寫(xiě)動(dòng)物的英語(yǔ)作文

時(shí)間：2022-08-15 17:34:40 動(dòng)物類(lèi)英語(yǔ)作文我要投稿

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【推薦】寫(xiě)動(dòng)物的英語(yǔ)作文匯總10篇

寫(xiě)動(dòng)物的英語(yǔ)作文篇1

　　I like dogs, because they are man’s good friends.

　　They can do many helpful things to us, such as guarding our houses, greeting guests, helping the police, and so on.

　　Some trained dogs can even lead the blind people and save people’s lives. So they‘re treated as our family members.

　　I hope someday dogs will be in great harmony with human-beings.

寫(xiě)動(dòng)物的英語(yǔ)作文篇2

　　When the Arctic Ocean freezes over in the autumn, polar bears set off in search of their favorite meals: fatty ringed seals and bearded seals. By the summer, the sea ice begins to melt and break apart. Deprived of access to the tasty seals, polar bears spend the summer fasting. At least, that's what's supposed to happen. As the planet warms, the warmer ice-free season is getting longer and longer. So what's a hungry bear to do?

　　Scientists once thought that polar bears might survive by supplementing their pinniped diet by turning to terrestrial foods like snow geese, their eggs and caribou.

　　"We've had this debate in the literature about whether terrestrial foods are nutritionally relevant to polar bears during the on-land season when the ice has melted."

　　University of Alberta biologist Nick Pilfold.

　　"And we've known for a long time, going back to research in the early 70s, even going to back to early explorer logs, that polar bears will consume terrestrial based foods. But the debate was always whether those foods actually add up, energetically." In other words, do these substitutes provide enough nutrition to make up for the lost seals?

　　To find out, Pilfold and his colleagues estimated the weight lost each day by polar bears in the wilds of western Hudson Bay during the ice-free season, when they could ostensibly be chowing down on terrestrial foods. Then they compared that to the weight lost by bears that are temporarily held in Manitoba's Polar Bear Alert Program.

　　While captive, the bears do not eat. They drop about one kilogram each day. But the wild bears, who had access to the Arctic snack bar, lost the same amount of weight each day. The results are in the journal Physiological and Biochemical Zoology.

　　"Which is really saying that the terrestrial foods do not have dense enough energy to offset the mass loss. So this idea that bears can just switch from eating sea ice–based food to land food and that's going to help supplement against longer ice-free seasons, that really doesn't show up in the data."

　　The problem is that polar bears evolved to rely on the marine diet.

　　"The food on land is protein and carbohydrate based, and the food the polar bears really focus on is fat. Fat is the name of the game for these bears; they're highly adapted to absorbing that fat into their system and putting it onto their body as body mass, so they can fast on it later on. And the only thing that's going to provide them with that type of fat are marine mammals. And they can only access those marine mammals when there's sea ice."

　　Adult males can go eight months without food. But younger, sub-adult bears, which are no longer nursing and must hunt, can't last as long without sea ice. So as the Arctic warms, younger polar bears will disproportionately die out. Leaving the species' survival in doubt.

　　北冰洋在秋季結(jié)冰以后，北極熊就會(huì)出發(fā)去尋求它們最喜歡的食物：富含脂肪的海豹和胡子海豹。海冰在夏季開(kāi)始融化斷裂。這使北極熊在夏季無(wú)法吃到美味的海豹，所以它們進(jìn)入禁食期。至少，情況應(yīng)該是這樣。但是由于地球變暖，溫暖的無(wú)冰季節(jié)越來(lái)越長(zhǎng)。那饑餓的北極熊要怎么辦?

　　科學(xué)家曾經(jīng)認(rèn)為，北極熊可能會(huì)轉(zhuǎn)向陸地上的食物來(lái)補(bǔ)充它們對(duì)鰭足類(lèi)動(dòng)物飲食的需求，進(jìn)而生存下去，這些陸地食物包括雪雁、雪雁蛋和北美馴鹿。

　　“文獻(xiàn)中有過(guò)這類(lèi)辯論，即在寒冷融化時(shí)陸地食物是否能滿(mǎn)足北極熊的營(yíng)養(yǎng)需求。”

　　尼克·皮爾福德是加拿大阿爾伯塔大學(xué)的生物學(xué)家。

　　“通過(guò)上世紀(jì)70年代初的研究，還有早期的探險(xiǎn)者日志，我們很早以前就知道，北極熊會(huì)以陸地食物為食。但是辯論的焦點(diǎn)在于，這些食物是否能增加北極熊的能量。”換句話(huà)說(shuō)，這些替代食物能否為北極熊提供足夠的營(yíng)養(yǎng)，彌補(bǔ)不能進(jìn)食海豹帶來(lái)的損失?

