Toxic Chemicals Introduced into the Environment Eventually Enter Food Chains

question 62

Essay

Toxic chemicals introduced into the environment eventually enter food chains and food webs. In 1972, DDT (a chemical used to control mosquitoes) was banned in the United States because of its deleterious effects on the food chain and web. The processes that proved DDT to be hazardous also have shown that other substances, like heavy metals, are harmful to food chains and webs. Explain why heavy metals can have such far-reaching effects. Your answer should include the terms bioaccumulation, persistence, and biological magnification.

Recognize the relationship between social inequality and educational outcomes.

Understand the impact of political and social contexts on scientific knowledge and education funding.

Identify the concepts of paradigm shifts and their significance in the history of science.

Analyze the interplay between science and religion from sociological perspectives.

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Definitions:

Linear Equations

Equations between two variables that give a straight line when plotted on a graph.

Linear Equations

Equations of the first degree, meaning they involve only first-degree variables (like x) and their coefficients, forming a straight line when graphed.

Interest Rates

The percentage at which interest is paid by borrowers for the use of money that they borrow from a lender.

Investments

The act of allocating resources, usually money, with the expectation of generating an income or profit.