Biological clock

Definition

noun

(1) The mechanism inherent in organisms which relates to the periodicity of certain biological functions.

(2) The periodicity in the organism that pertains to the time at which the female is capable to conceive or bear a child, i.e. the time from puberty to menopause.


Supplement

Biological clock in many organisms plays a role in timing their biological functions to environmental factors.


See also: circadian rhythm


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