A) Hydra
B) Amelia
C) Physalia
D) Obelia
Correct Answer: B
Solution :
Aurelia (jelly fish) belongs to class-Scyphozoa, phylum-Coelenterata in which, medusoid phase is dominant, polypoid phase absent. Hydra, Obelia, Physalia are the members of class Hydrozoa in which, both medusoid and polypoid stages are present.You need to login to perform this action.
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