大师作文网鸭嘴兽的英文介绍,急,迫切需要
来源：学生作业帮 编辑：大师作文网作业帮 分类：英语作业 时间：2024/11/16 19:56:13
鸭嘴兽的英文介绍,急,迫切需要
鸭嘴兽分布于澳大利亚和塔斯马尼亚.属半水栖生活,为淡水中的捕食动物.体重在0.6一2.1公斤之间,周身披有密毛,腹毛多绒.眼及耳位于皮肤皱褶处,当沉入水中时,皮褶紧闭,可以防止水的进入.足上有蹼,而且有爪,既刊于游泳又利于挖洞.
在行走或挖掘时,蹼反方向褶于掌部.雄性踝部有长约2．5厘米的角质距,与毒腺相连.人若受毒距刺伤,即引起剧痛,以至数月才能恢复.脑颅与针鼹相比,较小,大脑呈半球状,光滑无回.幼体有齿,但成体牙床无齿,而由能不断生长的角质板所代替,板的前方咬合面形成许多隆起的横脊,用以压碎贝类、螺类等软体动物的贝壳,或剁碎其它食物,后方角质板呈平面状,与板相对的扁平小舌有辅助的“咀嚼”作用.栖于多种水环境,包括山涧、死水或污浊的河流,湖泊和池塘,是水底觅食者.每次大约有一分钟潜水期,捕食水生有壳动物、昆虫幼虫及其他多种动物性食物和一些植物.它在岸上挖洞作为隐蔽所,洞穴与毗连的水域相通.
冬季不活动或冬眠.雌兽挖相当于16米长的涧穴,将卵产于用湿水草筑成的巢内,每产产卵,有时3卵.卵比麻雀卵还小,彼此粘在一起.孵卵期洞口堵塞,孵出的幼兽发育很不完全,鸭嘴兽既无育儿袋也无乳头,成束的乳腺直接开口于腹部乳腺区.幼兽用能伸缩的舌头服食乳区的乳汁,哺乳期大约五个月.
鸭嘴兽在学术上有重要意义,但因追求标本和珍贵毛皮,多年滥捕而使种群严重衰落,曾一度面临绝灭的危险.澳大利亚政府己制定保护法规.
哺乳动物从老鼠到人类,都是胎生并用自己的乳 汁哺育孩子.爬行动物和鸟类是卵生的,但是,鸭嘴兽却完全与众不同,竟然是一种产蛋的哺乳动物.
到了繁殖期,成年鸭嘴兽会在河岸上用前脚上的宽指甲挖一个特殊的洞.洞大 约有30米长,里面有一个或多个小巢.
雌鸭嘴兽会产下2只或3只软壳蛋,10天后幼 仔被孵化出来.从这以后,它们的行为就越来越像哺乳 动物了：幼鸭嘴兽吃母亲的奶,直到它们长到可以离开洞穴.
鸭嘴兽是肉食动物---捕食昆虫和其他一些生活在流动的小溪与河底的小动物.在水下,鸭嘴兽闭上眼睛,用它那柔软而敏感的嘴在泥浆里掏摸着找寻食物.
鸭嘴兽游泳能手,用前肢蹼足划水,靠后肢掌握方向.
鸭嘴兽是极少数用毒液自卫的哺乳动物之一.在雄性鸭嘴兽的膝盖背面有一根空心的刺,在用后肢向敌人猛戳时它会放出毒液.
是现在世界上最原始的哺乳动物.它像鸟不是鸟,嘴像鸭子,没有牙齿有蹼,全身有密毛尾巴又长又阔,四条腿健壮有力,走起路来又像爬行动物.它们生活在奥大利亚,就像我国的大熊猫一样珍贵.鸭嘴兽生活在河边沿岸,用它那坚硬的爪子在河边挖掘洞穴,并在里面筑窝.白天在洞内睡觉,傍晚出来下水捕食.它们是游泳高手,成群结队在水中悠游.在游泳时它们的眼睛和耳朵由肌瓣闭塞,靠非常发达的触觉寻找食物.它们的口腔里有一个袋状的颊囊,等到里面装满食物,就回到窝里细细地品味.鸭嘴兽是原始的卵生哺乳动物,雌性生下的是软壳蛋,并且像鸟一样地伏孵,经过10天左右的时间,幼兽破壳而出.此时的幼兽仅长3厘米,眼睛看不见东西,也没有尾巴.雌鸭嘴兽没有奶头,只在腹部有小孔,喂奶时仰卧,幼兽爬到母亲肚子上吸奶.鸭嘴兽对水质污染非常敏感,只生活于没有污染的淡水中.
