Following possess bilateral symmetry as larva and radial symmetry as adult:
Correct answer: C. Echinodermata
- A. Chordata
- B. Hydra
- C. Echinodermata
- D. Hemichordata
Explanation
Echinoderms have bilaterally symmetrical larvae but develop radial, usually pentaradial, symmetry as adults. Students may choose Hydra because it is radially symmetrical, but Hydra remains radial and does not show the bilateral-larva to radial-adult transition.
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