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Unit C
definitions
Term | Definition |
---|---|
Phytoremediation | Plants getting rid of pollutants. Some absorbed and accumulate unusually large amounts. |
Photolysis | The breakdown of pollutants using lights. |
Biomagnification | The concentration of a pollutant getting bigger as it goes up the food chain |
Dispersion | The spreading out of a pollutant. |
Dilution | Decreasing the concentration of the pollutant by adding something else. |
Inorganic Compounds | compounds that do not contain carbon |
LD50 | Amount of substance that causes 50% of test animals to die if they are given a specified dose of the substance. |
Leachate | Liquid that dissolves and carries substances as it passes through soil. |
Nitrogen Fixation | Process of changing free nitrogen so that the nitrogen atoms can combine with other atoms to form compounds that organisms can use. |
Substrate | Surface on which an organism lives or moves. |