Question

Problem 8

Answer 1

Background and context

• The members of phylum Cnidaria exist in two basic body forms : free swimming medusae and sessile polyps.
• Polymorphic cnidarians possess more than one form with different functions in the same species.
• Cnidaria is divided into four classes based on type of body form , habitat and other features. These include Anthozoa , Scyphozoa , Cubozoa and Hydrozoa.