Lesson Media Objects
Transpiration - Water Movement through Plants
Transpiration - Introduction
Welcome to a lesson that will examine how water moves through plants. Plants lose gallons of water every day through the process of transpiration, the evaporation of water from plants primarily through pores in their leaves. Up to 99% of the water absorbed by roots is lost via transpiration through plant leaves. How and why do they do it? How do the plants avoid losing too much water? What environmental conditions control water loss? An animation with the following text provides a visual tool for you to understand these processes as well.
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