Plankton meaning

plăngktən
Plankton are all of the small microscopic organisms that float in the ocean, sea or other bodies of salt or fresh water.

Small crustaceans in the Atlantic ocean, along with eggs, larvae and protozoans are an example of plankton.

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The collection of mostly small or microscopic organisms that drift or swim weakly in a body of water, including bacteria, diatoms, jellyfish, and various larvae. Plankton is an important food source for fish and other larger organisms.
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The usually microscopic animal and plant life found floating or drifting in the ocean or in bodies of fresh water, used as food by nearly all aquatic animals.
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Small organisms that float or drift in great numbers in bodies of salt or fresh water. Plankton is a primary food source for many animals, and consists of bacteria, protozoans, certain algae, cnidarians, tiny crustaceans such as copepods, and many other organisms.
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A generic term for all the organisms that float in the sea. A single organism is known as a plankter.
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Origin of plankton

  • German from Greek neuter of planktos wandering from plazein to turn aside plāk-2 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From German Plankton, coined by Viktor Hensen and derived from Ancient Greek πλαγκτός (planktos, “drifter").

    From Wiktionary