byDaleLundbergCover,©TomandPatLeeson;p.3,©TomMcHugh/PhotoResearchers,Inc.;p.4,©W.PerryConway/CORBIS;p.5,©TaylorS.Kennedy/NationalGeographicImageCollection;p.6,©MichioHoshino/MindenPictures;p.7,©KonradWothe/MindenPictures;p.8,©SteveGreer/AlaskaPhotoGraphics;p.9,©Momatiuk–Eastcott/Corbis;p.10,©JackWilburn/AnimalsAnimals;p.11,©TIMFITZHARRIS/MindenPictures;p.12,©DominiqueBraud/AnimalsAnimals;p.13,©W.PerryConway/CORBIS;p.14,©ErwinandPeggyBauer/AnimalsAnimals.Copyright©byHarcourt,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformorbyanymeans,electronicormechanical,includingphotocopy,recording,oranyinformationstorageandretrievalsystem,withoutpermissioninwritingfromthepublisher.RequestsforpermissiontomakecopiesofanypartoftheworkshouldbeaddressedtoSchoolPermissionsandCopyrights,Harcourt,Inc.,6277SeaHarborDrive,Orlando,Florida32887-6777.Fax:407-345-2418.HARCOURTandtheHarcourtLogoaretrademarksofHarcourt,Inc.,registeredintheUnitedStatesofAmericaand/orotherjurisdictions.PrintedinChinaISBN10:0-15-350694-6ISBN13:978-0-15-350694-9OrderingOptionsISBN10:0-15-350600-8(Grade3On-LevelCollection)ISBN13:978-0-15-350600-0(Grade3On-LevelCollection)ISBN10:0-15-357911-0(packageof5)ISBN13:978-0-15-357911-0(packageof5)Ifyouhavereceivedthesematerialsasexaminationcopiesfreeofcharge,HarcourtSchoolPublishersretainstitletothematerialsandtheymaynotberesold.Resaleofexaminationcopiesisstrictlyprohibitedandisillegal.Possessionofthispublicationinprintformatdoesnotentitleuserstoconvertthispublication,oranyportionofit,intoelectronicformat.1234567891098512111009080706byDaleLundbergHaveyoueverheardthesaying“asbusyasabeaver”?Well,beaversareextremelybusyanimals.Theyarebestknownforbuildingdams.Adamisawallofbranchesbuiltacrossastream.Beaversarerodents,smallmammalsthathaveteethforgnawing.Beaversmaygrowtobe4feet(1.22m)long,includingtheirflat,pancake-shapedtails.Theyarealsoquiteheavy.Beaversmayweighupto75pounds(34kg).3Beaverslivealongthebanksofriversandstreams.The...
