Question

Phylum that exhibit radial symmetry are:

• A. Coelenterates
• B. Echinoderms
• C. Ctenophores
• D. All of these

Answer 1

The correct option is A Coelenterates

Radial symmetry:

1. When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry.
   
2. An organism with the radial symmetry is expected to have multiple planes of symmetry.
   
3. Organisms belonging to the phylums Coelenterata, Echinodermata and Ctenophora exhibit radial symmetry.​