鸭嘴兽分布于澳大利亚和塔斯马尼亚.属半水栖生活,为淡水中的捕食动物.体重在0.6一2.1公斤之间,周身披有密毛,腹毛多绒.眼及耳位于皮肤皱褶处,当沉入水中时,皮褶紧闭,可以防止水的进入.足上有蹼,而且有爪,既刊于游泳又利于挖洞.
在行走或挖掘时,蹼反方向褶于掌部.雄性踝部有长约2．5厘米的角质距,与毒腺相连.人若受毒距刺伤,即引起剧痛,以至数月才能恢复.脑颅与针鼹相比,较小,大脑呈半球状,光滑无回.幼体有齿,但成体牙床无齿,而由能不断生长的角质板所代替,板的前方咬合面形成许多隆起的横脊,用以压碎贝类、螺类等软体动物的贝壳,或剁碎其它食物,后方角质板呈平面状,与板相对的扁平小舌有辅助的“咀嚼”作用.栖于多种水环境,包括山涧、死水或污浊的河流,湖泊和池塘,是水底觅食者.每次大约有一分钟潜水期,捕食水生有壳动物、昆虫幼虫及其他多种动物性食物和一些植物.它在岸上挖洞作为隐蔽所,洞穴与毗连的水域相通.
冬季不活动或冬眠.雌兽挖相当于16米长的涧穴,将卵产于用湿水草筑成的巢内,每产产卵,有时3卵.卵比麻雀卵还小,彼此粘在一起.孵卵期洞口堵塞,孵出的幼兽发育很不完全,鸭嘴兽既无育儿袋也无乳头,成束的乳腺直接开口于腹部乳腺区.幼兽用能伸缩的舌头服食乳区的乳汁,哺乳期大约五个月.
鸭嘴兽在学术上有重要意义,但因追求标本和珍贵毛皮,多年滥捕而使种群严重衰落,曾一度面临绝灭的危险.澳大利亚政府己制定保护法规.
哺乳动物从老鼠到人类,都是胎生并用自己的乳 汁哺育孩子.爬行动物和鸟类是卵生的,但是,鸭嘴兽却完全与众不同,竟然是一种产蛋的哺乳动物.
到了繁殖期,成年鸭嘴兽会在河岸上用前脚上的宽指甲挖一个特殊的洞.洞大 约有30米长,里面有一个或多个小巢.
雌鸭嘴兽会产下2只或3只软壳蛋,10天后幼 仔被孵化出来.从这以后,它们的行为就越来越像哺乳 动物了：幼鸭嘴兽吃母亲的奶,直到它们长到可以离开洞穴.
鸭嘴兽是肉食动物---捕食昆虫和其他一些生活在流动的小溪与河底的小动物.在水下,鸭嘴兽闭上眼睛,用它那柔软而敏感的嘴在泥浆里掏摸着找寻食物.
鸭嘴兽游泳能手,用前肢蹼足划水,靠后肢掌握方向.
鸭嘴兽是极少数用毒液自卫的哺乳动物之一.在雄性鸭嘴兽的膝盖背面有一根空心的刺,在用后肢向敌人猛戳时它会放出毒液.
