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Animals can be classified by three types of body plan symmetry: radial symmetry, bilateral symmetry, and asymmetry. Learning Objective. Key Points. Animals with radial symmetry have no right or left sides, only a top or bottom; these species are usually marine organisms like jellyfish and corals.
Definition of Reflectional Symmetry. A Reflectional Symmetry is a type of symmetry in which one half of the object is the mirror image of the other. A figure may have both horizontal and vertical lines of reflection.