fish
No an octopus is a mollusk, just like squids, clams, and oysters. Echinoderms are sea stars, sea urchins, sea cucumbers, sea lilies, sand dollars, basket stars, brittle stars, and feather stars.
Includes: Sea Stars, Sea Lillies, Sea Urchins, Sea Cucumbers, Brittle Stars
Yes, sea stars are able to move the spines in order to protect themselves as armor.
sea stars have NO brains
sea stars are flexible. sea stars do not have any bones. so they are very flexible:)
Sea stars are not fish so no, it is not.
Sea stars, brittle stars, sea urchins, and sea cucumbers.
Yes. Sea stars are carnivores that eat can eat other sea stars and shrimp and other crustations like crabs. Over a long period of time sea stars move across the ocean floor. Giant sea stars will sometimes specifically prey on other, smaller sea stars. they eat poop
Sea Stars reproduce both asexually and sexually.
sea stars eat clams and oysters
sea stars prey are clams,oysters and mollusks
There are actually four major classes of echinoderms. These are Crinoidea, Asteroidea, Ophiuroidea, Eichionidea, Holothuroidea, and Concentricyloidea. The animals in these range from sea lilies to sea urchins.