They are all carnivorous, using their tentacles and stinging cells to capture prey.
The name of this phylum of exclusively aquatic animals refers to their stinging cells. They have radial or biradial symmetry, no head, and only one body opening, the mouth. They are all carnivorous, using their tentacles and stinging cells to capture prey. FTP name the phylum that contains hydra and jellyfish.
The name of this phylum of exclusively aquatic animals refers to their stinging cells.
{Cnidaria} (pronounced with a silent c, do not accept Coelentrata.)