The Order in Which a Drop of Ink Would Pass

Multiple Choice

The order in which a drop of ink would pass by the structures in an ascon sponge is

A) spongocoel-ostia-osculum.
B) osculum-spongocoel-ostia.
C) osculum-ostia-spongocoel.
D) ostia-spongocoel-osculum.
E) ostia-osculum-spongocoel.The pathway for water moving through the simplest sponge body form is ostia-spongocoel-osculum.In sycon sponges incurrent and radial canals are present.In leucon sponges the spongocoel is often absent.