kinesis

• 生物体对刺激作出的非定向运动反应，运动方向随机或与刺激源方向无关。也泛指运动或动态变化。

A movement or response by an organism to a stimulus, where the direction of movement is random or not oriented relative to the stimulus source.

不可数

1. Undirected movement in response to a stimulusC1formalscientific

   A movement or activity of an organism in response to a stimulus, where the direction of movement is not determined by the direction of the stimulus.

   动态反应

   • Woodlice exhibit kinesis by moving more rapidly in dry conditions.
   • The study of kinesis helps understand how simple organisms find favorable environments.
   • Unlike taxis, kinesis does not involve orientation toward or away from the stimulus.