In a Biomagnification Situation, Assume That a Dangerous Chemical, Called

question 82

Multiple Choice

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

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Definitions:

Phagocytic White Blood Cells

White blood cells that protect the body by ingesting harmful foreign particles, bacteria, and dead or dying cells.

Blood Vessels Dilate

The widening of blood vessels, which decreases blood pressure and allows for increased blood flow to different parts of the body.

Naturally Acquired Active Immunity

Immunity that develops after exposure to antigens from pathogens, resulting in the formation of antibodies and memory cells.

Immunization

The process by which an individual's immune system becomes fortified against an agent (known as the immunogen).