According to This Figure, Which Organisms Have the Highest Concentration

question 20

Multiple Choice

According to this figure, which organisms have the highest concentration of PCBs, and why?

• A)phytoplankton, because they are at the bottom of the food chain
• B)herring gulls, because they are at the bottom of the food chain
• C)herring gulls, because they are at the top of the food chain
• D)smelt, because they are in the middle of the food chain

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Definitions:

Leading Cause

The primary factor or condition that is most commonly associated with a particular outcome, such as a disease or social issue.

Death

The cessation of all biological functions that sustain a living organism; often discussed in the context of philosophy, religion, and medicine.

Canada

a country in North America known for its vast landscapes, multicultural population, and as the second-largest country by area worldwide.

Life Expectancy

The average period that a person is expected to live, which varies across populations and is influenced by factors such as genetics, lifestyle, and the environment.