Daily fluctuations in the rhythmical movement of plant leaves come from:
A)temperature changes.
B)conditions within the plant.
C)sunlight changes.
D)changes in the electromagnetic field.

Question

Quizplus · Accepted Answer

The rhythmical movement of plant leaves is primarily driven by internal biological clocks within the plant, which regulate these movements independently of external conditions.

Daily Fluctuations in the Rhythmical Movement of Plant Leaves Come