rheotaxis

rhe·o·tax·is  (r-tkss)

n.

Movement of an organism in response to a current of water or air.

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rheo·tactic (-tktk) adj.

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rheotaxis

the tendency of certain living things to move in response to the mechanical stimulus of a current of water.

See also: Motion

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the tendency of some plants to respond to a current of water by growing with it (positive rheotaxis) or against it (negative rheotaxis).

See also: Water