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1、智课网托福备考资料托福综合口语解析之生物的适应-智课教育旗下智课教育生物类的话题该怎样解题呢？我们应该注意什么呢？这类问题中该怎样找到答题要点呢？现在就跟着智课教育小编一起来学习吧！物竞天择，适者生存。捕食者和被捕食者之间也在进行着较量。很多情况下被捕食者很难和捕食者正面决斗，所以为了生存，很多生物进化出了多种多样的技能去适应环境。那么你知道这类话题该怎样解题呢?你知道在托福口语考试中该则样解决这类话题吗?现在就跟着智课教育小编一起来看看这则托福综合口语解析吧!希望可以帮助大家在托福口语考试中取得好成绩!·Nowlistentopartofalect
2、ureinabiologyclass.(FemaleProfessor)①Nowmanyseaanimals,inordertohidefrompredators,have,overtime,developeddifferentkindsofcamouflagetohelpthemblendinwiththeirenvironmentandavoiddetectionbypredators.Picturethesurfaceoftheseafloor,it’sasvariedasthelandweliveon.It’sgotpeaksandvalle
3、ys,vegetation,rockyareas,and②someseaanimalshavedevelopedpermanentcolorsorshapestoresembletheseenvironmentalfeatures.Thiscamouflagehelpstodisguisethemfrompredatorsbyenablingthemtoblendinto,uh,aspecificpartofthesea.③Forinstance,takeakindoffishliketheLeafySeaDragon,well,thenamesay
4、sitall,④itresemblesasmallgreendragonwithleaf-likeprotrusionsstickingoutlikearms.Nowbecauseitscolorsandshapes,itblendsinextremelywellwithgreenseaplants.SowhentheLeafySeaDragonisswimmingthroughtheseplants,predatorshavetroubleseeingit.⑤Butwhenitentersotherenvironmentswithouttheseg
5、reenplants,itscamouflagedoesn’tworkanymore.⑥Nowotherseaanimalsaredifficulttospotanywhereintheseabecausetheirtypeofcamouflageenablesthemtochangecolor.TaketheCuttlefish,afishthatiscloselyrelatedtothesquidandoctopus,unlikeLeafySeaDragons,Cuttlefishhavenotdevelopedanyparticularshap
6、etohidefrompredators.⑦But,uh,theyhavealotmoremobilitybecausetheircamouflageallowsthemtoblendintoanyenvironment,becauseCuttlefishhaveshiftingpigmentsthatallowthemtochangecolorinamatterofseconds,and,sotheycanalmostinstantaneouslymatchtheircoloroftheirsurroundings.Ifthey’reswimmin
7、gbygreenseaplants,they’llturngreen.Andifthey’reswimmingoverthebrownseafloor,they’llturnbrown.Question:UsingtheexamplesofLeafySeaDragonandtheCuttlefish,describetwokindsofcamouflageandthebenefitstheyprovide.一.范文Theprofessortalksabouttwokindsofcamouflagewhicharepermanentcamouflage
8、andtemporarycamouflage.Shetalksaboutpermanentonesfirst
