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2 Nov 2021
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.
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