title: Model biology.
mesh_terms: D000818:Animals; D001001:Anura / Q000254:growth & development; D002633:Chemotaxis; D002641:Chicago; D000242:Cyclic AMP / Q000378:metabolism; D003867:Depth Perception; D004058:Diffusion; D004626:Embryology; D008954:Models, Biological; D008959:Models, Neurological; D009024:Morphogenesis; D009235:Myxomycetes / Q000254:growth & development; D009474:Neurons / Q000502:physiology; D012160:Retina / Q000254:growth & development; D012958:Societies, Scientific
chemical_list: D000242:Cyclic AMP