title: Immediate behavioral responses of an echinoderm to ionizing radiations.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D004307:Dose-Response Relationship, Radiation; D006801:Humans; D009043:Motor Activity / Q000528:radiation effects; D010786:Photoreceptor Cells / Q000502:physiology; D011830:Radiation Effects; D011930:Reaction Time; D012617:Sea Urchins / Q000502:physiology / Q000528:radiation effects*