In phylum echinodermata, the adult echinoderms are ____A____ but larvae are ____B____.
- AA - radially symmetrical; B - bilaterally symmetrical
- BA - bilaterally symmetrical; B - radially symmetrical
- CA - bilaterally symmetrical; B - asymmetrical
- DA - metamerically segmented; B - asymmetrical
✓ Correct answer: A
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