phototropism

• Tendance des organismes, notamment des plantes, à croître ou à s'orienter en réponse à la direction de la lumière.

A biological phenomenon referring to the growth or movement of an organism, typically a plant, in response to the direction of light.

indénombrable

1. Growth response to lightC1formalscientific

   The growth or movement of a plant or other organism in response to the direction of light.

   Phototropisme

   • Sunflowers exhibit positive phototropism by turning their heads toward the sun.
   • The plant's phototropism ensures its leaves receive maximum sunlight for photosynthesis.
   • Scientists studied phototropism in seedlings to understand how they bend toward light.