phototaxis

/fɒtɒˈtæksɪs/

Definitions

1. noun

The directional movement of organisms in response to light, especially in the direction of the light source.

“The plant’s phototaxis caused it to grow towards the window with maximum sunlight.”

2. noun

The orientation of an organism’s body in response to light, often used in scientific studies of animal behavior.

“Researchers studied the phototaxis of nocturnal animals to understand their unique adaptation to darkness.”

Synonyms

  • heliotropism
  • phototropism

Antonyms

  • nyctotropism
  • skototropism