英语作文我们为什么需要植物

Plants

Plantsareveryimportantlivingthings.Lifecouldnotgooniftherewerenoplants.Thisisbecauseplantscanmakefoodfromair,waterandsunlight.Animalsandmancannotdoso.Animalsgettheirfoodbyeatingplantsandotheranimals.Mangetshisfoodbyeatingplantsandanimals,too.Therefore,animalsandmanneedplantsinordertolive.

Ifyoulookcarefullyattheplantsaroundyou,youwillfindthattherearemanytypesofplants.Someplantsarelargewhileothersaresmall.Mostplantsaregreen.

Therearetwomaintypesofplants:floweringplantsandnonfloweringplants.

Floweringplantshaveroots,stems①,leaves,flowersandfruits.Almostallthetreesaroundusarefloweringplants.Youcanprobablyrecognizesomeplantsfromtheirflowersortheirfruits.

Nonfloweringplantsincludeconiferoustrees,mosses,liver-worts,algaeandfungi.Youcannotseemanynonfloweringplantsaroundyou.

Mostplantsdonotgrowfromseeds.Theygrowfromspores.Sporesarevery,verysmall.Somesporesaresosmallandlightthattheycanfloatintheair.Wemaysaythatsporesarequitesimilartoseeds.Whenthesesporesfallonwetandshady②places,theyusuallygrowintonewplants.

【词语解释】

①stem[stem]n．茎；（树）干；（叶）梗

②shady[’sheidi]a．背阴的；阴凉的

如果可以就给分吧