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tropotaxis

[trop-uh-tak-sis, troh-puh-] /ˌtrɒp əˈtæk sɪs, ˌtroʊ pə-/
noun, Zoology
1.
straight movement by an organism toward or away from a source of stimulation as a result of comparing information received by paired sensory receptors on both sides of the body.
Compare klinotaxis.
Origin of tropotaxis
1930-1935
1930-35; tropo- + -taxis
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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