Sea corals live exclusively in the ocean and are radially symmetrical. They have microscopic stinging barbs that shoot out to immobilize their prey. This allows corals to hunt even while they are stuck to the ocean floor.What animal phylum do corals belong in?

Corals belong to the phylum Cnidaria. Cnidarians are radially symmetrical aquatic animals with specialized stinging cells that help capture prey, matching the clues about corals’ stinging barbs and ocean habitat. Therefore, the correct choice is C, cnidarians.

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