2024年9月剑龙的资料,图片和英文名?世界第五大岛是什么
⑴剑龙的资料,图片和英文名?世界第五大岛是什么
⑵剑龙的资料,图片和英文名
⑶剑龙stegosaurus英文资料。Stegosaurus(IPApronunciation/?steg.??s??.r?s/)isagenusofstegosauridarmoureddinosaurfromtheLateJurassicperiod(KimmeridgiantoEarlyTithonian)ofwhatisnowwesternNorthAmerica.Duetoitsdistinctivetailspikesandplates,Stegosaurusisoneofthemostrecognisabledinosaurs,alongwithTyrannosaurus,TriceratopsandDiplodocus.ThenameStegosaurusmeans“roof-lizard“andisderivedfromtheGreekστεγο-,stego-(“roof“)andσαυρο?,-sauros(“lizard“).AtleastthreespecieshavebeenidentifiedintheupperMorrisonFormationandareknownfromnumerousremains.Theylivedsometomillionyearsago,inanenvironmentandtimedominatedbythegiantsauropodsDiplodocus,CamarasaurusandApatosaurus.Alarge,heavily-builtandherbivorousquadruped,Stegosaurushadadistinctiveandunusualposture,withaheavily-archedback,shortforelimbs,headheldlowtothegroundandastiffenedtailheldhighintheair.Itsarrayofplatesandspikeshavebeenthesubjectofmuchspeculation.Thespikesweremostlikelyusedfordefence,whiletheplateshavealsobeenproposedasadefensivemechanism,aswellashavingdisplayandthermoregulatory(heatcontrol)functions.Stegosauruswasthelargestofallthestegosaurians(biggerthangenerasuchasKentrosaurusandHuayangosaurus)and,althoughroughlybus-sized,itnohelesssharedmanyoftheanatomicalfeatures(includingthetailspinesandplates)withotherstegosauriangenera.剑龙Stegosaurus学名意思为「有屋顶的蜥蜴」,因为在颈部、背部及尾部有向上突起的大骨板而得名。剑龙头的最前端是有层角质覆盖的无齿嘴喙,嘴喙的后方有许多牙齿;尾巴的末端有两对长骨钉突出。在已知具有骨板的恐龙中,剑龙是最大的一种。背上壮观的骨板功用为何?目前存在两种推论,一是有助於吸热、散热之用;二是可以在遇到敌人攻击时,充血变色来阻吓敌人。图片:
⑷巴芬岛--世界第五大岛加拿大北方在北极圈内的大岛,属努勒维特,是加拿大最大的岛,也是世界第五大岛,长千米,最大宽度千米。面积约有平方公里。在巴芬湾以西、哈得孙海峡以北。以山地和高原为主。东部多山,最高点,米。有冰川和冰盖。南、北部大部是高原。福克斯湾沿岸低平。海岸线破碎,有深长的峡湾,如坎伯兰湾和弗罗比舍湾。居民约,多人,以因纽特(爱斯基摩人为主,以狩猎和捕鱼为生。巴芬岛虽然人烟稀少,没有公路和铁路等交通,但已经是北极圈中最多人居住的地方,也常是北极探险队的基地所在。在地理上,巴芬岛的东方有巴芬湾、大卫斯海峡;可通到丹麦的格陵岛;南方则有福克斯湾、布西亚湾、可通往加拿大本土。年,探险家威廉·巴芬是第一个成功环绕巴芬岛航行的人,此岛也以他的名字命名。目前巴芬岛上最大的城市是伊魁特(Iqualuit,它也是加拿大努勒维特省的首都,于年月日从西北地方独立出来的。主要居民是伊努特人Inuit。加拿大北极群岛的组成部分。东隔巴芬湾和戴维斯海峡与格陵兰岛相对。西北-东南走向。地质构造为加拿大地盾的延续,地形以花岗岩、片麻岩构成的山地高原为主,海拔~米,最高米。东高西低。山脊纵贯岛的东部,上复有冰川。中西部福克斯湾沿岸为低地,海岸线曲折,多峡湾。岛大部分位于北极圈内,冬季严寒漫长,夏季冷凉,自然景观为极地苔原。岛上绝大部分地区无人居住,沿岸局部地区有爱斯基摩人的小聚落,以渔猎为生。岛南部的弗罗比舍贝是全岛行政中心、毛皮货站,建有机场。坎伯兰半岛建有奥尤伊图克国家公园。北部有铁矿。岛上建有空军基地、气象站和雷达观测站。
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⑺这是一篇有关恐龙的介绍,其中stegosaurus是剑龙的介绍,本来是想把有关剑龙的贴过来,但我觉得多多益善,了解多一点毕竟有好处Imaginewalkingthroughaprehistoricforestandingfacetofacewithaterrifyingdinosaur.Thiscouldneverhavehappened,ofcourse.PeopleanddinosaursdidnotliveonEarthatthesametime.Dinosaursdiedoutlongbeforepeopleappeared.Dinosaurslivedfromaboutmillionyearsagotoaboutmillionyearsago.HOWDOWEKNOWABOUTDINOSAURS?Paleontologists(scientistswhostudyprehistoriclife)learnaboutdinosaursbystudyingfossilsoftheirbones.Thesefossilsaretheremainsofdeadanimalsthathaveturnedintorock.Peopleprobablyfoundfossilsofdinosaurbonesthousandsofyearsagobutdidnotknowwhattheboneswere.Intheearlys,peoplerealizedthatthefossilbonesbelongedtoprehistoricanimals.ThefirstdinosaursthatpaleontologistsstudiedwerenamedMegalosaurusandIguanodon.Theboneslookedlikethoseofreptiles,suchaslizards.TheflatteethofIguanodonshowedthatitwasaplanteater.ThepointyteethofMegalosaurusshowedthatitwasameateater.TheearlyfossilscamefromEngland.BritishscientistSirRichardOweninnamedtheseanimalsdinosaurs.ThewordesfromtwoGreekwordsmeaning“terrible”and“lizard.”Scientistsnowknowthatdinosaurswerenotlizards.KINDSOFDINOSAURSPaleontologistshavefoundfossilsofhundredsofdifferentkindsofdinosaursthatlivedallovertheworld.Somedinosaursweresmalllikebirds.Otherdinosaursweremuchbiggerthananelephant.Paleontologistsdividedinosaursintotwogroups,ororders,bythewaytheirhipslooked.Onegrouphadhipsthatwerelikebirds’hips.TheycalledthisorderOrnithischia.Theothergrouphadhipslikethoseoflizards.TheycalledthisorderSaurischia.TherewerethreebasickindsofdinosaursintheSaurischiaorder:theropods,prosauropods,andsauropods.TherewerefivebasickindsofdinosaursintheOrnithischiaorder:stegosaurs,ankylosaurs,ornithopods,pachycephalosaurs,andceratopsians.THEROPODSAlldinosaurswereplanteatersexceptfortheropods.Theropodsweremeateatersthathuntedplant-eatingdinosaursandsmallertheropods.Mosttheropodswalkedontheirtwohindlegs.OneofthemostfamoustheropodsisTyrannosaurusrex.Thisdinosaurwasaboutfeet(meters)longandweighedmetrictons.Sometheropodswerecalledraptors.Velociraptorandotherraptorshadpowerfulclaws,liketheclawsofaneagle.Thesedinosaursprobablyhuntedinpacks.PROSAUROPODSProsauropodshadspoon-shapedteethandlong,slendernecks.Theselarge,plant-eatingdinosaursstoodontwolegsandgrazedontallbushesandtrees.Oypeofprosauropod,Plateosaurus,wasfeet(meters)longandweighed.metrictons.SAUROPODSSauropodsdescendedfromprosauropods.Someofthebest-knownsauropodswereApatosaurusandDiplodocus.Thesedinosaurshadthicklegsandfeetlikeelephants’feet,butwithclaws.Theywalkedonfourlegs.AtoimesauropodswerethebiggestdinosaursonEarth.Somesauropodsmayhavebeenmorethanfeet(meters)longandweighedaboutmetrictons.STEGOSAURSTheseornithischianswalkedonfourlegsandhadarowofbonyplatesdowntheirback.Stegosaurus,alargestegosaur,alsohadspikesonitstail.Ituseditsspikedtailforfightingoffmeat-eatingtheropods.Stegosauruswasaboutfeet(meters)long.ANKYLOSAURSThesedinosaurswerecoveredwithbonyplatesthatactedasbodyarmortoprotectthemagainsttheropods.Somehadabonyplateineacheyelidandlargeclubsontheirtails.Bonyringsandspinesprotectedtheirnecks.Ankylosauruswasaboutfeet(meters)long.ORNITHOPODSOrnithopodswereoncethemostnumerousplant-eatingdinosaurs.Thereweremanydifferentkinds.Overtime,ornithopodsdevelopedbroadbeaks.Theselaterornithopodsarecalledduck-billeddinosaurs.Someornithopodsweresmallandranfast.Otherswerehuge.Iquanodon,forexample,wasfeet(.meters)long.PACHYCEPHALOSAURSThesedinosaurswalkedontwofeet.Theyhadthick,dome-shapedskulls.Scientiststhinktheymayhaveusedtheirthickheadstobuttotherdinosaurs.CERATOPSIANSThesedinosaurswarealsocalledhorneddinosaurs.Oneofthebest-knownceratopsianswasTriceratops.Ithadthreehornsonthetopofitshead:onehornonitssnoutandonehornaboveeacheye.Triceratopscouldreachlengthsofuptofeet(meters)andweighedmorethanmetrictons.WHATHAPPENEDTOTHEDINOSAURS?Thereareseveraltheoriesaboutwhydinosaursdiedout.Manyscientistsbelievethattherewasasudden,violentevent.TheythinkthatanasteroidoretcollidedwithEarth.Firefromtheimpactburnedlargeareas.DustblockedsunlightfromreachingthesurfaceofEarth.Acidrainfelleverywhere.Plantscouldnotgrow.Therewasnofoodfortheplant-eatingdinosaurs,sotheydiedout.Dinosaursthatateplant-eatinganimalsalsodiedout.Otherscientiststhinkthattheenvironmentchanged.Maybetheclimategrewcolderanddinosaursslowlybecameextinctoverseveralmillionyears.Manyscientiststhinkthatbirdsdescendedfromasmallkindofdinosaur.Ifthisistrue,thendinosaurs,inasense,arestillaliveintheformofmodernbirds.
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⑽伊凯鲁特英文名Iqaluit,伊魁特(Iqualuit)是加拿大努勒维特Nunavut省的首府,英文又写做Iqaluit。中文有时也翻做伊瓜努市。是加拿大目前最年轻的领地首府(因地居Rankin入口而公民投票选出来的。伊魁特位于世界第五大岛巴芬岛的西南方,属于港口城市。从地形上看,伊魁特位在弗罗比歇湾的顶部,在北冰洋的东大陆边缘。