novanet: an endoskeleton you cheaters get back to work
endoskeleton
A starfish is an echinoderm.
sphinxes
No. A spider is an arachnid. A starfish is an example of an echinoderm.
Echinoderm is an invertebrate and therfore it has no backbone
Yes sand dollar is an echinoderm.
an echinoderm is an organism with no spine
femur
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 .
you can find info about sea stars at http://www.enchantedlearning.com/subjects/invertebrates/echinoderm/Seastarprintout.shtml