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Test your basic knowledge |
AP Environmental Science
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Subjects
:
science
,
ap
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A basic substance; chemically - a substance that absorbs hydrogen ions or releases hydroxyl ions; in reference to natural water - a measure of the base content of the water.
birth rate (crude birth rate)
secondary treatment
alkaline
Hadley cell
2. The outermost shell of the atmosphere - between the mesosphere and outer space - where temperatures increase steadily with altitude.
aquifer
Aquaculture
monoculture
thermosphere
3. The dosage level of a toxin at which a negative effect occurs.
threshold dose
birth rate (crude birth rate)
mutualism
climax community
4. The removal of select trees in an area; this leaves the majority of the habitat in place and has less of an impact on the ecosystem.
selective cutting
crop rotation
bottom trawling
overburden
5. Smog resulting from emissions from industry and other sources of gases produced by the burning of fossil fuels - especially coal.
catalytic converter
gray smog (industrial smog)
prior appropriation
ozone holes
6. Radioactive wastes that produce low levels of ionizing radiation.
topsoil
wind farm
low-level radioactive waste
species
7. Each of the feeding levels in a food chain.
tertiary consumers
trophic level
Superfund Program
food web
8. A cooling of the ocean surface off the western coast of South America - occurring periodically every 4 to 12 years and affecting Pacific and other weather patterns.
edge effect
La Nina
riparian right
niche
9. An introduced - normative species.
earthquake
LD50
invasive species
ozone holes
10. A model that's used to predict population trends based on the birth and death rates as well as economic status of a population.
demographic transition model
silviculture
primary succession
delta
11. Pollutants that are formed by the combination of primary pollutants in the atmosphere.
realized niche
mantle
traditional subsistence agriculture
secondary pollutants
12. Devices containing alkaline substances that precipitate out much of the sulfur dioxide from industrial plants.
volcanoes
asthenosphere
scrubbers
delta
13. In a sewage treatment plant - the initial filtration that is done to remove debris such as stones - sticks - rags - toys - and other objects that were flushed down the toilet.
crop rotation
physical treatmen
estuary
ED50
14. Poor nutrition that results from an insufficient or poorly balanced diet.
pathogens
hurricane (typhoon - cyclone)
malnutrition
energy pyramid
15. The removal of trees for agricultural purposes or purposes of exportation.
global warming
k-selected
deforestation
U.S. Noise Control Act
16. When water rights are given to those who have historically used the water in a certain area.
prior appropriation
secondary pollutants
population density
silt
17. The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and water using light as an energy source. Most forms of photosynthesis release oxygen as a byproduct.
competitive exclusion
photosynthesis
replacement birth rate
weather
18. Radioactive wastes that produce high levels of ionizing radiation.
Coriolis effect
strip mining
high-level radioactive waste
logistic population growth
19. Any waste that poses a danger to human health; it must be dealt with in a different way from other types of waste.
ED50
hazardous waste
crude oil
Waste-to-Energy (WTE) program
20. When the size of an organism's natural habitat is reduced - or when development occurs that isolates a habitat.
crop rotation
wind farm
habitat fragmentation
LD50
21. When photochemical smog - NOx compounds - VOCs - and ozone combine to form smog with a brownish hue.
silt
k-selected
monoculture
photochemical smog
22. An underground layer of porous rock - sand - or other material that allows the movement of water between layers of nonporous rock or clay. Aquifers are frequently tapped for wells.
aquifer
water-stressed
predation
second growth forests
23. When an area of vegetation is cut down and burned before being planted with crops.
slash-and-burn
secondary pollutants
crude oil
trophic level
24. Soil composed of a mixture of sand - clay - silt - and organic matter.
ecosystem capital
peak oil (Hubbert peak)
loamy
biosphere
25. The uppermost horizon of soil. It is primarily made up of organic material - including waste from organisms - the bodies of decomposing organisms - and live organisms.
vector
composting
deep well injection
O layer
26. Organisms that reproduce later in life - produce fewer offspring - and devote significant time and energy to the nurturing of their offspring.
detritivore
erosion
k-selected
transpiration
27. When a species occupies a smaller niche than it would in the absence of competition.
Green Revolution
wind farm
drip irrigation
realized niche
28. In tectonic plates - the site at which an oceanic plate is sliding under a continental plate.
tree farms
keystone species
consumption
subduction zone
29. Any weathering that's caused by the activities of living organisms.
biological weathering
drip irrigation
pathogens
tree farms
30. To convert or change into a vapor.
evaporation
food chain
biotic
toxin
31. A complex of interrelated food chains in an ecological community.
water-stressed
food web
renewable resources
edge effect
32. A tank filled with aerobic bacteria that's used to treat sewage.
r-selected
U.S. Noise Control Act
sludge processor
law of conservation of matter
33. A succession of organisms in an ecological community that constitutes a continuation of food energy from one organism to another as each consumes a lower member and - in turn - is preyed upon by a higher member.
abiotic
low-level radioactive waste
food chain
erosion
34. The degree to which a substance is biologically harmful.
loamy
stationary sources
toxicity
net Primary Productivity (NPP)
35. The random fluctuations in the frequency of the appearance of a gene in a small isolated population - presumably owing to chance - rather than natural selection.
potential energy
greenhouse effect
genetic drift
omnivores
36. A species whose very presence contributes to an ecosystem's diversity and whose extinction would consequently lead to the extinction of other forms of life.
asthenosphere
U.S. Noise Control Act
closed-loop recycling
keystone species
37. A layer of soil.
nitrification
arable
low-level radioactive waste
Horizon
38. The maximum population size that can be supported by the available resources in a region.
r-selected
extinction
carrying capacity
hurricane (typhoon - cyclone)
39. A soil horizon - horizon C is made up of larger pieces of rock that have not undergone much weathering.
C layer
poison
green tax
Infection
40. A process in which rows of crops are plowed across the hillside; this prevents the erosion that can occur when rows are cut up and down on a slope. ...
photochemical smog
contour farming
convergent boundary
earthquake
41. Being extinct or the process of becoming extinct.
A layer
extinction
energy pyramid
Infection
42. An effect that results from long -term exposure to low levels of toxin.
malnutrition
no-till
chronic effect
Gross Primary Productivity
43. The phenomenon whereby the Earth's atmosphere traps solar radiation - caused by the presence in the atmosphere of gases such as carbon dioxide - water vapor - and methane that allow incoming sunlight to pass through - but absorb heat radiated back fr
green tax
convection currents
greenhouse effect
conservation
44. The amount of sugar that the plants produce in photosynthesis and subtracting from it the amount of energy the plants need for growth maintenance - repair - and reproduction.
high-level radioactive waste
secondary pollutants
Gross Primary Productivity
erosion
45. The total sum of a species' use of the biotic and abiotic resources in its environment.
second growth forests
heat islands
contour farming
niche
46. The atmospheric pressure conditions corresponding to the periodic warming of El Nino and cooling of La Nina.
scrubbers
Southern Oscillation
petroleum
Uneven-aged management
47. Open or forested areas built at the outer edge of a city.
high-level radioactive waste
global warming
Half-life
greenbelt
48. Pollution that does not have a specific point of release - open -loop recycling -when materials are reused to form new products.
non-point source pollution
net Primary Productivity (NPP)
U.S. Noise Control Act
greenhouse effect
49. The biological treatment of wastewater in order to continue to remove biodegradable waste.
preservation
secondary treatment
natural selection
ecological succession
50. A fiscal policy that lowers taxes on income - including wages and profit - and raises taxes on consumption - particularly the unsustainable consumption of non-renewable resources.
capture fisheries
decomposer
green tax
consumption
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