The __________ Serves as an Inlet into the Water Vascular

Question

The __________ serves as an inlet into the water vascular system.
A)Tiedemann's body
B)Polian vesicle
C)radial canal
D)madreporite
E)ring canal

Accepted Answer

The madreporite is a sieve plate that serves as the entrance or inlet into the water vascular system in echinoderms. It allows sea water to enter and exit the system while also regulating the pressure within it.