Question

Which Class of Phylum Cnidaria Lacks a Medusa Stage?

Answer 1

1. Cnidarians exhibit polymorphism and have two body forms which are polyp and medusa.
2. Medusa is an umbrella-shaped and free-swimming form.
3. The class Anthozoa lacks a medusa stage.
4. They only show poly forms, e.g. sea anemone.
5. They have Radial symmetry.