Article discussing the structure, function, and efficiency of stomata, the apertures on plants' leaves that regulate gas and water vapor exchange during photosynthesis. (Published: August 3, 2010)

This tutorial examines how water moves through a plant. Follow the pathway that water takes through plants from the roots to evaporation from cells in the leaves. Learn what controls rates of transpiration, how environmental conditions...

This is a good explanation of plant water balance issues and carbon fixing cycles. Transpiration processes are explained well with links to additional information.

Provides a simple definition and description of photosynthesis in plants and explains why photosynthesis is so vital for all living organisms.