They Belong to the class asteroidea
A sea star has an exoskeleton, not a back bone. Which makes it an invertebrate.
I think its Sea Star because starfish aren't actually fish
Kingdom: Animalia Phylum: Echinodermata Subphylum: Asterozoa Class: Asteroidea
Kingdom: Animalia Phylum: Echinodermata Subphylum: Asterozoa Class: Asteroidea
The Blue Sea Star -- Kingdom: Animalia Phylum: Echinodermata Class: Asteroidea Order: Valvatida Family: Ophidiasteridae Genus: Linckia Species: L. laevigata
A sea star is called a sea star simply because of where it lives (the sea) and what it looks like (a star), simple!
http://animaldiversity.ummz.umich.edu/site/accounts/classification/Echinodermata.html#Echinodermatai think its asteroidea
Star fish belong to the Phylum Enchindodermata Latin for "Spiny Skin". A phylum is the classification right under Kingdom. Star fish belong to the class Asteroidea which is Latin for "Starlike."
no, a sea star is a vertebrate!
the sunflower sea star
the answer is star of the sea!! the answer is star of the sea!!
The correct term is a Sea Star. The sea star bearing [up to] nine arms is called a "fragile star" and is also a close relative to the "sunflower star".