Photoreception and photomovements in microorganisms.
D000818:Animals; D002696:Chlamydomonas / Q000502:physiology; D016798:Ciliophora / Q000502:physiology; D005055:Euglena / Q000502:physiology; D005056:Euglena gracilis / Q000502:physiology; D056890:Eukaryota / Q000502:physiology*; D008027:Light; D008954:Models, Biological; D009068:Movement; D012399:Rotation