1. Class Hydrozoa Water animals 2. • The Hydrozoa include solitary or colonialcnidarians, which have a noncellularmesoglea, lack tentacles within thegastrovascular cavity,…
Slide 1 Slide 2 35-2 Cnidaria and Ctenophora 2 phyla of radially symmetrical invertebrates. More complex than sponges *have tissues and some simple…