PAIREDREADExpositoryTextWhyBatFliesatNightbyJocelynCranefieldSTRATEGIES&SKILLSComprehensionStrategy:AskandAnswerQuestionsSkill:CauseandEffectVocabularyStrategyParagraphCluesVocabularyadaptations,agile,caches,dormant,forage,frigid,hibernate,insulateContentStandardsScienceLifeSciencePhotographyCredit:MarkMoffett/MindenPictures/Gettyimages.**Thetotalwordcountisbasedonwordsintherunningtextandheadingsonly.Numeralsandwordsincaptions,labels,diagrams,charts,andsidebarsarenotincluded.WordCount:2,193**ACopyright©TheMcGraw-HillCompanies,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutthepriorwrittenconsentofTheMcGraw-HillCompanies,Inc.,including,butnotlimitedto,networkstorageortransmission,orbroadcastfordistancelearning.Sendallinquiriesto:McGraw-HillEducationTwoPennPlazaNewYork,NewYork10121ISBN:978-0-02-119101-7MHID:0-02-119101-8PrintedintheUnitedStates.123456789DOC151413121110PAIREDREADEssentialQuestionHowarelivingthingsadaptedtotheirenvironment?Introduction.................................2Chapter1FromtheEntrancetotheTwilightZone......4Chapter2DarkandSurprisingPlaces..................10Conclusion..................................16RespondtoReading........................18WhyBatFliesatNight...........19Glossary....................................22Index.......................................23FocusonScience...................24byJocelynCranefieldIntroductionCavesarefoundineverypartoftheworld.ThesenaturalopeningsinthegroundmayextendfarbeyondtheirentranceandgodeepbeneathEarth’ssurface.Atfirstsight,acavemightseemtobeonlyadarkandemptyspace,andifyoushineyourflashlightaroundinsidethecave,you’llprobablyjustseeemptiness.However,it’slikelythatifyougoinsidethecave,youwon’tbealone.Scientistswhostudytheorganismsincaves—biospeleologists—knowtheseplacesareteemingwithlife.Cavescanbelocatedonthecoast,withinaforest,orevenbeneathadesert.Somearemadeoutoflimestone,whileothershavebeenformedfromma...
