What is the process called when cnidarians exist in both polyp and medusa forms?

Step-by-step solution

Cnidarians exhibit tissue level of organization and are diploblastic. Cnidoblasts, also known as cnidocytes, contain stinging capsules or nematocysts and are used for anchorage, defense, and prey capture in cnidarians. Cnidarians exhibit two basic body forms called polyp and medusa Cnidarians that exist in both polyp and medusa forms exhibit alternation of generation, where polyps produce medusae asexually and medusae form the polyps sexually. They have a central gastro-vascular cavity with a single opening, mouth