Question

Circadian clocks enhance the innate ability of organisms to survive under ever-changing environments by enabling them to efficiently anticipate periodic events such as availability of food, light and mates. the mechanism of resetting of the clocks with varying time zones and cues occur in organisms from bacteria to humans. precisely timed rhythmic activities confer greater adaptive advantage compared to randomly occurring activities, and in turn those clocks that enable organisms to maintain such phases are selected.

Answer 1

it is a biological process that process endogenous oscillations of 24 rhythm these are mainly observed in cyanobacteria fungi . these are mainly helpful and sleepwalk cycle these are mainly released by melatonin pigment