Examlex
In the Northern Hemisphere,most ocean currents run clockwise.
Zeitgeber
External or environmental cue that synchronizes an organism's internal body clock to the 24-hour day and night cycle, such as light.
Circadian Rhythm
The roughly 24-hour cycle in the physiological processes of living beings, influencing sleep-wake patterns, hormone release, and other bodily functions.
Diurnal
Pertaining to or active during the day, as opposed to nocturnal.
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