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bilateral symmetry
A bilaterally symmetric organism is one that is symmetric about a plane running from its frontal end to its caudal end (head to tail), and has nearly identical right and left halves. Most animals are bilaterally symmetrical. The exceptions are sponges (no symmetry), cnidarian polyps and medusae, and ctenophores (radial symmetry), and echinoderms (partial radial symmetry).
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Natural environment
- Category: Coral reefs
- Organization: NOAA
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