EOG8NP9KH GO:0009649 1/23 entrainment of circadian clock biological_process "The synchronization of a circadian rhythm to environmental time cues such as light." [GOC:jid] EOG8NP9KH GO:0010378 1/23 temperature compensation of the circadian clock biological_process "The process in which the circadian clock maintains robust and accurate timing over a broad range of physiological temperatures. The circadian clock is an endogenous 24-h timer found in most eukaryotes and in photosynthetic bacteria. The clock drives rhythms in the physiology, biochemistry, and metabolism of the organisms." [PMID:16617099]