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.
You will be redirected in
3 sec