How many of the following are characteristics of at least some members of the phylum Cnidaria?

1. a gastrovascular cavity
2. a polyp stage
3. a medusa stage
4. cnidocytes
5. a pseudocoelom
A) 1
B) 2 and 3
C) 3, 4 and 5
D) 1, 2, 3, and 4
E) 1 and 2


Answer: D

Biology & Microbiology

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