it lives in the sea
their spiny skin
Echinoderm is the scientific name for spiny-skinned animals. Spiny-skinned animals include sea urchins, sand dollars, brittle stars, starfish, and sea cucumbers.
no
Starfish
We can use them for decorations. Does that count? -dlw99
porcupine , sea urchin, hedgehog
A sea cucumber is a soft-bodied animal, not a spiny-skinned animal.
A spiny skinned invertebrate is called a sand dollar. That is because they are are echinoderms (a type of invertebrate),
Spiny skinned animals or Echinoderms (echino=spiny derma=skin) belong to the 9th Phyla of the kingdom animalia-Echinodermata.These animals have fairly developed bodies and have an organ level of organisation, that is, they have organs.Some common examples of these are-Sea Urchin (Echinus)Sea cucumbers (Holothuria)Feather Stars (Antedon)Star fishes (Asteria)
Hedgehog or porcupine
Phylum Echinodermata: "Echino"=spiny "derm"=skin Have an Endoskeleton Use pincerlike appendages for protection and cleaning Adults- Radial symmetry/Larvae-Bilateral symmetry Simple nervous system
spiny skinsthey regeneratethey have tube feet to move around