Bivalves feed on plankton and nonliving organic matter.
Clams and oysters are examples of bivalves.
Clams and oysters feed on plankton.
What do clams and oysters eat?

(a) Energy.
(b) Plankton
(c) Energy
(d) Oysters
(e) glucose
(f) Clams
(g) Fish
(h) barnacles