Kinesis

Definition

Kinesis is a non-directional response where an organism's speed or activity level changes due to changes in their environment but not necessarily toward or away from any specific stimuli.

Related terms

Orthokinesis: The speed of movement of the individual is dependent upon the intensity of the stimulus.

Klinokinesis: The frequency or rate of turning is proportional to stimulus intensity.

Tropism: A biological phenomenon indicating growth or turning movement of a biological organism in response to an environmental stimulus.