How Plants Move In A 24-hour Period
Watch these plants 'sleep' and 'wake up' over a 24-hour period. Nature is full of surprises!
This is the circadian (recurring naturally on a twenty-four-hour cycle) rhythmic movement
of higher plants in response to the onset of darkness, or a plant "sleeping".
The phenomenon is called "Nyctinasty."
The movements are associated with light and temperature changes and controlled by the circadian clock.
It is different from "Phototropism" where plants move towards the source of light.
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