Transpiration and Transpiration and Translocation in PlantsTranslocation in Plants

TRANSPIRATIONTRANSPIRATION http://techalive.mtu.edu/meec/modul

e01/Transpiration.htm New: casparian strip linkNew: casparian strip linkhttp://www.sciencemag.org/site/feature/misc/webfeat/vis2005/show/transpiration.swf

TranslocationTranslocation

Plant TissuesPlant Tissues Ground tissuesGround tissues ParenchymaParenchyma

– Thin wallsThin walls– StorageStorage– PhotosynthesisPhotosynthesis– SecretionSecretion

Plant TissuesPlant Tissues Ground tissuesGround tissues CollenchymaCollenchyma

– Thick, flexible Thick, flexible wallswalls

– SupportSupport

Plant TissuesPlant Tissues Ground tissuesGround tissues SclerenchymaSclerenchyma

– Thick wallsThick walls– SupportSupport

Plant TissuesPlant Tissues Dermal TissueDermal Tissue EpidermisEpidermis

– Cover surface of plantCover surface of plant– Guard cells-Guard cells-

Plant TissuesPlant Tissues Vascular TissueVascular Tissue XylemXylem

– Transports water & Transports water & mineralsminerals

– TracheidsTracheids– Vessel elementsVessel elements

Plant TissuesPlant Tissues Vascular TissueVascular Tissue PhloemPhloem

– Transports foodTransports food– Sieve-tube membersSieve-tube members– Companion cellsCompanion cells

Design a lab to test factors that Design a lab to test factors that effect the rate of transpirationeffect the rate of transpiration

Start todayStart today Pre-lab and materials gathered tomPre-lab and materials gathered tom Lab will be run on WedLab will be run on Wed Quiz on water properties and Quiz on water properties and

potential before labpotential before lab