是现在世界上最原始的哺乳动物.它像鸟不是鸟,嘴像鸭子,没有牙齿有蹼,全身有密毛尾巴又长又阔,四条腿健壮有力,走起路来又像爬行动物.它们生活在奥大利亚,就像我国的大熊猫一样珍贵.鸭嘴兽生活在河边沿岸,用它那坚硬的爪子在河边挖掘洞穴,并在里面筑窝.白天在洞内睡觉,傍晚出来下水捕食.它们是游泳高手,成群结队在水中悠游.在游泳时它们的眼睛和耳朵由肌瓣闭塞,靠非常发达的触觉寻找食物.它们的口腔里有一个袋状的颊囊,等到里面装满食物,就回到窝里细细地品味.鸭嘴兽是原始的卵生哺乳动物,雌性生下的是软壳蛋,并且像鸟一样地伏孵,经过10天左右的时间,幼兽破壳而出.此时的幼兽仅长3厘米,眼睛看不见东西,也没有尾巴.雌鸭嘴兽没有奶头,只在腹部有小孔,喂奶时仰卧,幼兽爬到母亲肚子上吸奶.鸭嘴兽对水质污染非常敏感,只生活于没有污染的淡水中.
Platypus distribution in Australia and Tasmania.Is a semi-aquatic life,as in freshwater predator animals.0.6 a weight between 2.1 kg,a week wearing of hair,chest hair more than cashmere.In the eyes and ears of skin fold areas,sinking them into the water,skinfold closed to prevent the entry of water.Have enough problems,but also claws,both published in the swimming and to dig tunnels.
Walking or excavation,webbed folding in the opposite direction of the palm.Male ankle is about 2.5 cm from the skin,connected with venom.From the person who stabbed by the drug that caused severe pain,and even a few months could be resumed.Yan Naolu compared with the needle,the smaller the brain was hemisphere,smooth without back.Larvae have teeth,but no adult tooth gum,and by the growth of keratinocytes continuously replaced by the board,the board formed in front of occlusal surface uplift the transverse ridge to crush shellfish,snails and other mollusks shells,or cutting broken other foods,the rear plate was planar horny,and the relatively flat plate Xiaoshe to complement the "chew" role.Habitat in a variety of water environment,including the mountain stream,stagnant or polluted rivers,lakes and ponds,who is underwater feeding.Each about one minute diving period,a shell predator aquatic animals,insects and larvae of a variety of other food animals and some plants.Dig tunnels as it concealed by the shore,in waters adjacent to caves and the same.
Winter inactive or dormant.Cishou dug equivalent to 16 meters long and streams Points will be used eggs in the wet reeds build nests,lay eggs every middle class,and sometimes three eggs.Eggs smaller than the sparrow eggs each stick together.Incubation period plug the hole,hatched the Youshou not fully developed,platypus neither parental nor bags nipple,the breast-beam direct openings in the abdomen breast area.Youshou extendable tongue can be used to take the breast milk and breast-feeding about five months.
Platypus important in the academic sense,but the pursuit of samples and valuable fur,over the over-population而使serious decline,and once faced the danger of extinction.The Australian Government has enacted laws and regulations to protect.
Mammals from mice to humans,are born with their own milk and feeding children.Reptiles and birds are Kunsheng,but platypus is totally different,it is a kind of egg-laying mammals.
To the breeding season,adult platypus in the river with a wide feet before a special fingernails dug hole.Hole about 30 meters long,there are one or more small nest.
Female platypus gives birth to two or three soft-shell eggs,and 10 days after hatching baby was out.From that point on,their act more and more like mammals:David platypus mother's milk to eat until they can be left to the long holes.
Platypus is the animal - predatory insects and other life in the stream and river flows small animals.Underwater,platypus eyes closed,and with it the soft and sensitive mouth in the mud to find the amount of food feeling.
Platypus swimming skills,and forelimb web-footed by the water,on the hind legs grasp direction.
Platypus venom is a very small number of self-defence by one of the mammals.In the male platypus knee hollow of the back of a thorn in the hind limb with the enemy when it will release Mengchuo venom.
