Hǎixīng hé shuǐmǔ dōu jùyǒu fúshè duìchèn de shēntǐ.
Starfish and jellyfish both have radially symmetric bodies.
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辐射对称 contrasts with 两侧对称 (bilateral symmetry, the body plan of most animals). Radial animals, cnidarians, ctenophores, adult echinoderms, live attached or drifting, with sensory organs arranged around a central axis.
