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Diatom Definition A diatom is a unicellular eukaryotic alga characterized by having a siliceous covering and a symmetrical... Read More

Definition noun A type of silica-rich dirt which is soft, fine-grained, porous, light-coloured, and composed of the... Read More

Definition noun Photosynthetic (plant-like) constituent of plankton, mainly comprised of unicellular... Read More

Definition noun (phycology) A phylum comprised of chrysophytes (golden algae), xanthophytes (yellow-green algae), and... Read More

In phycology, the golden algae are algal species that are found mostly in freshwater. They are also called the chrysophytes.... Read More

Definition noun plural: minerals min·er·al, ˈmɪn.əɹ.əl Any of the various naturally-occurring abiogenic substances,... Read More

Definition noun plural: chitin chi·tin, ˈkaɪtɪn (1) A polymer of nitrogen-containing polysaccharide (C8H13O5N)n... Read More

plankton (Science: marine biology) small (often microscopic) plants and animals floating, drifting or weakly swimming in... Read More

Microalgae are microscopic algae. They are single-celled algae that may exist independently or in colonies. They are... Read More

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