Plants seem to move in response to stimuli because of directional or tropic growth. Environmental triggers like light or gravity influence the direction in which plant parts grow, creating the illusion of movement.

Tropic movements in plants are directional responses to environmental triggers such as light or gravity. Shoots exhibit positive phototropism by bending towards light, while roots show negative phototropism by bending away from light.

Tendrils in plants like the pea plant exhibit climbing behavior by circling around a support upon touch. The part of the tendril in contact with the object grows less rapidly than the part away from the object, causing the tendril ...