Biradial symmetry and lack of cnidoblasts are the characteristics of

Starfish and sea anemone

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Ctenolana and Beroe

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Aurelia and Paramecium

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Hydra and starfish

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Solution

The correct option is C Ctenolana and Beroe
Biradial symmetry and lack of cnidoblasts are the characteristics of Ctenoplana and Beroe. They both belong to phylum- Ctenophora. They are called comb-bearers and comb-jellies. The external surface of the body bears eight median comb plates. They are biradial symmetrical animals. Cnidoblasts are absent in the ctenophores.

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