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Hasil cari dari kata atau frase: Phototaxis (0.00952 detik)
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English → English (gcide)
Definition: Phototaxis
Phototaxis
\Pho`to*tax"is\, Phototaxy
\Pho"to*tax`y\, n. [NL.
phototaxis; photo- + Gr. ? an arranging.] (Biol.)
The influence of light on the movements of low organisms, as
various infusorians, the zo["o]spores of certain alg[ae],
etc.; also, the tendency to follow definite directions of
motion or assume definite positions under such influence. If
the migration is toward the source of light, it is termed
positive phototaxis; if away from the light,
negative phototaxis. --
Pho`to*tac"tic, a. --
Pho`to*tac"tic*al*ly, adv.
[Webster 1913 Suppl.]
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