英语作文《动物的重要性》

animals.Doyouagreeordisagreewiththispointofview?Whyorwhynot?Usespecificreasonsandexamplestosupportyouranswer.

［范文］

Inthepast,therehavebeenmanyendangeredanimals.Nowtheyareextinct.Doesitmatter?Hasourenvironmentbeenaffectedby

theirabsence?Hasthequalityofourownlifebeenchanged?TheanswertothesequestionsisYes.Itdoesmatterifwedestroyan

endangeredspecieshabitattodevelopmorefarmland,housingorindustrialparks.

Thereisadelicatebalanceofnature.Ifonesmallpartisremoved,itwillaffectalltheotherparts.Forexample,ifcertaintreesarecut

down,batswillhavenoplacetoroost.Iftheycannotroost,theycannotbreed.Iftherearenobats,therewillbenoanimal,orbirdtoeat

certaininsectsthatplagueourcrops.Ourenvironmenthasbeenaffectedbytheabsenceofcertainanimals.Certainflowersare

pollinatedbybutterflieswhichmigratefromCanadatoMexico.Someofthebreedinggroundsofthesebutterfliesweredestroyed.

Nowtheseflowersaredisappearingfromcertainareas.Wewillnolongerbeabletoenjoytheirbeauty.Thequalityofourlifehas

beenchanged.Americausedtobecoveredwithgianttrees.Nowwehavetovisittheminonesmallpark.Rainforestsaroundtheworld

arebeingcutdowntomakeroomforhumans.Wewillneverbeabletoseeorstudythisfragileecosystem.Iwouldencourageus