Plant movements that are not oriented relative to the direction of the stimulus are called
A) phototropisms.
B) nastic movements.
C) etiolated movements.
D) thigmotropisms.
E) silhouette movements.

Question

Quizplus · Accepted Answer

Nastic movements in plants are non-directional responses to stimuli, meaning the direction of the response does not depend on the direction from which the stimulus originates, unlike tropisms which are directional responses.

Plant Movements That Are Not Oriented Relative to the Direction