Radial symmetry is NOT found in adults of phylum .
- Hemichordata
- Coelenterata
- Echinodermata
- Ctenophora
Answer
(1) Hemichordata
Solution
Coelenterata and Ctenophora are radially symmetrical.
Adult echinoderms are radially symmetrical (their larvae are bilaterally symmetrical).
Hemichordates are bilaterally symmetrical, so radial symmetry is not found in them.
Answer: (1)