Are Coelenterates and cnidarians the same?
Are Coelenterates and cnidarians the same?
cnidarian, also called coelenterate, any member of the phylum Cnidaria (Coelenterata), a group made up of more than 9,000 living species. Mostly marine animals, the cnidarians include the corals, hydras, jellyfish, Portuguese men-of-war, sea anemones, sea pens, sea whips, and sea fans.
What does Coelenterata mean in Latin?
hollow-intestined
C19: from New Latin Coelenterata, hollow-intestined (creatures); see coel-, enteron.
Why Coelenterates are called cnidarians?
Coelenterates are called Cnidarians because they contain specialized cells called cnidoblasts. They possess stinging structures called nematocysts.
Is Hydra a Coelenterate?
Hydras belong to the phylum Coelenterata (also called Cnidaria), which includes corals, sea anemones, and jellyfish. Coelenterates are primarily marine animals, but hydras are found in freshwater ponds, lakes, and streams.
What are Coelenterates mention some examples?
Coelenterata is a term encompassing the animal phyla Cnidaria (coral animals, true jellies, sea anemones, sea pens, and their relatives) and Ctenophora (comb jellies). Some examples are corals, which are typically colonial, and hydrae, jellyfish, and sea anemones, which are solitary.
What are three examples of Coelenterates?
Coelenterates (Phylum Coelenterata or Cnidaria) include jellyfish, anemones, corals, and hydras. The phylum is characterized by a gelatinous body, tentacles, and stinging cells called nemadocysts. Most species are found in marine waters, but some occur in brackish or even fresh water.
What is the meaning of coelenterate?
Definition of coelenterate. : any of a phylum (Cnidaria synonym Coelenterata) of radially symmetrical invertebrate animals including the corals, sea anemones, jellyfishes, and hydroids.
Is a sea anemone a cnidarian?
: cnidarian Like corals and jellyfish, sea anemones are coelenterates, a name that sacrifices poetry for scientific precision; it means that they have a hollow gut. — Richard Conniff “Coelenterate.”
What is the meaning of cnidarians?
: any of a phylum (Cnidaria synonym Coelenterata) of radially symmetrical invertebrate animals including the corals, sea anemones, jellyfishes, and hydroids. — called also cnidarian.
