They're named from there body symmetry
Radial symmetry
a digestive system with a single opening
The characteristic that gives cnidarians their name is: cnidarian means "nettle" and nettles are plants that release stinging barbs into the skin. All cnidarians have stinging cell's. Cnidarians have complex tissues, a gut for digesting food, and a nervous system.
A stinging cell, that all cnidarians have. It's called a nematocyte. It is the defining characteristic of the phylum.
small cnidarians and big cnidarians
The cnidarians are in the Kindom family
cnidarians have no nervous system
Yes, cnidarians are invertebrates.
Nope - Cnidarians are marine creatures !
cnidaria(similar to cnidarians)
Cnidarians reproduce asexually and sexually
There is none. Corals are cnidarians.