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  • Beakman's World: Plant Water Absorption

    Beakman explains how plants take up water through the xylem. To demonstrate this, he splits the stem of a white flower in half and puts each half into a different jar of colored water. He also puts a stick of celery in one of the jars. The next day, you can see the white flower is now two different colors and if you split the celery, you can see the xylem because it's now colored.

  • Crash Course: Biology: Photosynthesis

    Hank explains in-depth the series of reactions that take place for a plant to produce food for itself, also known as photosynthesis. This video also explores the prerequisites (sunlight, carbon dioxide, and water) of these reactions. Key Words: Xylem, Stomata, Chlorophyll, Chloroplast, Thylakoid, Photoexcitation, Photosystem II, Electron Transport Chain, Cytochrome Complex, ATP