Definition, Meaning & Synonyms

photokinesis

Noun
foh-toh-ki-nee-sis
Definition
Photokinesis refers to the movement of organisms in response to light stimuli. It is a type of phototactic behavior where an organism’s activity increases or decreases in relation to the presence and intensity of light.
Examples
  • The photokinesis of some bacteria allows them to thrive in illuminated environments.
  • In the study of insects, photokinesis plays a critical role in understanding how they navigate towards food sources.
Meaning
The term describes how certain living organisms or cells move towards or away from light, often enhancing their survival or reproductive success depending on environmental conditions.
Synonyms
  • Light movement
  • Phototropic response