Want this question answered?
Yes.
No - sea urchins are part of the echinoderm phylum, with sand dollars, starfish and sea cucumbers.
It belongs to Echinoderms.
The scientific name for spiny-skinned animals, such as sea urchins and sea stars, is Echinodermata. This phylum includes marine organisms with a calcareous endoskeleton covered by spines or plates.
No, they are Echinoderms. They are not even true fish.
No, starfish, sea urchins, sand dollars, and their ilk are echinoderms (phylum echinodermata), a different phylum from arthropoda.
Spiny skinned animals, such as sea urchins and sea stars, belong to the phylum Echinodermata. These organisms are characterized by their calcareous skeletons and radial symmetry. Echinoderms are predominantly found in marine environments.
Sea cucumbers are part of Phylum Echinodermata along with starfish, sea urchins, sand dollars, crinoids and brittle stars..
Sponges are in the group(phylum) Porifera. The phylum echinodermata are the starfish, urchins sea cucumbers, and sea lilies..
Yes. Classes of mollusks which include clams, oysters, and other bivalves are sessile filter feeders.
Echinodermata Subphylum: Eleutherozoa Superclassis: Asterozoa Classes: Asteroidea - †Somasteroidea Subphylum: Eleutherozoa Superclassis: Cryptosyringida Classes: Echinoidea - Holothuroidea - Ophiuroidea Subphylum: †Homalozoa Classis: Stylophora Subphylum: Pelmatozoa Classes: †Blastoidea - Crinoidea
Sea stars are in the phylum Echinodermata and the subphylum Asterozoa.