Populations
List two side effects of increased dissolved CO2 in the ocean
decreased rate of skeletal growth in reef-building corals
excessive CO2 levels in the blood of fish
impaired developmental stages of invertebrates
Impaired devlelopmental stages of invertetbrates
International treaty that bans the capture, exportation, or sale of endangered and threatened species
What is CITES?
a condition in which a majority of a buildings occupants experience certain symptoms that vary with the amount of time spent in the building without being able to identify a specified cause or illness
Sick Building Syndrome
The degree to which a chemical substance or particular mixture of substances can damage an organism
What is TOXICITY
Coral reefs are ________________ of atmospheric carbon
Sources
taxes that aim to generate revenue to correct past pollution damage and reduce future pollution and provide an incentive to change behavior to practices more productive of the environment
maximum population size that can be supported by the available resources in a region
carrying capacity (K)
This phrase answers what law? "We can burn coal to produce electricity to operate a refrigerator."
What is First Law of Thermodynamics
lowland area, such as marshes or swamps, that are saturated with moisture, especially when regarded as the natural habitat of wildlife
what is a wetland?
Exposure level where dose is delivered in a single dose and absorption is rapid; usually occurs at high concentration over a short time period.
What is Acute Exposure
the coarest soil with particles 0.05-2.0 mm
What is SAND?
group of man-made chemicals that created a hole in the ozone; used in propellants, fire extinguishers and hairspray.
What are CFCs?
An area below a retreating glacier is an example of ___________________ succession.
Primary succession
This phrase answers what law? If we burn coal to produce electricity to operate a refrigerator, we loose a great deal of energy in the form of heat.
What is the Second Law of Thermodynamics
type of recycling in which materials such as plastic and aluminum are used to rebuild the same product
What is primary recycling?
How pollutants enter food chains and represents the increase in concentration of a pollutant from the environment to the first organism in a food chain
What is BIOACCUMULATION
the process by which specialized bacteria convert ammonia to NOx and N2 which are released back into the atmosphere
What is denitrification?
When the size of an organism's natural habitat is reduced, or when development occurs that isolates a habitat or part of one
What is habitat fragmentation?
Country with the highest human fertility rate?
What is Africa; Niger specifically
1973 U S Legislation that prohibited the commerce of those species considered to be endangered or threatened.
Endangered Species Act
1978 US legislation that provides for the coordination of federal research and activities into noise control and authorized use of the Federal Aviation Administration funds for the development of noise abatement plans around airports.
Quiet Communities Act
The tendency of pollutants to concentrate as they move from lower trophic levels to higher trophic levels, and describes the increase in concentration of a pollutant from one link in a food chain to the next.
What is biomagnification?
List all three SINKS for Carbon
Ocean, Soil, Forests
when non-native species are introduced to fill an ecological role that previously was performed by a native species now extinct
What is a taxon substitution?
state which occurs when insufficient calories are taken in to replace those being expended
What is hunger?
International agreement that addressed the problem of ozone depletion by mandating cutting the emissions of CFCs that damage the ozone layer
Montreal protocol
The gas contributing most to stratospheric ozone breakdown
Nitrous oxide (N2O)
List two causes of high phosphorus levels in water
partially treated and untreated sewage; runoff from agricaultural sites, and application of some lawn fertilizers.
the process in which plants absorb ammonium (NH3) ammonia ions (NH4) and nitrate ions (NO3) through their roots
Assimilation
the number of child deaths under 1 year old per 1000 live births
Equation for doubling time
dt = 70/r
U.S. Federal Law enacted in 1976 and governs the disposal of solid and hazardous waste
RCRA (Resource Conservation and Recovery Act)
a biome characterized by very low precipitation, permafrost, and herbaceous plants
What is tundra?
a process in which cold, often NUTRIENT rich waters from the ocean depths rise to the surface
upwelling
the uppermost and thus the most oxygenated layer of freshwater
What is epilmnion?
states that no two species can occupy the same niche at the same time, and that the species that is less fit to live in the environment will either relocate, die out or occupy a smaller niche
Gause's principle