Tuesday, 22 March 2011



- Evaporation of H20 (liquid to gas) involved heat. The heat is provided by Sunlight as it’s absorbed by the leaf structure through the stomatal pores
- Water travels up the plant to the leaf, where sunlight heats up the leaf, providing the heat needed.
- Cross Section: Not all light will be absorbed by the chloroplast; some absorbed by other cell structures and will generate heat.
- Water enters through Xylem, and moves through the spongy mesophyll. Just above the stomatal pore the change occurs from liquid to gas.
- Diffuses through pore at a steep diffusion gradient
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1 comment:

  1. jobu23 March 2011 at 05:40

    first bullet point: sunlight is absorbed through the leaf surface not the pore

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