Brittle stars differ from sea stars by
A)lacking pedicellariae.
B)lacking papulae,intestine,or an anus.
C)having the ambulacral grooves closed and covered with arm ossicles.
D)having tube feet without suckers.
E)all of the choices are correct distinctions.

Question

Quizplus · Accepted Answer

Brittle stars lack pedicellariae, papulae, intestine or anus, and have closed ambulacral grooves covered with arm ossicles. They also have tube feet without suckers. Therefore, all the choices are correct distinctions between brittle stars and sea stars.

Brittle Stars Differ from Sea Stars by