ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY ANDREW LAMBERT PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Photosynthesis in aquatic plants. Pond weed (Elodea sp.) in a beaker of water, being used to demonstrate photosynthesis in aquatic plants. One of the products of photosynthesis is the gas oxygen. Aquatic plants such as Elodea give off visible bubbles of oxygen as photosynthesis takes place.
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