byMargaretGalloCover,©Corel;p.3,(tr)©TimLaman/NationalGeographicImageCollection,(tl)(br)©JohnFoxx/ImageStateStockPhotography,(bl)(bc)©Corbis;p.4,©MICHAEL&PATRICIAFOGDEN/MindenPictures;p.5,©J.A.L.Cooke/OSF/AnimalsAnimals;p.6,(t)©Corbis,(b)©Corel;p.8,©Photodisc;p.9,©DonaldSpecker/AnimalsAnimals;p.10,©RichardKolar/AnimalsAnimals;p.10-11,(c)©JamesH.Carmichael/PhotoResearchers,Inc.;p.11,©HansPfletschinger/PeterArnold,Inc.;p.12,©PattiMurray/AnimalsAnimals;p.13,©DwightKuhn;p.14,(l)©E.R.Degginger/AnimalsAnimals,(c)©MICHAELDURHAM/MindenPictures,(r)©RalphReinhold/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.PrintedinChinaISBN10:0-15-350504-4ISBN13:978-0-15-350504-1OrderingOptionsISBN10:0-15-350333-5(Grade3Below-LevelCollection)ISBN13:978-0-15-350333-7(Grade3Below-LevelCollection)ISBN10:0-15-357492-5(packageof5)ISBN13:978-0-15-357492-4(packageof5)Ifyouhavereceivedthesematerialsasexaminationcopiesfreeofcharge,HarcourtSchoolPublishersretainstitletothematerialsandtheymaynotberesold.Resaleofexaminationcopiesisstrictlyprohibitedandisillegal.Possessionofthispublicationinprintformatdoesnotentitleuserstoconvertthispublication,oranyportionofit,intoelectronicformat.1234567891098512111009080706byMargaretGalloButterfliesflutteramongflowersduringtheday.Mothsflytoporchlightsatnight.Butterflieshavebrightlycoloredwings.Mothshavedarker,softercolors.Butterfliesandmothsdonotstartoutthatway.Infact,theydon’tevenstarttheirliveswithwings!3Butterfliesandmothsareinsects.Th...