http://mason.gmu.edu/~jlawrey/biol3
04/biol304/potometer.gif
Transpiration =
Evaporation of
water through
stomata / from
leaves
http://www.atmos.uiuc.edu/earths_atmosphere/images/water_cycle/
hydrologic_cycle2.jpg
•Pores in leaves
•2 guard cells
•Controlled by water

http://www.scienceclarified.com/i
mages/uesc_06_img0338.jpg
http://www.shef.ac.uk/aps/mbiolsci/hungerfo
rd-dan/stomata2.jpg
http://fig.cox.miami.edu/~cmallery/150/ch
emistry/c8.3x3.transpiration.jpg
1. Root Pressure
2. Capillarity
3. Cohesion-tension
http://academic.kellogg.cc.mi.us/herbrand
sonc/bio111/images/water/water.6.jpg





straw-like
in roots, stems, leaves
carries water
dead cells
various types
http://universe-review.ca/I10-22axylem.jpg
H-BONDING causes
cohesion and adhesion

biology.arizona.edu