nektonic
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nektonic — adjective see nekton … New Collegiate Dictionary
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
