AP Biology Lab 9: Transpiration

Paul Andersen starts by defining transpiration as evaporation off of a leaf.  He then describes how a potometer can be used to measure the rate of transpiration in different environments.

Intro Music Atribution
Title: I4dsong_loop_main.wav
Artist: CosmicD
Link to sound: http://www.freesound.org/people/Cosmi...
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