Please answer the following question: Answer the following question given this paragraph: Cnidarians are invertebrates such as jellyfish and corals. They belong to the phylum Cnidaria. All cnidarians are aquatic. Most of them live in the ocean. Cnidarians are a little more complex than sponges. They have radial symmetry and tissues. There are more than 10,000 cnidarian species. They are very diverse, as shown in Figure below . Q: Where do most cnidarians live? Choices: - grass - hills - rocks - ocean A:
Answer:
ocean