Fact 1: Bivalves feed on plankton and nonliving organic matter.

Fact 2: Clams and oysters are examples of bivalves.

Given the two facts above, answer the question "What do clams and oysters eat?" with the following options: 
- Energy.
 - Plankton
 - Energy
 - Oysters
 - glucose
 - Clams
 - Fish
 - barnacles


 

  Plankton       