nannoplankton

Also na·no·plank·ton

[nan-uh-plangk-tuhn]

noun

1. the smallest of the microplankton; the aquatic organisms that can pass through fine mesh plankton nets.

nannoplankton

1. Plankton of minute size, especially plankton composed of organisms measuring from 2 to 20 micrometers.

Word History and Origins

Origin of nannoplankton¹

1910–15; nanno- ( def. ) + plankton

Example Sentences

We conclude that although there was undoubtedly a biotic response to environmental changes during OAE1a, there is no compelling evidence that surface ocean acidification was the dominant control on nannoplankton assemblages or coccolith morphology.

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