or Abiotic?
Why is biodiversity important to ecosystems?
A. It helps populations adapt to ecological changes
B. It allows animals to feed permanently from one type of plant
C. It increases at each level of the food chain
It reduces the number of insects in a given ecosystem
What is it helps populations adapt to ecological changes?
The automobile’s contribution to air pollution includes
A. Water vapor released during combustion
B. Fumes that escape when the gas tank is filled
C. Nitrogen oxides emitted in exhaust
D. Both (b) and ©
What is Both (b) and ©?
The major human causes of extinction today are
A. Hunting and destroying habitats
B.Polluting and introducing non-native species
C. Both (a) and (b)
D.Neither (a) nor (b)
What is both (a) and (b)?
A true statement about aquifers is that
A. Their water levels remain stable because they recharge so rapidly
B. They are hard to purify because the water collects in sand and rocks
C. They are formed by underground rivers and leakage from deep lakes
D.Their water does not circulate in the water cycle because it cannot evaporate under the ground
What is they are hard to purify because the water collects in sand and rocks?
Which of the following would not be illegal under the Endangered Species Act?
A. Capturing a wild animal listed as a threatened species for exhibition in a zoo, provided the animal is well cared for
B. Digging up an endangered plant in a public park and selling it
C.Destroying the habitat of an endangered plant during the building of a federal highway
D. Having a permit to capture and conduct research with endangered species
What is having a permit to capture and conduct research with endangered species?
The fact that organisms are adapted to survive in particular environments helps to explain why
A. Captive-breeding programs are often ineffective
B. Non-native plant species never flourish in new areas
C. Habitat destruction accounts for most extinctions
D. Compromise is impossible on environmental issues
What is habitat destruction accounts for most extinctions ?
Acid precipitation can be traced back to
A. The use of electrostatic precipitators
B. The burning of fossil fuels
C. Thermal inversions
D. The release of particulate matter into the atmosphere
What is the burning of fossil fuels?
When neighborhood residents noticed a large number of dead fish in a local creek, they traced the problem to a nearby gas station. It turned out that a tank of gasoline had developed a leak. This is an example
A.Point-source pollution
B.Thermal pollution
C. Thermal pollution
D. Groundwater pollution
What is point-source pollution?
A common feature of thermal pollution and artificial eutrophication is that they both
A. Have sources that are difficult to identify and control
B. Cause large mats of algae to bloom in fresh water
C. Are a result of power plants and other industrial activity
D. Decrease the amount of oxygen dissolved in water
What is decrease the amount of oxygen dissolved in water?
An endangered species is
A. A species in danger of extinction
B. A species growing on public land
C. An organism brought to a place where it has not lived before
D. A species that has disappeared entirely
What is a species in danger of extinction?
Which of the following would be most effective in slowing the loss of biodiversity?
A. Freezing fertilized eggs of endangered animals in case the species become extinct in the wild
B. Setting aside small plots of land in a variety of ecosystems, such as forests, grasslands, and marshes
C. Creating large parks/preserves in biodiversity hotspots
D. Requiring every country to maintain a seed bank
What is creating large parks/preserves in biodiversity hotspots
Which of the following activities is the largest producer of primary air pollutants in the United States?
A. Electricity production
B. Healthcare
C. Transportation
D. Agriculture
What is transporation?
Most of the pollutants in the ocean come from
A. Commercial boats and personal watercraft
B. Spills from oil tankers
C. Activities on land
D. Leaking underground storage facilities
What is activities on land?
Which of the following pH measurements of rainwater would indicate acid precipitation?
A .pH 6.0
B. pH 4.1
C. pH 7.3
D pH 9.6
What is an pH 4.1?
Latitude strongly influences climate because ______________ solar energy falls on areas that are closer to the equator than to the poles.
A. Less
B. The same amount of
C. More
D. Sometimes less
What is more?
Which of the following is a secondary pollutant?
A. Hydrocarbon emissions in car exhaust
B. Sulfur dioxide created when electrical power is generated
C. VOCs released by a dry cleaner
D.Smog formed in the presence of sunlight
What is smog formed in the presence of sunlight?
Which of the following represents nonpoint-source pollution?
A. Unlined landfill
B. Polluted wastewater from a chemical plant
C. Leaking oil tanker
D. Runoff from agricultural feedlots
What is runoff from agricultural feedlots?
A common feature of thermal pollution and artificial eutrophication is that they both
A. Have sources that are difficult to identify and control
B. Cause large mats of algae to bloom in fresh water
C. Are a result of power plants and other industrial activity
D. Decrease the amount of oxygen dissolved in water
What is decrease the amount of oxygen dissolved in water?
La Nina is the _________________ phase of the El Nino-Southern Oscillation (ENSO) cycle.
A. Warm
B. Cold
C. Neutral
D. Mixing
What is cold?
DAILY DOUBLE!
Which type of building would most likely have poor indoor air quality?
A. One in a cool climate with a good ventilation system
B. One in an urban area where windows are often open
C. One that is tightly sealed and air-conditioned
D. One that has not been repainted or recarpeted in several years
The effects of water pollution on ecosystems
A. Are always immediate and highly lethal
B. Result mostly from point-source pollution sources
C. Can magnify over time within food chains
D. Can be demonstrated by natural eutrophication
What is can magnify over time within food chains?
What is the relationship between groundwater and surface water?
A. Surface water percolates through the soil to form groundwater
B. There is no relationship between surface and groundwater; they form independently
C. Groundwater filters through the soil to form surface water
D.Surface water is found in lakes directly above underground water sources
What is surface water percolates through the soil to form groundwater?