Biological Magnification

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Biological Magnification:

• Increasing concentration of a substance (toxin) in organisms in higher levels of the food chain.

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What conditions are necessary for biological magnification to occur?

Substance must be:

• Able to be absorbed into food chain

• Not easily broken down by environment

• Difficult for organisms to break down or digest

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Overview Video:

http://www.youtube.com/watch?v=E5P-UoKLxlA

Activity now …

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