PAIREDREADSavetheGreatPlainsWolvesBYKENBENNTheGreatPlainsExpositoryTextSTRATEGIES&SKILLSAPhotographyCredit:TetraImages/TetraImages/CORBIS**Thetotalwordcountisbasedonwordsintherunningtextandheadingsonly.Numeralsandwordsincaptions,labels,diagrams,charts,andsidebarsarenotincluded.WordCount:1,713**ComprehensionStrategy:AskandAnswerQuestionsSkill:Author’sPointofViewVocabularyStrategyRootWordsVocabularyagricultural,declined,disorder,identify,probable,thrived,unexpected,widespreadContentStandardsScienceLifeScienceCopyright©TheMcGraw-HillCompanies,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutthepriorwrittenconsentofTheMcGraw-HillCompanies,Inc.,including,butnotlimitedto,networkstorageortransmission,orbroadcastfordistancelearning.Sendallinquiriesto:McGraw-HillEducationTwoPennPlazaNewYork,NewYork10121ISBN:978-0-02-119199-4MHID:0-02-119199-9PrintedintheUnitedStates.123456789DOC151413121110PAIREDREADIntroduction..................................2Chapter1ShapingtheGreatPlains.......................4Chapter2TheHumansArrive...........................8Chapter3RebuildingtheGreatPlains’Ecosystems........13Conclusion...................................16RespondtoReading..........................18SavetheGreatPlainsWolves.......19Glossary.....................................22Index........................................23FocusonScience....................24EssentialQuestionHowdonaturaleventsandhumanactivitiesaffecttheenvironment?BYKENBENNTheGreatPlainsTetraImages/TetraImages/CORBISKANSASMINNESOTAMONTANANEBRASKANORTHDAKOTAOKLAHOMASOUTHDAKOTATEXASWYOMINGROCKYMOUNTAINSARKANSASRIVERMISSOURIRIVERMISSISSIPPIRIVERNEWMEXICOMEXICOCOLORADONSEWKANSASMINNESOTAMONTANANEBRASKANORTHDAKOTAOKLAHOMASOUTHDAKOTATEXASWYOMINGROCKYMOUNTAINSARKANSASRIVERMISSOURIRIVERMISSISSIPPIRIVERNEWMEXICOCANADAMEXICOCOLORADOTHEGREATPLAINSTheGreatPlainsIntroductionTheGreatPlainsofNorthAmericastretchhalfamillionsquaremiles.Inth...