寫動物的英語作文

【精品】寫動物的英語作文七篇

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寫動物的英語作文 篇1

　　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。海冰在夏季開始融化斷裂。這使北極熊在夏季無法吃到美味的海豹，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，溫暖的無冰季節(jié)越來越長。那饑餓的北極熊要怎么辦?

　　科學(xué)家曾經(jīng)認(rèn)為，北極熊可能會轉(zhuǎn)向陸地上的食物來補充它們對鰭足類動物飲食的需求，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)中有過這類辯論，即在寒冷融化時陸地食物是否能滿足北極熊的營養(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。

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

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

　　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下降1公斤。這一研究結(jié)果發(fā)表在《生理學(xué)和生化動物學(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，并幫助它們對抗日益延長的無冰季這個觀點，并沒有在這項數(shù)據(jù)中得到證明。”

　　問題是，北極熊進(jìn)化成了依靠海洋食物的動物。

　　“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度過禁食期。唯一能提供給北極熊這種脂肪的就是海洋哺乳動物。但是它們只能在有海冰時食用到這些海洋哺乳動物�！�

　　成年北極熊可以8個月不進(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的無冰季期間一直不進(jìn)食。所以，隨著北極地區(qū)變暖，較小的北極熊將會大批死亡。這使這些物種的生存成為問題。

寫動物的英語作文 篇2

　　It's not a simple thing to say to kill animals. Because on the earth, there are many kinds of animals, the number is amazing, and some animals have very strong reproductive capacity. So, to get rid of all the animals quickly, we must rely on skills.

　　There is a kind of higher animal on the earth, called human. It's no exaggeration to say that they are "the king of animal killers". It is no longer a dream to destroy all the animals on the earth as long as we have human beings.

　　To eliminate animals, we must first kill and eat. This method is simple, but also can eat. If you can kill some rare animal, grilled skin to sell, will earn eighteen thousand, Why not?? In this respect, human being is the first great man. From ancient times to the present, the ambition has not changed, and the tools are becoming more and more advanced. From stones to cannons, from sticks to rifles, the animals were killed and quickly extinct!

　　In order to eliminate animals, it is necessary to start with science and technology. Take the goods, what is the higher animal, have found that rodents are very fertile, and there are a lot of animal feed to rats, they want to kill the rats. "So early". Therefore, some scientists, taking the banner of "scientific research", take a lot of white mice as experimental victims, and disguise the "body structure of mice is very similar to human beings". Moreover, after mastering science and technology, a lot of rat poison, pesticide and mousetrap have been produced to accelerate the eradication of rodents. Mouse disappears, chain will be seriously affected, other animal cannot survive, humans are clever!

　　To eliminate animals, we must also start with the environment. Although this method takes a lot of time, the effect is amazing. A prairie or a forest into a desert means the elimination of thousands of animals. Of course, the wise man thought of this. They have cut trees and abused water, which has rapidly increased the area of the earth's desert and also rapidly reduced the species on the earth. Moreover, human beings also use vehicle exhaust to cause acid rain. This acid rain is very effective for eliminating fish, and it can kill other animals and plants by the way.

　　The task of eradication of animals is a long way to go. Fortunately, there is a clever human being, believing that in the unremitting efforts of human beings, the eradication of animals will eventually become a reality.

　　See here you may ask: How did the human be eliminated? Isn't human being an animal? Well, you can feel relieved. When human beings have destroyed other animals, the doomsday of human beings is here!

寫動物的英語作文 篇3

　　Pets are our friends. it is a member of the family.

　　My mother has two pet dogs she takes good care of them everyday: feed them wash them talk to them and hug them. In winter she makes

　　trendy clothes for them. When they are ill she takes them to the vets and help them to take medicine as if they were babies.

　　It seems her pet dogs understand everything she did whenever they see her they lip her feet and give her the warmest welcome in the world what a touching picture!

寫動物的英語作文 篇4

　　My pet is a lovely dog.Its name is "dian dian".because there are a lot of black circle on its skin.the "dian dian" is very friendly.Many childen like play with him.His favourite food is meat bones. His favourite toy is a doll. ＇dian dian ＇ likes to run very much.It can run very fast and it has a girl friend.its name "na na".there are a lot of black circle on its skin,too.I like my pet very much.It is a good pet!!

寫動物的英語作文 篇5

　　I have a litte dog“Xiao Pang”.Because It is very tittt small.It'yellow and brown.It olways run with me.It is so big.It like eat meat and rice. Sometime I call it“Xiao Pang ”, then it runs towe fast.

　　I have a litte dog“Xiao Pang”.Because It is very tittt small.It'yellow and brown.It olways run with me.It is so big.It like eat meat and rice. Sometime I call it“Xiao Pang ”, then it runs towe fast.

