__________ Sponges Have Incurrent Canals Formed by Infoldings of the Body

Question

__________ sponges have incurrent canals formed by infoldings of the body wall.
A)Sclerosponge
B)Sycon
C)Leucon
D)Calcisponge
E)Ascon

Accepted Answer

Sycon sponges have incurrent canals formed by infoldings of the body wall, while the other options have different types of canal systems.