NarrativeNonfictionSanFranciscoBaySavingPAIREDREADTheGreatEstuaryEcosystembyYvonneMorrinSTRATEGIES&SKILLSAComprehensionStrategy:SummarizeSkill:MainIdeaandKeyDetailsVocabularyStrategySentenceCluesVocabularycrumble,droughts,ecosystem,extinct,flourished,fragile,imbalance,rippledELLVocabularyenvironment,preserving,supportContentStandardsScienceLifeSciencePhotographyCredit:(bkgd)MacduffEverton/Corbis,(tc)Animals&Wildlife/V6DigitalStock/CORBIS**Thetotalwordcountisbasedonwordsintherunningtextandheadingsonly.Numeralsandwordsincaptions,labels,diagrams,charts,andsidebarsarenotincluded.WordCount:1,138**Copyright©TheMcGraw-HillCompanies,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutthepriorwrittenconsentofTheMcGraw-HillCompanies,Inc.,including,butnotlimitedto,networkstorageortransmission,orbroadcastfordistancelearning.Sendallinquiriesto:McGraw-HillEducationTwoPennPlazaNewYork,NewYork10121ISBN:978-0-02-119150-5MHID:0-02-119150-6PrintedintheUnitedStates.123456789QLM151413121110SanFranciscoBaySavingbyYvonneMorrinPAIREDREADEssentialQuestionHowarealllivingthingsconnected?Chapter1SomethingMustBeDone!................2Chapter2SpeakingOut...........................6Chapter3TheFightContinues....................10RespondtoReading....................15TheGreatEstuaryEcosystem..16Glossary/Index..........................19FocusonScience...............20MacduffEverton/CORBISManykindsofbirdsliveinSanFranciscoBay.InDecember1960,Catherine“Kay”KerrlookedacrossBerkeleyBayfromherwindow.Windrippledthewater.Aheronwashuntingforfoodneartheshore.WildlifeflourishedinSanFranciscoBay(theBay).Kerrlookedworried.Herfriend,EstherGulick,askedwhatwaswrong.Kerrpointedacrossthebay.Theysawbulldozerspushingsoil,sand,androcksintotheshallowwater.SomethingMustBeDone!Chapter12PacificOceanThebulldozerswerefillingintheBaytomakemoreland.SanFranciscoBayisanestuary.Anestuaryisaplacewherefreshwaterfromstreamsandriversflowsintoah...
