● Eutrophication: Excessive nutrients from agricultural practices increase plant life and aquatic systems.
● Thermal pollution: Natural waterways used to cool equipment
● Human impacts
○ Metals in drinking supply
○ Endocrine disruptors lead to birth defects
○ Bioaccumulation of toxins in food sources can cause problems in the reproductive, circulatory, and nervous systems.
● Sewage’s landfills keep toxins from watersheds
● Solid waste: Some countries dump waste into landfills or oceans
● Dose response curve: Doses of toxic agents on a group of test organisms; controlled experiment.
● Transmissible diseases: Infectious disease that can be transmitted from one person to another.
● Pathogens: Living organism that can cause disease in another organism
● Non transmissible diseases: Caused by something other than a living organism and does not spread from one person to another.