Freshwater native mussels are a keystone species. They keep the harmful bacteria and algae populations from exploding in addition to improving water quality through filtering. A different species of mussels has invaded this river ecosystem. Reviewing the graph above, how has the presence of the invasive mussels affected the population of native mussels?

responses

O Due to intraspecific competition, the population of native mussels has decreased.

O Due to interspecific competition, the population of native mussels has decreased.

O Due to interspecific competition, the population of native mussels has increased.

O Due to intraspecific competition, the population of native mussels has increased.

The correct response is:

Due to interspecific competition, the population of native mussels has decreased.