8.1 INTRODUCTION Life on this rotating planet is confronted with periodic changes in environmental conditions. Yet, some of the environmental changes, such as environmental illumination, temperature, food/predator availability, are quite predictable throughout a day/night cycle. Thus, virtually all organisms on Earth have successfully evolved endogenous mechanisms that allow organisms to harmonize their behavioral and physiological processes according to time of day. The resulting circadian rhythms are believed to optimize energy utilization, reproduction and survival , .
|Title of host publication||Sleep, Circadian Rhythms, and Metabolism|
|Subtitle of host publication||The Rhythm of Life|
|Publisher||Apple Academic Press|
|Number of pages||27|
|Publication status||Published - 2014 Jan 1|
ASJC Scopus subject areas