Which of the following are characteristics of the phylum Cnidaria?1. a gastrovascular cavity2. a polyp stage3. a medusa stage4. cnidocytes5. a pseudocoelom
1 and 4
2 and 3
2, 3, and 4
1, 2, 3, and 4
(D) 1, 2, 3, and 4
Explanation:
