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Their phylum is Echinodermata, but that also includes starfish and sea cucumbers. The class is named Echinoidea. Hope this helps!
Sponges are in the group(phylum) Porifera. The phylum echinodermata are the starfish, urchins sea cucumbers, and sea lilies..
Phylum Echinodermata, which includes starfish, sea urchins, sea cucumbers, sand dollars. It is used to operate the tube feet for locomotion.
No - sea urchins are part of the echinoderm phylum, with sand dollars, starfish and sea cucumbers.
Yes.
Sea stars also known as starfish, are in the class Asteroidea. They belong to the phylum Echinodermata. Also in this phylum are sea urchins, sand dollars and sea cucumbers.
Organisms in the phylum Echinodermata include sea stars, sea urchins, sand dollars, and sea cucumbers. These marine animals are characterized by their radial symmetry, spiny skin, and a water vascular system used for movement and feeding.
Yes. Classes of mollusks which include clams, oysters, and other bivalves are sessile filter feeders.
The sea star is often percieved as a starfish, but is is not a fish at all. It is part of a group called echinoderms. This group also includes sea cucumbers and sea urchins. They all have tube feet, they're invertabraes, they have a skeleton under their skin and they have no head.
Includes: Sea Stars, Sea Lillies, Sea Urchins, Sea Cucumbers, Brittle Stars
Sand dolar is a simple animal. It is an invertebrate.
That depends, obviously, on the species of Sea Urchin. All belong to the Phylum Echinodermata (along with sea stars and sea cucumbers) and to the Class Echinoidea. They are then divided into different orders, genera and species. That depends, obviously, on the species of Sea Urchin. All belong to the Phylum Echinodermata (along with sea stars and sea cucumbers) and to the Class Echinoidea. They are then divided into different orders, genera and species.