Mercury concentrations were measured in freshwater shrimp populations in two different ponds, one polluted with mercury and one unpolluted, with a similar food web in each pond. Which of the following best identifies the scientific question that would guide this investigation?
A) How do different species of shrimp excrete mercury from their bodies?
B) How does the food web in a pond affect biomagnification of toxins?
C) How much mercury accumulates in the tissues of freshwater shrimp living in a polluted pond?
D) How much mercury is found in the tissues of shrimp predators in an unpolluted pond?
C) How much mercury accumulates in the tissues of freshwater shrimp living in a polluted pond?