from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One of the animal organisms constituting zooplankton.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any organism that is a zooplankton


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  • Zebra mussels are implicated in the alarming disappearance of Diporeia, a key native zooplankter that is vital to the diet of many native fish species.

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