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Biology LibreTexts

7: Photosynthesis

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  • Learning objectives

    • To recognize how the first photosynthetic organisms changed the atmosphere of the earth.To describe the 2 phases of photosynthesis.
    • To test a hypothesis concerning the effect of different light conditions on the rate of the light dependent reaction of photosynthesis.
    • To collect data and generate a bar graph depicting the results of this experiment.


    Thumbnail: Plant cells (bounded by purple walls) filled with chloroplasts (green), which are the site of photosynthesis. Image used iwth permission (CC BY-SA 3.0; Kristian Peters).