What feeds on plankton and nonliving organic matter?\nOptions:\n- (A) bacteria\n- (B) barnacles\n- (C) animals\n- (D) sharks\n- (E) pythons\n- (F) graptolites\n- (G) molluscs\n- (H) bears
Let's think step by step below.
(G)
Bivalves feed on plankton and nonliving organic matter.

Bivalve molluscs are very common.

Molluscs feed on plankton and nonliving organic matter.

.

The final answer: (G)