.。

Any of various aquatic, chiefly marine mammals of the order Cetacea, including the whales, dolphins, and porpoises, characterized by a nearly hairless body, anterior limbs modified into broad flippers, vestigial posterior limbs, and a flat, notched tail.鲸目动物：鲸目动物中的一种水生动物，主要是海生哺乳动物，包括鲸、海豚和鼠海豚，特征为身体几乎无毛、前肢变成宽大的鳍、后肢退化及尾扁平而分叉。

Whale habits: migration is the sea of life: South, the Arctic waters and tropical waters do seasonal movement of food: minke whales to plankton in the sea whale-tooth fish, crustaceans categories: breast-feeding program, cetaceans relatives: dolphin, exposed ridge Whales, sperm whales life: about 40 small and large about 60鲸鱼习惯：迁移是生命的海洋：南、北极水域和热带水域做季节性运动的食物：小须鲸浮游生物在海洋whale-tooth鱼、甲壳类动物类别：母乳喂养程序，鲸类亲戚：海豚，暴露脊鲸、抹香鲸生活：约40大小约60。

Any of various aquatic, chiefly marine mammals of the order Cetacea, including the whales, dolphins, and porpoises, characterized by a nearly hairless body, anterior limbs modified into broad flippers, vestigial posterior limbs, and a flat, notched tail.

鲸目动物：鲸目动物中的一种水生动物，主要是海生哺乳动物，包括鲸、海豚和鼠海豚，特征为身体几乎无毛、前肢变成宽大的鳍、后肢退化及尾扁平而分叉

Whale habits: migration is the sea of life: South, the Arctic waters and tropical waters do seasonal movement of food: minke whales to plankton in the sea whale-tooth fish, crustaceans categories: breast-feeding program, cetaceans relatives: dolphin, exposed ridge Whales, sperm whales life: about 40 small and large about 60。

1、The blue whale is the largest animal ever to inhabit the Earth.Blue whales are found throughout the world's oceans. These gentle giants have grayish-blue skin with light spots. Measuring 70 to 80 feet in length, blue whales can weigh as much as 90 to 150 tons, although females are larger than the males.

The blue whale is the largest mammal, possibly the largest animal, to ever inhabit the earth. Its body is long, somewhat tapered, and streamlined, with the head making up less than one-fourth of its total body length. Its rostrum(upper part of the head) is very broad and flat and almost U-shaped, with a single ridge that extends just forward of the blowholes to the tip of the snout. Its blowholes are contained in a large, raised"splash guard", and the blow is tall and straight and over 20 feet(6 meters) high. Its body is smooth and relatively free of parasites, but a few barnacles attach themselves to the edge of the fluke and occasionally to the tips of the flippers and to the dorsal fin. There are 55-68 ventral grooves or pleats extending from the lower jaw to near the navel.

Some of the kinds of whales are the blue whale, the humpback, the gray whale, and the white whale.鲸鱼的种类还包括蓝鲸，座头鲸，灰鲸和白鲸。Any of various aquatic, chiefly marine mammals of the order Cetacea, including the whales, dolphins, and porpoises, characterized by a nearly hairless body, anterior limbs modified into broad flippers, vestigial posterior limbs, and a flat, notched tail.

鲸目动物：鲸目动物中的一种水生动物，主要是海生哺乳动物，包括鲸、海豚和鼠海豚，特征为身体几乎无毛、前肢变成宽大的鳍、后肢退化及尾扁平而分叉Whale habits: migration is the sea of life：South, the Arctic waters and tropical waters do seasonal movement of food：minke whales to plankton in the sea whale-tooth fish, crustaceans categories：breast-feeding program, cetaceans relatives： dolphin, exposed ridge Whales, sperm whales life： about 40 small and large about 60鲸鱼的习惯：迁移是生命的海洋：南、北极水域和热带海域的季节性运动的食物：小须鲸，浮游生物在海洋鲸齿鱼、甲壳类动物类别：母乳喂养程序，鲸类的亲戚：海豚，暴露的脊鲸、抹香鲸生活：约40小和大的大约60

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