Plant activities that follow a biological clock so that they are based on cycles of about 24 hours are ____.
A) gravitropisms
B) photoperiodisms
C) thigmotropisms
D) circadian rhythms
E) phototropisms

Question

Quizplus · Accepted Answer

Circadian rhythms are biological processes that display an endogenous, entrainable oscillation of about 24 hours. These rhythms are driven by a circadian clock, and they have been widely observed in plants, animals, fungi, and cyanobacteria.

Plant Activities That Follow a Biological Clock So That They