Hydra and jellyfish belong to the phylum
A. Porifera
B. Echinodermata
C. Mollusca
D. Cnidaria
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Best answer
Answer: D. Cnidaria
Cnidarians have cnidoblasts (stinging cells) and tentacles.
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
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