Circadian surfaces and the diversity of possible roles of circadian organization in photoperiodic induction.
D001683:Biological Clocks; D002940:Circadian Rhythm; D003624:Darkness; D007313:Insecta / Q000502:physiology; D008027:Light; D008433:Mathematics; D008954:Models, Biological; D018521:Plant Physiological Phenomena; D011830:Radiation Effects