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Algae  

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Algae Under the sun, there is a simple water plant known as algae. It is photosynthetic; using the energy of the sun to change carbon dioxide and water into food and oxygen. Algae cells are eukaryotic and their cell walls are made up of cellulose. From oceans to backward ponds, there exist members of Chlorophyta, Rhodophyta, and Phaeophyta, producers that form the base of the marine food pyramid. The habitat of a certain algae is determined by its structure, and ability to survive in varying environments. Because Algae have neither a vascular system, nor an advanced and efficient intercellular conduction system, most live where their needed raw material is most abundant, in the water. Living in the water provides algae with many advantages over living on land. They do not need to worry about lack of water for photosynthesis, they can use water to aid reproduction, they do not undergo violent temperature...

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