Question

which animal group includes corals?
cnidaria
mollusca
porifera

Explanation:

Cnidaria is a phylum of aquatic invertebrates that includes corals, jellyfish, and sea anemones. They are characterized by the presence of cnidocytes, specialized cells used for capturing prey and defense. Mollusca includes animals like snails, clams, and octopuses. Porifera are sponges.

Answer:

Cnidaria