nektonic
adjective see nekton

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • nektonic — See nekton. * * * …   Universalium

  • nektonic — adjective Swimming independently of currents …   Wiktionary

  • nektonic — nek·ton·ic …   English syllables

  • nektonic — adjective see nekton …   Useful english dictionary

  • nekton — nektonic, adj. /nek ton, teuhn/, n. the aggregate of actively swimming aquatic organisms in a body of water, able to move independently of water currents. [1890 95; < G, n. use of neut. of nektós swimming (verbid of néchein to swim; see… …   Universalium

  • Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… …   Universalium

  • nekton — noun Etymology: German Nekton, from Greek nēkton, neuter of nēktos swimming, from nēchein to swim more at natant Date: 1893 free swimming aquatic animals essentially independent of wave and current action • nektonic adjective …   New Collegiate Dictionary

  • Plankton — For other uses, see Plankton (disambiguation). Photomontage of planktonic organisms Plankton (singular plankter) are any drifting organisms (plants …   Wikipedia

  • Zooplankton — A copepod (Calanoida sp.) Zooplankton  / …   Wikipedia

  • Barnacle — For other uses, see Barnacle (disambiguation). Barnacles Temporal range: Mid Cambrian–Recent …   Wikipedia

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