Sea urchin is a member of Echinoderm family
echinadermata
phylum: chordata
Echinodermata
Jellyfish, octopus, sea urchin
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.
A salt-water body. Like a SEA or ocean. It says in the name SEA urchin.
No, they are invertebrates (Echinoderms). Echinoderms have no backbones, like the Brittle Star and Sea Urchin.
Sea anemones, coral and jelly fish belong to the group of Cnidarians.
they have no backbone this is true to all invertebrates
Let me fix this answer. The sea urchin is in the echinodermata kingdom
Sea anemones:Kingdom: AnimaliaPhylum: CnidariaClass: AnthozoaOrder: ActiniariaFamily: CnidarianGenus: Actinia fragaceaSpecies: Sea anemone
The scientific name for the watermelon sea urchin is "Strongylocentrotus droebachiensis."
The classification of a Sea Urchin is Echinoidea
No, while crabs are indeed invertebrates thy have a carapace not a skin.
no!, they are completely different creatures. this is a seahorse http://images.google.com/images?hl=en&rls=com.microsoft%3A*%3AIE-SearchBox&um=1&sa=1&q=sea+horse&btnG=Search+Images this is a sea urchin http://images.google.com/images?hl=en&rls=com.microsoft%3A*%3AIE-SearchBox&um=1&sa=1&q=sea+urchin very very different creatures.