Which scenario can lead to an unintentional introduction of a nonnative species into an aquatic ecosystem?
A.) a different type of fish is used to replace an overfished fish species
B.) a pet eel is release into a lake when a family moves away
C.) fish from another state is released into a river for food
D.) a new species of bacteria is introduced by a boating family into a lake
E.) a species of seaweed is added to a waterfront to feed fish
