A plant's growth response to mechanical stress, such as rain or contact with passing animals, is known as
A) phototropism.
B) gravitropism.
C) thigmomorphogenesis.
D) a circadian rhythm.
E) thigmotropism.

Question

Quizplus · Accepted Answer

Thigmomorphogenesis refers to the way plants change their growth patterns in response to mechanical stress, such as touch or wind. This can include changes in form, such as becoming shorter and thicker, to better resist the stress.

A Plant's Growth Response to Mechanical Stress, Such as Rain