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1、WhyProtectADyingLeaf?42.1-HowArePlantBodiesOrganized;HowDoTheyGrow?p.86042.2-TheTissuesandCellTypesofPlants?p.86242.3-TheStructures,FunctionsofLeaves,Roots,&Stems?p.86542.4-HowDoPlantsAcquireMineralNutrients?p.87342.5-HowDoPlantsMoveWaterUpwardfromRootstoLeaves?p.876Chapter#42–Plant
2、Anatomy&NutrientTransport7thEditioninAudesirk,Audesirk,andByersChapter#24–PlantAnatomy&NutrientTransportPlantAnatomySystemsandTissuesHowArePlantBodiesOrganized,andHowDoTheyGrow?FloweringPlantsConsistofaRootSystemandaShootSystem.AsPlantsGrow,MeristemCellsGiveRisetoDifferentiatedCells
3、.TheArtandScienceofLivingSurvive(live)ReproduceSupportthebodyObtainwater&nutrientsTransportwater&nutrientsObtainenergyGrowandDevelopExchangegases?ProtectionfromHerbivoryAngiosperms(MonocotsandDicots)Floweringplants(calledAngiosperms)aredividedintotwogroups(monocotsanddicots)basedont
4、hestructureoftheirflowers,leaves,vasculartissue,roots,andseeds.Largestphylumoflivingplants.250,000+species.Seedsenclosedbyfruits.Theophrastus(370–286B.C.)FatherofBotany.Authoroftheoldesttreatiseonpurebotany,HistoriaPlantarum,inwhichhedescribedabout480kindsofplants.[Family,Theophrast
5、aceae]SwedishnaturalistCarolusLinnaeuswasthefirsttoformalizetheuseofhighertaxainhisbookSystemaNaturae(1735),establishingthestandardhierarchytaxonomystillinusetoday.Inaddition,Linnaeusdevisedlogicalrulestoclassifyspeciesthatcontinuedtobeusedbyscientistsforover200years.CarlLinnaeus(17
6、07-1778)PlantAnatomyRoots&ShootsRootandshootsystemsaremadeupofbasicplantorgans:roots,leaves,stems,flowers.RootSystemFunctionsAnchorplant.Absorbwaterandminerals.Storesugarasstarch.TransportmaterialsProducesomehormones.Interactwithsoilmicrobes.Photosynthesis(primarilyinleaves)Transpor
7、tofmaterials(water,minerals,sugars,andhormonesamongleaves,flowers,fruits,androots)ReproductionHormonesynthesisShootSystemFunctionsAngiosperms(MonocotsandDicots)Monocotshaveonecotyledon(seedleaf)e.g.grasses,lilies,palms,orchidsDicotshavetwocotyledons(seedleaves)e.g.deciduoustrees(dro
8、pleavesinwinter),bu
