QUESTION IMAGE
Question
- which kind of symmetry is shown by an adult echinoderm?
radial
triradial
asymmetrical
bilateral
Brief Explanations
Adult echinoderms (e.g., starfish, sea urchins) exhibit symmetry where body parts are arranged around a central axis, matching the definition of radial symmetry. Larval echinoderms have bilateral symmetry, but adults develop radial symmetry.
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radial