title: The effect of exposure to black background and to alpha-MSH on black-white background preference in the amphibian Xenopus laevis (Daudin).
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D002755:Choice Behavior / Q000187:drug effects; D003116:Color; D008543:Melanins / Q000378:metabolism; D009074:Melanocyte-Stimulating Hormones / Q000494:pharmacology*; D008544:Melanocytes / Q000378:metabolism; D013997:Time Factors; D014981:Xenopus / Q000502:physiology*
chemical_list: D008543:Melanins; D009074:Melanocyte-Stimulating Hormones