| A | B |
|---|
| Pollution | Any harmful substance |
| Bioassay | Linked to a 50% mortality among test organisms |
| Bioremediation | Uses bacteria and fungi to break down break down oil in spills |
| DDT | A pesticide banned in 1971 |
| Minamata disease | Mercury poisoning |
| Non-point source pollution | Poison runoff |
| Plastic | Major source of marine pollution |
| Biomagnification | Pollutants move up the food chain |
| NPS | Stormwater runoff, for example |
| Point source pollution | Sewage treatment plant, for example |
| Sediments | The greatest pollutant by volume |
| Nutrients | Substances that cause plants and animals to grow |
| Toxic substances | Pesticides, motor oil and roadway salt for example |
| Pathogens | Disease causing microorganisms present in animal and human waste |
| Algae bloom | Too much nitrogen and phosphous enter a waterway |
