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20 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Disease |
Environmental or internal process that harms the organism Non industrialized societies = more susceptible to infectious diseases (cholera, dysentery, maleria) Industrialized societies prone to chronic disease (cancer, gradual accumulation of pollutants) |
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Pollution |
Something unwanted in the environment (air, water, soil, noise, and thermal pollution) |
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Contamination |
Large volume of unwanted materials in environment that interfere with vital functions |
DDT and bird eggs |
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Toxin |
Contaminant that's harmful to people and other living things |
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Carcinogens |
Chemical toxin that increases risk of cancer |
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Synergism |
2 factors that's effect is greater than the sum of both Ex: sulfur dioxide and damage to lungs |
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Point source |
Discrete area of pollutants |
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Area source |
Wide area of pollutants |
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Soil pollutants |
Measured in ppm or ppb 1pm = 0.0001% 1ppb = 0.0000001% |
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Water pollutants |
Measured in milligrams per liter = 1pm Micrograms per liter = 1ppb |
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Air pollutants |
Measured in micrograms per cubic meter |
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Bacteria |
Transmitted through air, water, and soil Ex: inhalation of anthrax Cholera in drinking water Anthrax in soil |
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Eukaryotic parasites |
Transmitted in water Ex: cryptosporidium in Milwaukee because of sewage dumped in Lake Michigan |
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Viruses |
Transmitted through air, water, and soil Influenza transmitted by water droplets in air Common cold spread in water or moisture from handshake |
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Prions (infectious proteins) |
Transmitted through contaminated food Ex: mad cow disease giving humans CJD |
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Bacterial diseases |
Air conditioning spreads Legionairre's disease Salmonella spread by contaminated food Lyme disease spread by a tick bite Anthrax spread by sealed envelops |
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Eukaryotic diseases |
Giardiasis spread person to person contact Malaria spread by mosquito bite Cryptosporidiosis spread by contaminated water |
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Viral disease |
Ebola spread by blood contact of infected person |
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Lead |
Heavy metal pollutant in human bodies. Higher concentration than other metals |
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Biomagnification or bioaccumulation |
Increases concentration of heavy metals at higher levels in the food chain |
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