Question

what are colenterates with two characteristic?

Answer 1

Coelenterata is an obsolete term encompassing the animal phyla Cnidaria(coral animals, true jellies, sea anemones, sea pens, and their allies) and Ctenophora (comb jellies). The name comes from the Greek"koilos" ("hollow") and "enteron" ("intestine"), referring to the hollow body cavity common to these two phyla.[1][2] They have very simple tissue organization, with only two layers of cells (external and internal), and radial