Coelenterata - Wikipedia Coelenterata is a term encompassing the animal phyla Cnidaria (corals, true jellies, sea anemones, sea pens, and their relatives) and Ctenophora (comb jellies) The name comes from Ancient Greek κοῖλος (koîlos) ' hollow ' and ἔντερον (énteron) ' intestine ', referring to the hollow body cavity common to these two phyla
Characteristics of Coelenterata - BYJUS Phylum Coelenterata is a group of aquatic, or marine organisms and a member of the Animal kingdom They are usually found attached to the rocks at the bottom of the sea These are the multicellular and simplest group of invertebrate animals, found in colonies or solitarily
Coelenterata: General Characters, Tissues and Corals | Metazoa Coelenterata or Cnidaria are radially symmetrical diploblastic animals with only epidermis and gastrodermis, between these two layers is a jelly-like mesogloea which is originally structure less but in higher forms, it becomes fibrous and has wandering amoebocytes
Phylum Coelenterata (Cnidaria) – Definition, Classification . . . Definition of Phylum Coelenterata (Cnidaria) The Coelenterata can be described as a diploblastic metazoa that has a the tissue grade having one nematocyst, and one gastrovascular cavity, or coelenteron
Phylum Coelenterata: Definition, Characteristics, Classification and . . . Phylum Coelenterata (Gr , koilos = hollow ; enteron = intestine), also known as Phylum Cnidaria, is a group of aquatic, mostly marine animals characterized by a simple body structure with a single opening serving as both mouth and anus Members of this phylum have a diploblastic body (two tissue layers: ectoderm and endoderm) and radial symmetry
Coelenterata - Encyclopedia. com an aquatic invertebrate animal of the phylum Cnidaria (formerly Coelenterata), which includes jellyfishes, corals, and sea anemones They are distinguished by having a tube- or cup-shaped body Also called cnidarian
Coelenterata - SpringerLink The phylum Coelenterata contains three classes: (1) The Hydrozoa are typically colonial with an alternation of generations in which the polyps (hydroid stage) give rise by asexual budding to free-living or sessile dioecious medusae that in turn reproduce sexually, producing a larval ciliated planula that eventually metamorphoses back into the