 
 <prompt> ```Clams, oysters, and mussels dey chop plankton wey dem filter from water. Wetin fit happun to clams, oysters, and mussels if the amount of plankton for inside one big body of water reduce well well?

OPTIONS: *Dem fit increase in number.; *Dem fit find new food source.; *Dem fit become prey to other animals.; *Dem fit compete for limited food source.;``` <response>: Dem go compete for limited food source. 