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Biological Magnification

The Food Chain

What is Biological Magnification?


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DDT in the Food Chain

Life at the Top of a Food Chain

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The Food Chain

Every living thing or organism on this planet is part of a food chain. A food chain is the natural order of how plants and animals get food. For instance, in our garden, we might observe a fly caught in a spider's web. The spider will eat this fly and a bird might eat the spider. A cat might hunt and eat the bird. This is an example of a food chain. The natural order of how these organisms get food is from fly to spider to bird to cat. Some food chains are simple and some are longer and more complicated. An important fact about food chains is that they are one way toxins or poisons can be spread from one living thing to another. Learn more about food chains.