A) starfish and sea anemone
B) Ctenoplana and Beroe
C) Aurelia and Paramecium
D) Hydra and starfish
Correct Answer: B
Solution :
Ctenoplana and Beroe lack cnidoblasts and have biradial symmetry. These belong to phylum Ctenophora. Hydra, sea anemone, Aurelia are coelenterates which have cnidoblasts. Although sea anemone has biradial symmetry.You need to login to perform this action.
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