The environmental factor that triggers shade avoidance is that plants perceive changes in the ratio of ___ to ___ light that result from the presence of nearby plants.
A) red; green
B) blue; ultraviolet
C) yellow; green
D) red; far-red
E) blue; violet

Question

Quizplus · Accepted Answer

The environmental factor that triggers shade avoidance in plants is the perception of changes in the ratio of red to far-red light. This change occurs because plants absorb more red light, leaving more far-red light to be reflected or transmitted to neighboring plants, indicating competition for light.

The Environmental Factor That Triggers Shade Avoidance Is That Plants