title: Olfaction and selective association in the earthworm, Lumbricus terrestris.
mesh_terms: D000818:Animals; D001245:Association Learning; D001362:Avoidance Learning; D002755:Choice Behavior; D003463:Cues; D004193:Discrimination Learning; D000431:Ethanol; D007858:Learning; D009812:Odorants; D009835:Oligochaeta; D009949:Orientation; D012684:Sensory Thresholds; D012903:Smell
chemical_list: D000431:Ethanol