Yes
Yes they are - they have an internal skeleton.
The phylum Echinodermata has an internal calcareous skeleton made up of plates or ossicles. This skeleton provides support and protection for organisms in this phylum, such as sea stars and sea urchins.
describe the skeliton of the star fish
There are 5 main characteristics of a sea star: -spiny skin, -5 part radial symmerty -internal skeleton (endoskeleton) -a water-vasular system(breathing) -tube feet (suction-cuplike)
endoskeleton i believe
Yes because it has no internal skeleton or backbone.
Yes because it has no internal skeleton or backbone.
sea star
All mammals have an internal skeleton
Yes it is.
Internal Skeleton
internal skeleton