Answer: Option B,C, D and E.
Explanation:
Phylum cnidaria are group of animal species found mostly in aquatic habitats and most of they live in marine habitat. They have cnidocytes, specialized cells used for capturing prey which contain nematocysts organelles. They have mesoglea present between two layers of epithelium. They are radially symmetrical with tentacles surrounding their mouth. They have two body forms, the swimming Medusa and the sessile polyps.
Nematocysts is stinging organelles found in cnidaria and other animals for stinging their prey.
Sea anemone is a member if phylum echinodermata.
