(i) Radial symmetrical (ii) Diploblastic (iii) The cellular level of organization (iv) Digestion is intracellular only (v) Exhibit two basic body forms called polyp and medusa. How many points are correct about Obelia ?

Step-by-step solution

Obelia belongs to Phylum – Coelenterata (Cnidaria). They have radial symmetry, tissue level of organization and are diploblastic and have metagenesis i.e., polyps produce medusa asexually and medusa from the polyps sexually. Digestion is both extracellular and intracellular.