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

Fact 2: Scallops, oysters and clams are bivalves.

Given the two facts above, answer the question "what feeds on plankton and nonliving organic matter?" with the following options: 
- sharks
 - density
 - clams
 - spiders
 - gills
 - seaweed
 - animals
 - fungi


 

   clams      