| http://www.w3.org/ns/prov#value | - See illustration. phloem - n. the tissue forming part of a plant's vascular system; used by the plant to transport carbohydrates and other organic (food) materials from the leaves to the rest of the plant. photosynthesis - n. a chemical process that takes place in virtually all plants including aquatic plants and algae (and many forms of bacteria).
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