Now is the world's most primitive mammals.It is not like birds birds like ducks mouth,no dental problems,a body of tail hair long and wide,four-legged robust and effective,Zouqilulai like reptiles.They live in the Austrian Delia,like China's giant pandas as valuable.Platypus living in the river along with it that hard claws digging holes in the river,and built inside Waterloo.Sleeping inside during the day,evening out the water predator.They are swimming masters,the large crowds around in the water.Swimming in their eyes and ears from the flap occlusion,on the highly developed tactile search of food.Their oral there is a pocket in the cheek pouch until they were full of food,returned to Woli careful to taste.Kunsheng platypus is primitive mammals,the female gave birth to a soft shell eggs,and birds like the same to V sterile,after a period of about 10 days,Yaoshoupokeerchu.Youshou at this time only three centimeters long,the eyes see things,no tail.Female platypus no pacifier,and only a small hole in the abdomen,breastfeeding,supine,Youshou climb up on the mother Xinai stomach.Platypus to water pollution is very sensitive,not only to live in contaminated freshwater.
Walking or excavation,webbed folding in the opposite direction of the palm.Male ankle is about 2.5 cm from the skin,connected with venom.From the person who stabbed by the drug that caused severe pain,and even a few months could be resumed.Yan Naolu compared with the needle,the smaller the brain was hemisphere,smooth without back.Larvae have teeth,but no adult tooth gum,and by the growth of keratinocytes continuously replaced by the board,the board formed in front of occlusal surface uplift the transverse ridge to crush shellfish,snails and other mollusks shells,or cutting broken other foods,the rear plate was planar horny,and the relatively flat plate Xiaoshe to complement the "chew" role.Habitat in a variety of water environment,including the mountain stream,stagnant or polluted rivers,lakes and ponds,who is underwater feeding.Each about one minute diving period,a shell predator aquatic animals,insects and larvae of a variety of other food animals and some plants.Dig tunnels as it concealed by the shore,in waters adjacent to caves and the same.
Winter inactive or dormant.Cishou dug equivalent to 16 meters long and streams Points will be used eggs in the wet reeds build nests,lay eggs every middle class,and sometimes three eggs.Eggs smaller than the sparrow eggs each stick together.Incubation period plug the hole,hatched the Youshou not fully developed,platypus neither parental nor bags nipple,the breast-beam direct openings in the abdomen breast area.Youshou extendable tongue can be used to take the breast milk and breast-feeding about five months.
Platypus important in the academic sense,but the pursuit of samples and valuable fur,over the over-population而使serious decline,and once faced the danger of extinction.The Australian Government has enacted laws and regulations to protect.
Mammals from mice to humans,are born with their own milk and feeding children.Reptiles and birds are Kunsheng,but platypus is totally different,it is a kind of egg-laying mammals.
To the breeding season,adult platypus in the river with a wide feet before a special fingernails dug hole.Hole about 30 meters long,there are one or more small nest.
Female platypus gives birth to two or three soft-shell eggs,and 10 days after hatching baby was out.From that point on,their act more and more like mammals:David platypus mother's milk to eat until they can be left to the long holes.
Platypus is the animal - predatory insects and other life in the stream and river flows small animals.Underwater,platypus eyes closed,and with it the soft and sensitive mouth in the mud to find the amount of food feeling.
Platypus swimming skills,and forelimb web-footed by the water,on the hind legs grasp direction.
Platypus venom is a very small number of self-defence by one of the mammals.In the male platypus knee hollow of the back of a thorn in the hind limb with the enemy when it will release Mengchuo venom.
Now is the world's most primitive mammals.It is not like birds birds like ducks mouth,no dental problems,a body of tail hair long and wide,four-legged robust and effective,Zouqilulai like reptiles.They live in the Austrian Delia,like China's giant pandas as valuable.Platypus living in the river along with it that hard claws digging holes in the river,and built inside Waterloo.Sleeping inside during the day,evening out the water predator.They are swimming masters,the large crowds around in the water.Swimming in their eyes and ears from the flap occlusion,on the highly developed tactile search of food.Their oral there is a pocket in the cheek pouch until they were full of food,returned to Woli careful to taste.Kunsheng platypus is primitive mammals,the female gave birth to a soft shell eggs,and birds like the same to V sterile,after a period of about 10 days,Yaoshoupokeerchu.Youshou at this time only three centimeters long,the eyes see things,no tail.Female platypus no pacifier,and only a small hole in the abdomen,breastfeeding,supine,Youshou climb up on the mother Xinai stomach.Platypus to water pollution is very sensitive,not only to live in contaminated freshwater.