What is the common name of the group whose members are characterized by exoskeletons and a unique water vascular system?

A.
brachiopods

B.
medusas

C.
echinoderms

D.
tunicates

Question

What is the common name of the group whose members are characterized by exoskeletons and a unique water vascular system? 	
	
 
A.
	brachiopods
	
 
B.
	medusas
	
 
C.
	echinoderms
	
 
D.
	tunicates

anonymous · Answer

I will medal and fan

anonymous · Answer

i believe it is echinoderms because that would include star fish which obviously have an exoskeleton for protection but they also have a pretty fancy water vascular system that is used for locomotion, feeding, respiration and excretion