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Test your basic knowledge |
AP Environmental Science
Start Test
Study First
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. Any substance that has an LD50 - of 50 mg or less per kg of body weight.
selective cutting
edge effect
poison
petroleum
2. Any weathering that's caused by the activities of living organisms.
delta
biological weathering
long lining
nuclear fusion
3. Any process that breaks rock down into smaller pieces without changing the chemistry of the rock; typically wind and water.
watershed
active collection
physical (mechanical) weathering
deforestation
4. The cultivation of a single crop on a farm or in a region or country; a single - homogeneous culture without diversity or dissension.
potential energy
weather
symbiotic relationships
monoculture
5. A soil horizon; B receives the minerals and organic materials that are leached out of the A horizon.
fault
alkaline
Waste-to-Energy (WTE) program
B layer
6. The part of the wide lower course of a river where its current is met by the tides.
estuary
biological weathering
realized niche
physical treatmen
7. The liquid that percolates to the bottom of a landfill.
bottom trawling
leachate
convection currents
bioaccumulation
8. Radioactive wastes that produce high levels of ionizing radiation.
scrubbers
Superfund Program
high-level radioactive waste
evolution
9. Land that's fit to be cultivated.
primary pollutants
trade winds
Southern Oscillation
arable
10. The dosage level of a toxin at which a negative effect occurs.
threshold dose
tailings
albedo
consumption
11. The number of children an average woman will bear during her lifetime; this information is based on an analysis of data from preceding years in the population in question.
traditional subsistence agriculture
underground mining
total fertility rate
malnutrition
12. The development and introduction of new varieties of (mainly) wheat and rice that has increased yields per acre dramatically in countries since the 1960s.
A layer
Green Revolution
indigenous species
Hubbert peak (peak oil)
13. The more or less constant winds blowing in horizontal directions over the Earth's surface - as part of Hadley cells.
sludge processor
fault
trade winds
topsoil
14. In fishing - the use of long lines that have baited hooks and will be taken by numerous aquatic organisms.
long lining
omnivores
risk management
nitrogen fixation
15. A specific location from which pollution is released; an example of a point source location is a factory where wood is being burned.
tropospheric ozone
point source pollution
bottom trawling
B layer
16. The number of individuals of a population that inhabit a certain unit of land or water area.
passive solar energy collection
agroforestry
death rate (crude death rate)
population density
17. 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.
renewable resources
alkaline
detritivore
noise pollution
18. The number of live births per 1 -000 members of the population in a year.
low-level radioactive waste
primary consumers
ED50
birth rate (crude birth rate)
19. When ecological succession begins in a virtually lifeless area - such as the area behind a moving glacier.
proven reserve
gray smog (industrial smog)
primary succession
bioaccumulation
20. A lowland area - such as a marsh or swamp - that is saturated with moisture - especially when regarded as the natural habitat of wildlife.
wetlands
selective cutting
mantle
abiotic
21. The process by which specialized bacteria (mostly anaerobic bacteria) convert ammonia to NOy NO2 - and N2 and release it back to the atmosphere.
physical treatmen
Southern Oscillation
denitrification
Aquaculture
22. The low-rainfall region that exists on the leeward (downwind) side of a mountain range. This rain shadow is the result of the mountain range's causing precipitation on the windward side.
rain shadow
Half-life
solid waste
biosphere
23. Biotic and abiotic natural ecosystems.
natural resources
Waste-to-Energy (WTE) program
nonrenewable resources
arable
24. The process that occurs when two different species in a region compete and the better adapted species wins.
secondary treatment
competitive exclusion
physical treatmen
evolution
25. An organism that obtains organic food molecules without eating other organisms or substances derived from other organisms. autotrophs use energy from the sun or from the oxidation of inorganic substances to make organic molecules from inorganic ones.
autotroph
subduction zone
consumer
clay
26. A bloom of dinoflagellates that causes reddish discoloration of coastal ocean waters. Certain dinoflagellates of the genus Gonyamfox produce toxins that kill fish and contaminate shellfish.
replacement birth rate
silt
biotic
red tide
27. When water rights are given to those who have historically used the water in a certain area.
assimilation
prior appropriation
evaporation
U.S. Noise Control Act
28. The third purest form of coal.
water-stressed
subbituminous
petroleum
nonrenewable resources
29. The degree to which a substance is biologically harmful.
consumer
albedo
ecological footprint
toxicity
30. Any compound that releases hydrogen ions when dissolved in water. Also - a water solution that contains a surplus of hydrogen ions.
fault
dose-response curve
greenhouse effect
acid
31. The A layer of soil is often referred to as topsoil and is most important for plant growth.
topsoil
conservation
fishery
decomposer
32. The atmospheric pressure conditions corresponding to the periodic warming of El Nino and cooling of La Nina.
trade winds
Southern Oscillation
extinction
acid
33. 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.
La Nina
secondary treatment
primary consumers
decomposer
34. Pollutants that are released directly into the lower atmosphere.
ecological footprint
primary pollutants
genetic drift
conservation
35. Devices containing alkaline substances that precipitate out much of the sulfur dioxide from industrial plants.
transform boundary
physical (mechanical) weathering
scrubbers
respiration
36. A stable - mature community in a successive series that has reached equilibrium after having evolved through stages and adapted to its environment.
barrels
climax community
habitat
secondary consumers
37. Soil with particles 0.002 -0.05 mm in diameter.
energy
silt
LD50
thermosphere
38. A long - relatively narrow island running parallel to the mainland-built up by the action of waves and currents and serving to protect the coast from erosion by surf and tidal surges.
barrier island
mutualism
k-selected
coral reef
39. A group of modern windmills.
selective cutting
wind farm
energy pyramid
physical treatmen
40. The accumulation of a substance - such as a toxic chemical - in various tissues of a living organism.
parasitism
bioaccumulation
catalytic converter
extinction
41. The process of fusing two nuclei.
greenhouse effect
volcanoes
trade winds
nuclear fusion
42. Is the practice of planting bands of different crops across a hillside.
intercropping (also called strip cropping)
sludge processor
wetlands
toxin
43. Bacteria or fungi that absorb nutrients from nonliving organic matter like plant material - the wastes of living organisms - and corpses. They convert these materials into inorganic forms.
salinization
decomposer
riparian right
point source pollution
44. A region of the ocean near the equator - characterized by calms - light winds - or squalls.
doldrums
sludge
keystone species
water-stressed
45. The practice of alternating the crops grown on a piece of land - for example - corn one year - legumes for two years - and then back to corn.
crop rotation
hydroelectric power
upwelling
death rate (crude death rate)
46. 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
realized niche
transform boundary
acid precipitation
47. Change in the genetic composition of a population during successive generations as a result of natural selection acting on the genetic variation among individuals and resulting in the development of new species.
evolution
assimilation
primary treatment
physical treatmen
48. The right - as to fishing or to the use of a riverbed - of one who owns riparian land (the land adjacent to a river or stream).
combustion
low-level radioactive waste
peak oil (Hubbert peak)
riparian right
49. The structure obtained if we organize the amount of energy contained in producers and consumers in an ecosystem by kilocalories per square meter - from largest to smallest.
reservoir
petroleum
energy pyramid
mantle
50. The management of forest plantations for the purpose of harvesting timber.
dose-response curve
extinction
agroforestry
silviculture