radial symmetry means an animal has similar body parts dispersed in all directions around a central axis
radial_thing is axisymmetric_object. directivity is radial_asymmetry. radial_asymmetry is asymmetry. radial_asymmetry is not asymmetry. radial_symmetry is not symmetry. radial is car_tire. radial_symmetry is symmetry. hemisphere is radial_thing. circle is radial_thing.