E
Steps of the scientific method
Observation, question, hypothesis, experiment, data collection, analysis, conclusion, peer review
What is a theory?
A well-backed idea
What is the most common cause of biodiversity loss?
Habitat loss
What factors affect species richness on islands?
Island size and distance from the mainland
What is sustainability?
Meeting present needs, without affecting the future
What is a testable prediction?
Hypothesis
What uses the most freshwater globally?
Agriculture
Name the Secondary Pollutants
Ozone and Photochemical Smog
What is environmental justice?
A concept where all people are treated equally in environmental decision making
What is the waste hierarchy?
1. Reduce
2. Reuse
3. Recycle
4. Landfill/Incineration
Describe a scietific law
A natural pattern of something
Nonpoint pollution vs. Point pollution
Nonpoint isn't specific; Point is specific
Ex. Runoff vs. Single pipe
What is eutrophication?
Buildup of nutrients, causes algae blooms and loss of oxygen
What are the main types of renewable energy?
Solar, wind, hydropower, and biomass
What are the stages of demographic transition?
1. Preindustrial
2. Transitional
3. Industrial
4. Post-industrial
Where is the ozone layer located?
The Stratosphere
Where is the most famous dead zone?
The Gulf of Mexico
What is the role of disinfection in water treatment?
It kills pathogens with chlorine or UV light
What are the primary pollutants?
NOx, SO₂, CO, VOCs, PM 2.5 & 10.
Name the soil horizons
Subsoil, Topsoil, Organic Matter, Parental Material
Describe the 10% rule
Energy is lost at each trophic level, only 10% is transfered into the next level
What is ocean acidification?
The process where CO2 dissolves in water and lowers the pH balance; harms marine life
What is nitrogen fixation?
The process of converting nitrogen to ammonia by bacteria
What is the carbon cycle?
CO2 is removed by photosynthesis, and added to the air by fossil fuels, deforestation, and respiration
What is the relationship between GDP and Emissions?
U.S. GDP increasing; Emissions per capita and GDP decreasing