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Biological Magnification

The Food Chain

What is Biological Magnification?

Pesticides

How Harmful are Pesticides?

DDT in the Food Chain

Life at the Top of a Food Chain

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biological magnificationOur Health

Since human beings are also at the top of a food chain, we can be affected by biological magnification too. If we eat fish that come from contaminated waters, our bodies absorb the toxins. If too many toxins enter our bodies, it can lead to serious illnesses like cancer or birth defects. Some of the worst chemicals like DDT have been banned or made illegal to use in the United States. Scientists and lawmakers realized that these chemicals are too toxic to the environment and our health. DDT is one of the most famous toxic chemicals, but there are other pesticides and chemicals we don't know enough about that are still legal to use in the United States. Remember, just because something is legal to use doesn't mean

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