Correct! The answer is TRUE. (#10. Freshwater mussels are useful to humans.) The meat of mussels is considered to be excellent by many people and the shells are used for decorations and for the process of culturing pearls. Mussels are also valuable as filter feeders in the aquatic ecosystem. As such, they concentrate pollutants and are good indicators of the presence of heavy metals or other contaminates in Nebraska's waters. |