This is straight from www.thefreedictionary.com, so I get no credit at all:
"Any of various invertebrate animals of the phylum Cnidaria, characterized by a radially symmetrical body with a saclike internal cavity, and including the jellyfishes, hydras, sea anemones, and corals. Also called coelenterate."
Cnidarians have a radial symmetry.
Cnidarians and Sponges are invertebrates
No. Cnidarians don't even have a circulatory system.
The nervous system. Cnidarians have a neural net, but porifera do not.
cnidarians
small cnidarians and big cnidarians
cnidarians have no nervous system
Yes, cnidarians are invertebrates.
The cnidarians are in the Kindom family
Cnidarians have a radial symmetry.
Nope - Cnidarians are marine creatures !
cnidaria(similar to cnidarians)
Cnidarians reproduce asexually and sexually
They provide a habitat for Cnidarians
There is none. Corals are cnidarians.
Cnidarians live in water.
Cnidarians and Sponges are invertebrates