APES AP exam vocab
Terms
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- Absorption
- to incorporate or take up
- Acute vs Chronic
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Acute is a short, one time exposureChronic is continuous, low-level exposure
- Algae
- Any of various chiefly aquatic, eukaryotic, photosynthetic organisms, ranging in size from single-celled forms to the giant kelp. Not classified as plants because they lack roots, stems, leaves,and embryos
- Ammonia
- A pungent colorless gaseous alkaline compound of nitrogen and hydrogen NH3 that is very water soluble and can be easily condensed to a liquid with low temperatures and pressure
- Bacteria
- Any of a group of prokaryotic unicellular, round, spiral, or rod-shaped single-celled microorganisms that are often aggregated into colonies or motile by means of flagella.
- Bhopal, India
- A noxious gas (methylisocyanate) blanketed the city when water had gotten into a tank containing 40 tons of MIC setting off a chemical reaction killing 1754 and injuring another 200,000
- Bioaccumulation
- The presence of a chemical substance in higher concentrations in an organism than in the direct environment or in its food.
- Carcinogenic
- Any cancer-causing substance
- Chlorine
- A halogen element that is isolated as a heavy greenish yellow gas of pungent odor and is used esp as a bleach oxidizing agesnt and water disinfectant
- Coliform Bacteria
- Bacteria that live in the intestines (including the colon) of humans and animals - used as a measure of the presences of feces in water or soil
- Concentration
- The amount of a component in a given area or volume
- Contaminants
- Anything that contaminates an experiment or presents a confounding variable
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DDTdichlorodiphenyltrichloroethane
- A colorless, odorless, water-insoluble, crystalline insecticide that tends to accumulate in ecosystems and has toxic effects on many vertebrates; caused illnesses and environmental problems and is now banned in the US
- Disinfection
- To free from infection by distruction of mircoorganisms
- Distillation
- Process of purifying a liquid by successive evaporation and condensation
- Dose Threshold Level
- Maximum level of a substance before toxic levels are reached
- Hazardous Chemicals
- Any kind of acid, irritants, etc. Many are hazardous in high concentrations but harmless when diluted
- Heavy Metals
- Mecury, lead, cadmium and nickel- highly toxic in very small quantities; can be fatal and bioaccumulate in environment
- Hwmoglobin
- The iron-containing respiratory pigment in red blood cells of vertebrates, consisting of about 6% heme and 94% globin