Transpiration and Translocation in Plants

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Presentation transcript:

Transpiration and Translocation in Plants

TRANSPIRATION http://techalive.mtu.edu/meec/module01/Transpiration.htm New: casparian strip link http://www.sciencemag.org/site/feature/misc/webfeat/vis2005/show/transpiration.swf

Translocation

Plant Tissues Ground tissues Parenchyma Thin walls Storage Photosynthesis Secretion

Plant Tissues Ground tissues Collenchyma Thick, flexible walls Support

Plant Tissues Ground tissues Sclerenchyma Thick walls Support

Plant Tissues Dermal Tissue Epidermis Cover surface of plant Guard cells-

Plant Tissues Vascular Tissue Xylem Transports water & minerals Tracheids Vessel elements

Plant Tissues Vascular Tissue Phloem Transports food Sieve-tube members Companion cells

Design a lab to test factors that effect the rate of transpiration Start today Pre-lab and materials gathered tom Lab will be run on Wed Quiz on water properties and potential before lab