The members of which class of the phylum Cnidaria occur only as polyps?
A)Hydrozoa
B)Scyphozoa
C)Anthozoa
D)Cubozoa
E)both B and D

Name: The members of which class of the phylum Cnidaria occur only as polyps? A)Hydrozoa B)Scyphozoa C)Anthozoa D)Cubozoa E)both B and D
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Question

Quizplus · Accepted Answer

Anthozoa is the only class of phylum Cnidaria in which all members occur only as polyps, without a medusa stage. The other classes (Hydrozoa, Scyphozoa, and Cubozoa) all have a medusa stage at some point in their life cycle.

The Members of Which Class of the Phylum Cnidaria Occur