they use sucker like part to catch prey
there invertabrates
Radial symmtry
A starfish is an echinoderm.
All echinoderms have radial symmetry
Echinoderm is an invertebrate and therfore it has no backbone
Yes sand dollar is an echinoderm.
No. A spider is an arachnid. A starfish is an example of an echinoderm.
an echinoderm is an organism with no spine
A bird is NOT an echinoderm because they dont live in salt water
Because echinoderm means "spiny skin."
Yes , a starfish is an echinoderm . It belongs to class Asteroidea . It is marine .
no, a lobster is a crustacean, not an echinoderm