title: Indirect effects of light: ecological and ethological considerations.
mesh_terms: D000818:Animals; D003624:Darkness; D004307:Dose-Response Relationship, Radiation; D004326:Drinking; D008027:Light; D008029:Lighting; D008550:Melatonin / Q000378:metabolism; D009043:Motor Activity; D010507:Periodicity; D010870:Pineal Gland / Q000378:metabolism; D051381:Rats / Q000502:physiology; D011919:Rats, Inbred Strains / Q000502:physiology; D013472:Sunlight
chemical_list: D008550:Melatonin