Question

What is the madreporite used for in a starfish

Answer 1

Answer:

The madreporite /ˌmædrɪˈpɔːraɪt/ is a light colored calcareous opening used to filter water into the water vascular system of echinoderms. ... The water vascular system of the sea star consists of a series of seawater-filled ducts that function in locomotion and feeding and respiration.