ecology for kids 4th grade journeys home：儿童生态学第四年级的旅程家x

organismsAnindividualformoflife.Therearemanyorganismsthatliveinapond.\ndirectlyStraight.Thesignshowedhowtodirectlygettothepark.\naffectTocauseachangeinsomethingorsomeone.Lackofgravitywillhavetheaffectofcausingonetofloatinspace.\ntracesAverysmallamount.Themansweptuptracesofdirtonthefloor.\nvastVerygreatinarea;huge.Thedesertwasavast,hotland.\nhabitatsTheplacewhereaplantorananimalnaturallylives.ArainforestisanexampleofthemanyhabitatsonEarth.\nvarietyAnumberofdifferentthingswithinthesamegrouporcategory.Agrocerystorehasavarietyoffood.\nspeciesAgroupofanimalsorplantsthataresimilarandareabletomateandhaveoffspring.Therearemanyspeciesofdogs.\nbannedToforbidbymakingillegal.Theuseofcellphonesisbannedinschool.\nradiationEnergythattravelsthroughspaceasraysorwaves.Theradiationfromthesuncanmakeicecreammeltonahotsummerday.