algae (redirected from pond scum)

al·gae (lj)

pl.n.

Any of various chiefly aquatic, eukaryotic, photosynthetic organisms, ranging in size from single-celled forms to the giant kelp.

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Algae

Plants that have one cell.

Mentioned in: Fish and Shellfish Poisoning

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alga

pl. algae [al′gə]

Etymology: L, seaweed

any of a large group of mostly photosynthetic protists, found worldwide in fresh water, in salt water, and on land. algal, adj.

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algae

a group of plants living in the water, including all seaweeds, and ranging in size from microscopic cells to fronds many meters long. A group of unicellular algae, the Cyanobacter, growing on dams, ponds and lakes can cause severe mortalities in animals drinking the water. See also algal, microcystis, prototheca. Artificial culture of algae as a source of livestock feed is being tried in some arid countries.