Bivalves feed on plankton and nonliving organic matter, and mussels are bivalve mollusks. Given these facts, what do mussels eat among the following options:
- bivalves
 - sub-units of species
 - Something coming from a gland
 - mussels
 - plankton and nonliving organic
 - Something made from fermented ricce
 - mollusks
 - Microscopic organisms


 

     plankton and nonliving organic    