资源描述：
《《科学探索者-模块e-生态》》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、i-01-LBE-8617468/19/0411:03PMPageiDarrellGulin/GettyImagesi-01-LBE-8617468/19/0411:03PMPageiiEcologyThreegenerationsofreticulatedgiraffesareinteractingonanAfricansavanna.Femalesstartbreedingataroundfiveyearsold,andgestationisabout15months.Calvesarebornfromastandingfemale,droppingsixfeettotheground!T
2、heyweigh100to150pounds,andaresixfeettallatbirth.Copyright©2005byTheMcGraw-HillCompanies,Inc.Allrightsreserved.ExceptaspermittedundertheUnitedStatesCopyrightAct,nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutpriorwrittenpermissiono
3、fthepublisher.TheNationalGeographicfeaturesweredesignedanddevelopedbytheNationalGeographicSociety’sEducationDivision.Copyright©NationalGeographicSociety.Thename“NationalGeographicSociety”andtheYellowBorderRectanglearetrademarksoftheSociety,andtheiruse,withoutpriorwrittenpermission,isstrictlyprohibit
4、ed.The“ScienceandSociety”andthe“ScienceandHistory”featuresthatappearinthisbookweredesignedanddevelopedbyTIMESchoolPublishing,adivisionofTIMEMagazine.TIMEandtheredborderaretrademarksofTimeInc.Allrightsreserved.Sendallinquiriesto:Glencoe/McGraw-Hill8787OrionPlaceColumbus,OH43240-4027ISBN:0-07-861746-4
5、PrintedintheUnitedStatesofAmerica.2345678910027/055090807060504DarrellGulin/GettyImagesi-01-LBE-8617468/19/0411:03PMPageiiiAuthorsPeterRillero,PhDDinahZikeAssociateProfessorofEducationalConsultantEducationDivisionScienceEducationDinah-MightActivities,Inc.Washington,D.C.ArizonaStateUniversityWestSanA
6、ntonio,TXPhoenix,AZSeriesConsultantsCONTENTSAFETYMichaelA.Hoggarth,PhDSandraWest,PhDDepartmentofLifeandEarthSciencesDepartmentofBiologyOtterbeinCollegeTexasStateUniversity-SanMarcosWesterville,OHSanMarcos,TXDominicSalinas,PhDACTIVITYTESTERSMiddleSchoolScienceSupervisorCaddoParishSchoolsNermaCoatsHen
7、dersonShreveport,LAPickeringtonLakeviewJr.HighSchoolPickerington,OHMATHMaryHelenMariscal-CholkaTeriWillard,EdDWilliamD.SliderMiddleSchoolMathematicsCurriculumWriterElPaso,TXBelgrade,MTScienceKitandBor