　　為了解開(kāi)這個(gè)疑惑，皮爾福德及同事對(duì)西哈德遜灣荒野地區(qū)的北極熊在無(wú)冰季期間每天失掉的體重進(jìn)行了估算，從表面上看，北極熊在這段時(shí)間食用了陸地食物。隨后，他們將這一數(shù)據(jù)與通過(guò)馬尼托巴北極熊預(yù)警計(jì)劃暫時(shí)捕得的北極熊所失掉的體重進(jìn)行了對(duì)比。

　　在被關(guān)期間，北極熊不吃東西。它們的體重每天大約下降1公斤。雖然野生北極熊能享用北極“小吃”，但是它們的體重每天也同樣會(huì)下降1公斤。這一研究結(jié)果發(fā)表在《生理學(xué)和生化動(dòng)物學(xué)》期刊上。

　　“顯然結(jié)果表明，陸地食物不能為北極熊提供足以抵消大量損失的能量。所以，北極熊可以從食用海冰下面的食物轉(zhuǎn)向食用陸地食物，并幫助它們對(duì)抗日益延長(zhǎng)的無(wú)冰季這個(gè)觀點(diǎn)，并沒(méi)有在這項(xiàng)數(shù)據(jù)中得到證明。”

　　問(wèn)題是，北極熊進(jìn)化成了依靠海洋食物的動(dòng)物。

　　“陸地食物以蛋白質(zhì)和碳水化合物為基礎(chǔ)，而北極熊需要的食物以脂肪為主。脂肪是這些熊真正需要的東西;它們高度適應(yīng)的情況是，將脂肪吸收進(jìn)它們的系統(tǒng)中，然后把這些脂肪放在身上以增加體重，這樣它們之后就可以依靠這些脂肪來(lái)度過(guò)禁食期。唯一能提供給北極熊這種脂肪的就是海洋哺乳動(dòng)物。但是它們只能在有海冰時(shí)食用到這些海洋哺乳動(dòng)物。”

　　成年北極熊可以8個(gè)月不進(jìn)食。但是小一些的未成年北極熊已經(jīng)不再被哺育，它們必須要去獵食，可是它們不能在漫長(zhǎng)的無(wú)冰季期間一直不進(jìn)食。所以，隨著北極地區(qū)變暖，較小的北極熊將會(huì)大批死亡。這使這些物種的生存成為問(wèn)題。

寫(xiě)動(dòng)物的英語(yǔ)作文篇3

　　Animals are friends of human beings. Most of them are lovely. I like giraffe the most.

　　They are very tall and have many brown spots. They have very long necks, so that they can eat the leaves in high trees. Giraffes are gentle and lovely.

　　They are friendly to people. When I go to the zoo, I always look at them. They move slowly.

　　I can’t keep it as a pet, because it’s so huge. It’s a big pity.

寫(xiě)動(dòng)物的英語(yǔ)作文篇4

　　In the animal kingdom, both predators and prey species utilize one of two things to survive—stealth or speed. Both on land and beneath the sea, those who master either evasion or capture through these methods will thrive, living to reproduce and achieve the unspoken directive of their species. While stealth—through camouflage or evasion—is common, perhaps the most thrilling feature of many of the animals we find in the ocean are the fantastic speeds that can not only be achieved, but often maintained for long periods of time.Speed represents a tremendous expenditure, an investment of energy that must be replenished via consumed calories. Therefore, any observer should marvel not only at the existence of this trait, but also at the bounty of an ecosystem and the ability of individuals to draw their needs from that system. Their existence is a reflection of the fantastic diversity and abundance of our oceans. Here are ten of the fastest aquatic animals—both predator and prey.

　　動(dòng)物世界里，不管是捕食者還是被捕食者，暗襲和速度是它們賴(lài)以生存的'兩大法寶。許多陸地和海洋生物正是通過(guò)這兩項(xiàng)技能得以繁衍成長(zhǎng)，維持在自然界中的生存地位。對(duì)于暗襲，大多數(shù)動(dòng)物擁有獨(dú)特的保護(hù)色和逃遁技巧，以此捕食或躲避天敵。然而，在海洋世界，失去遮蔽物和光線(xiàn)，速度才是生存王道。許多海洋生物爆發(fā)力驚人，不僅可以很快達(dá)到超高時(shí)速，更為贊嘆的是憑借其驚人耐力能游行數(shù)小時(shí)。長(zhǎng)時(shí)間競(jìng)速意味著巨大的體能消耗，需要通過(guò)攝入大量卡路里補(bǔ)充體力。因此，人們不僅會(huì)對(duì)這一特點(diǎn)感到驚奇，更會(huì)對(duì)它們身處生物系統(tǒng)底部卻能以個(gè)體能力獲得所需而驚嘆不已。它們的存在就是海洋多樣性及豐富性的最好體現(xiàn)。

寫(xiě)動(dòng)物的英語(yǔ)作文篇5

　　Cats are cute animals,they are very special as well.

　　It has pointy ears, round eyes,little claws,and short but soft fur.Cats like eating fish and mice.They like to keep themselves clean, they do that by licking their fur.Also they are nocturnal animals, they sleep in the daytime and do most of their movements at night.

　　We should love cat, because cats are our friends,too.

寫(xiě)動(dòng)物的英語(yǔ)作文篇6

　　我家有只小狗，是我媽媽在我生日的時(shí)候送給我的生日禮物，我很喜歡它，媽媽給它取了個(gè)可愛(ài)的名字叫旺旺旺。

　　My family has a puppy. It's my mother's birthday present to me on my birthday. I like it very much. My mother gave it a lovely name.

