Answer: Annelids
Notes: Annelids, Arthropods, Molluscs, etc. are examples of bilateral symmetry whereas Coelenterates, ctenophores, and echinoderms are examples of Radial symmetry. In bilateral symmetry, only one plane divides the body into two equal halves and in Radial symmetry, any plane passing through the central axis divides the body into two equal halves.
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