Fact 1: Bivalves feed on plankton and nonliving organic matter. Fact 2: Bivalve molluscs are very common. Given the two facts above, what feeds on plankton and nonliving organic matter?
Pick your answer from:
(a). bacteria.
(b). barnacles.
(c). animals.
(d). sharks.
(e). pythons.
(f). graptolites.
(g). molluscs.
(h). bears.
(g).