　　每天我放學(xué)回來(lái)第一件事就是拿東西去喂旺旺，我媽媽說(shuō)過(guò)，要和小狗做朋友，就必須要好好的對(duì)它。

　　Every day I come back from school, the first thing is to take things to feed Wangwang, my mother said, to be friends with the puppy, it must be good to it.

　　所以，我平時(shí)還會(huì)幫它洗澡和帶它出去玩。旺旺可調(diào)皮了，一開(kāi)始每次幫它洗的時(shí)候，它總是不愿意，每次都會(huì)把我的衣服弄濕，但我也沒(méi)生氣，媽媽說(shuō)過(guò)，多幫它洗幾次它就會(huì)習(xí)慣了。

　　So I usually shower it and take it out to play. Want to be naughty, and at the beginning of each time to help it wash, it is always reluctant to, every time I wet my clothes, but I did not angry, mother said, and more help it wash a few times, it will get used to it.

　　每天晚上吃完飯，我就會(huì)牽著小狗和媽媽一起到外面散步，帶它到公園和其他的小狗仔一起玩，可是旺旺太淘氣了，整天欺負(fù)隔壁的阿王，媽媽就說(shuō)，以后不帶它出去了。旺旺雖然有點(diǎn)淘氣，可是我還是很喜歡它，我要永遠(yuǎn)和它做朋友。

　　Every night after dinner, I will be holding the dog and her mother went to the outside for a walk, take it to the park and other puppies playing together, but I was too naughty, bullying next O king, mother said, don't take it out. Wangwang although a little naughty, but I still like it, I will always be friends with it.

寫(xiě)動(dòng)物的英語(yǔ)作文篇7

　　Why should people care? Because we need animals, and because once they are gone, there will never be any more.

　　Animals are more than just beautiful or interesting. They are more than just a source of food. Every animal has its place in the balance of nature. Destroying one kind of animal can create many problems.

　　For example, when farmers killed large numbers of hawks, the farmers' stores of corn and grain were destroyed by rats and mice.

　　Why? Because hawks eat rats and mice, with no hawks to keep down their numbers, the rats and mice multiplied quickly.

　　Luckily, some people are working to help save the animals. Some groups raise money to let people know about the problem. And they try to get the governments to pass laws protecting animals in danger. Quite a few countries have passed laws. These laws forbid the killing of any animal or planton the danger list. Slowly, the number of some animals in danger is growing.

寫(xiě)動(dòng)物的英語(yǔ)作文篇8

　　Monarch butterfly is a beautiful insect.

　　Monarch butterfly is insect, it is beautiful, every year , Milli0ns of Monarch butterflies fly from Canada to Mexico ,the way is about 4000 km. they fly 45km every day .Why do they go to Mexico? Because , Canada is too cold ,they are live in Mexico six months ,from April to October . And then, new Monarch butterflies are fly from Mexico to Canada, they are not “old” Monarch butterflies, because Monarch butterflies lay their eggs and the they die.

　　In the Canada, new Monarch butterflies lay eggs ,and then die, the egg change to the Monarch butterfly caterpillar, the Monarch butterfly caterpillar change to the Monarch butterfly chrysalis , the Monarch butterfly chrysalis grow to the adult Monarch butterfly, the adult Monarch butterfly lay egg and then die ……

　　I have a question : How do the Monarch butterfly know the way? Maybe only Monarch butterflies can answer this questions .

寫(xiě)動(dòng)物的英語(yǔ)作文篇9

　　There is a butcher Tianwan home, where the burden of the meat has been sold out, leaving only some of the bones. Two wolves encounter on the road, followed closely by Zoulehenyuan.

　　Afraid of the butcher, pick up a piece of bone thrown in the past. A wolf bones have been stopped, along with still another wolf. Butcher and pick up a piece of bone thrown in the past, the bones after the wolf came to a halt, but the bones have been the first wolf Yougen up. Bones have been thrown over, the two together, like the original as a wolf to catch up.

　　Butcher is distress, I am afraid together before and after the attack by a wolf. There are wild to see Michael playing a game, the masters of the field to stack firewood in the wheat field to fight, into a hill-like coverage. So Ben butcher in the past to rely on firewood pile below, pick up the butcher's knife to lay down their burden. Two wolves are afraid to move on and stare toward the butcher.

　　After a while, a wolf straight away and the other as a wolf-like dog in front of the squat. A long time, it seems to be a wolf's eyes closed, looking very relaxed. Butcher all of a sudden jump, with a wolf's head Daopi, Liankanjidao to kill wolves. Butcher about to start now, to firewood behind a pile, saw another wolf is firewood heap holes, drilled in the past want to butcher in the back of the attack. The wolf has got half of the body, only the buttocks and tail exposed. From the butcher cut off the back of the hind legs of the wolf, the wolf kill. Understand this in front of the wolf pretending to sleep, was used to lure the enemy.

　　Wolf is too cunning, but for a while two wolves have been hacked to death, the animal deception to how much? Only give them increased humor.