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What does evidence show about radial symmetry in invertebrates? a. all invertebrates with radial symmetry are closely related b. radial symmetry was the very first invertebrate body pattern c. radial symmetry in invertebrates disappeared millions of years ago d. radial symmetry evolved at least twice in unrelated invertebrates groups

User Agfc
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D. radial symmetry evolved at least twice in unrelated invertebrates groups

User Heinst
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