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Sinking of zooplankton during the day an...

Sinking of zooplankton during the day and rising to the surface at night is an example of

A

Circinal rhythm

B

Circadian rhythm

C

Tidal rhythm

D

None of these

Text Solution

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The correct Answer is:
B
Circadian rhythm or diurnal rhythm is any 24 hour periodicity in the behaviour or physiology of animals or plants. Examples are the sleep/activity cycle in many animals and the growth movements of plants. Circadian rhytms are generally controlled by biodlogical clocks
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