Exam II Review- Key terms: Must to Know for the Exam
Chapter 9- Environmental health & toxicology - Health vs. disease
- Morbidity vs. mortality - Pathogens
- Hazardous vs. toxic - Allergens - Antigens - Neurotoxins - Mutagens - Teratogens - Carcinogens
- Bioaccumulation vs. biomagnification - LD50 of toxics
- Acute effects vs. chronic effects
Chapter 11- Food and Agriculture - Overnutrition vs. undernourishment - Famines
- Food security - Soil composition
- Land degradation: definition, causative factors - Soil erosion
- Soil salinization, soil waterlogging - Green revolution
- Genetic engineering, genetically modified organisms (GMOs)
Chapter 13- Biodiversity - Biodiversity types
o Genetic diversity o Species diversity o Ecological diversity
- Species definition, characterization - Biodiversity hotspots - Benefits of biodiversity - Extinction
o Normal background vs. man-made mass extinction o Causes of extinction
Habitat destruction, habitat fragmentation Exotic species Genetic pollution
- Endangered species vs. threatened species, vulnerable species
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Chapter 17- Air, weather and climate - Weather vs. climate
- Atmosphere: early & current gaseous composition - Atmospheric layers
o Troposphere, tropopause
o Stratosphere (Ozone layer), stratopause o Mesosphere o Thermosphere
- Greenhouse gases
- Greenhouse effect vs. Global warming - Aerosols
- Global warming: effects - Kyoto protocol
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