In a biomagnification situation, assume that a dangerous chemical, called "X"is present in the water of a small bay at a concentration of .00005 parts per million (ppm)

Also assume there are three layers of consumption between the water and a certain predatory bird that lives around the lake, and at each step of consumption, chemical X gets magnified 1000 times. What is the final concentration of chemical X in the predatory bird after eating 100 fish in a week?
a. At the end of one week, the bird will have 50 ppm of chemical X
b. At the end of one week, the bird will have 5 ppm of chemical X
c. At the end of one week, the bird will have 100 ppm of chemical X
d. At the end of one week, the bird will have 1,000 atoms of chemical X
e. At the end of one week, the bird will have 10 ppm of chemical X


B

Environmental & Atmospheric Sciences

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