　　I love my dog.

寫動物的英語作文 篇6

　　My home have a cute little turtle. It was 10 years old my birthday sister-in-law from dad learned I like small animals, he gave me a rarity -- little turtle.

　　Holding a pair of small tortoise has a big and heavy shell, limbs and exquisite petite feet with shrinkage, a pair of small eyes turned away all day.

　　The turtle is very greedy. Eat every day to designated to eat on time, also must eat meat every meal, if which day which a meal not eat meat to it, it will break into a furious rage, flutters to where is the water from the tank. So I on time every day to feed it, at half past six in the morning for a small lean lean, half three pieces of lean lean, twelve o 'clock noon in the afternoon at half past two piece of lean lean, under the care of me, little turtle gradually grew up ready to grow.

　　Mom and dad took me to the zoo yesterday, and I will change the calendar to get up at 7:00 in the morning, nature, had changed to 7:10 feed the turtle. Tired of I tired to sleep sleep in the night, was asleep incense, suddenly, only heard a loud "crash". Ah! My head, I sat up, glanced at his watch "day!" It is time to the feed the turtle, I to the tank in a look, little turtle? I looked at around, little turtle was walking in my bed! And the turtle is hungry, it had to climb out of a fish tank, hit on my head to my protest!

　　Since then, I think I dare not again late feed the turtle, lovely small tortoise! You say I love you or hate you?

　　My lovely little turtle!

　　我家有一只可愛的小烏龜。那還是我10歲生日小姑從爸爸那里得知我喜歡小動物，便送了我一只稀罕物——小烏龜。

　　小烏龜托著一副有大又重的龜殼，四肢玲瓏嬌小的腳時伸時縮，一雙小小的眼睛整天不停地轉(zhuǎn)。

　　小烏龜十分貪吃。每天吃飯要按時定點吃飯，每頓飯還必須吃瘦肉，如果哪一天的哪一頓沒有給它吃肉，它就會大發(fā)雷霆，把魚缸中的水撲騰到哪里都是。所以我天天準(zhǔn)時去喂它，早晨六點半要為一塊小瘦肉，中午十二點半三塊瘦肉，下午六點半二塊瘦肉，在我的精心呵護(hù)下，小烏龜漸漸的長大了長得壯實了。

　　昨天爸爸媽媽帶我去了動物園，我便把作息表改成早上7：00起床，自然喂小烏龜就改到7：10分了。渾身疲憊的我勞累地一覺就睡到了大天亮，正睡著香呢，突然，只聽見一聲“咣當(dāng)”。呀!我的頭，我坐了起來,看了一眼表“天啊!”到時間該喂小烏龜了，我向魚缸里一瞧，小烏龜呢?我四處打量了一下，原來小烏龜正在我床上散步呢!敢情小烏龜餓了，它竟然從魚缸里爬了出來，砸在我頭上向我抗議呢!

　　從此以后，我想我可不敢再晚喂小烏龜了，可愛的小烏龜呀!你說說我是喜歡你呢，還是討厭你呢?

　　我可愛的小烏龜!

寫動物的英語作文 篇7

　　i have a pet dog, it”s name is bear. it is a lovely dog. it was born in 20xx. it has a pair of big black eyes, and it is black all over. it has four long legs and a long tail. it often play with me, i love it very much.

　　【i have a cat 】 i have a cat .its name is mimi. it's very lovey.my family all like it.

　　it always plays with me every day .it has black and white fur.as long as we say'mimi',it right away runs to you.

　　it's very good!so my family all like it!

　　【pig的作文】 mother gave me a lovely "pig" made of cloth on my tenth birthday. it was very lovely. the pig was dressed in blue. he had a red face and a little mouth. his two ears were just like two fans. he really looked funny. there was always a smile on his face. he must be a happy "pig" , i think.

　　【寫海馬的作文】 there are all kinds of horses in the world. but one of them you can't ride. it doesn't live on land, but in the sea. it looks like the head of horse. so the people call it sea horse. in fact, the sea horse is a small fish. it likes to live in warm water. a sea horse stands up in the water when it swims.

　　father horse carries the eggs to keep them safe in its pouch. when the eggs are hatched, the baby horses swim away.

　　【i have a litte dog】 i have a litte dog"xiao pang".because it is very tittt small.it'yellow and brown.it olways run with me.it is so big.it like eat meat and rice. sometime i call it"xiao pang ", then it runs towe fast.

　　i have a litte dog"xiao pang".because it is very tittt small.it'yellow and brown.it olways run with me.it is so big.it like eat meat and rice. sometime i call it"xiao pang ", then it runs towe fast.

　　i love my dog.

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