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holoplankton

[hol-uh-plangk-tuh n, hoh-luh-]
noun
  1. plankton that spend their entire life cycle as free-swimming organisms (opposed to hemiplankton).
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Origin of holoplankton

Related formshol·o·plank·ton·ic [hol-oh-plangk-ton-ik, hoh-loh-] /ˌhɒl oʊ plæŋkˈtɒn ɪk, ˌhoʊ loʊ-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for holoplanktonic

holoplankton

noun
  1. organisms, such as diatoms and algae, that spend all stages of their life cycle as planktonCompare meroplankton
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

holoplanktonic in Science

holoplankton

[hŏl′ə-plăngktən, hō′lə-]
  1. Plankton that remains free-swimming through all stages of its life cycle.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.