Radial symmetry is not found in adults of phylum _______.
- ACtenophora
- BHemichordata
- CCoelenterata
- DEchinodermata
Solution & Step-by-step Explanation
1. Ctenophora, Coelenterata, and Echinodermata (adults) all exhibit radial symmetry.2. Hemichordata (along with Annelida, Arthropoda, and Chordata) exhibit bilateral symmetry, where the body can be divided into identical left and right halves in only one plane.