🦊 In this GCSE Biology video, we explain how light intensity affects photosynthesis, a process that can be investigated by varying the distance between pondweed and a light source. By counting the oxygen bubbles produced by the pondweed per minute at different light intensities, one can gauge the rate of photosynthesis. The graph generated from this experiment typically shows an increase in photosynthesis rate with increased light intensity, up to a point where the curve levels off, indicating that other factors (like carbon dioxide concentration) become limiting. In essence, brighter light accelerates photosynthesis, while dimmer light slows it down. This relationship is crucial for understanding how light intensity influences the rate of photosynthesis.

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