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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. The dosage level of a toxin at which a negative effect occurs.
stationary sources
Horizon
La Nina
threshold dose
2. The act or process of transpiring - or releasing water vapor - especially through the stomata of plant tissue or the pores of the skin.
tree farms
keystone species
transpiration
underground mining
3. Poor nutrition that results from an insufficient or poorly balanced diet.
ecological succession
trophic level
malnutrition
population density
4. Calculating risk - or the degree of likelihood that a person will become ill upon exposure to a toxin or pathogen.
R horizon
keystone species
risk assessment
intercropping (also called strip cropping)
5. When mature trees are cut over a period of time (usually10 -20 years); this leaves mature trees - which can reseed the forest - in place.
Hubbert peak (peak oil)
shelter-wood cutting
sludge processor
noise pollution
6. The amount that the population would grow if there were unlimited resources in its environment.
inner core
trade winds
passive solar energy collection
biotic potential
7. A region of the ocean near the equator - characterized by calms - light winds - or squalls.
doldrums
overgrazed
k-selected
Infection
8. A tank filled with aerobic bacteria that's used to treat sewage.
anthracite
Superfund Program
sludge processor
total fertility rate
9. The amount of time it takes for half of a radioactive sample to disappear.
Half-life
Gross Primary Productivity
weather
peak oil (Hubbert peak)
10. Occurs when infection causes a change in the state of health.
disease
natural resources
sick building syndrome
anthracite
11. 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
underground mining
strip mining
ecological succession
12. The use of building materials - building placement - and design to passively collect solar energy that can be used to keep a building warm or cool.
passive solar energy collection
sand
ecosystem capital
abiotic
13. Any substance that has an LD50 - of 50 mg or less per kg of body weight.
secondary consumers
poison
carrying capacity
fossil fuel
14. When an area of vegetation is cut down and burned before being planted with crops.
slash-and-burn
k-selected
long lining
natural selection
15. The solids that remain after the secondary treatment of sewage.
sludge
omnivores
monoculture
low-level radioactive waste
16. The amount of the Earth's surface that's necessary to supply the needs of - and dispose of the waste from a particular population.
bioaccumulation
Southern Oscillation
dose-response analysis
ecological footprint
17. A platinum - coated device that oxidizes most of the VOCs and some of the CO that would otherwise be emitted in exhaust - converting them to CO2.
food web
prior appropriation
catalytic converter
surface fires
18. Living or derived from living things.
gray smog (industrial smog)
Superfund Program
biotic
climax community
19. Organisms in the first stages of succession.
pioneer species
wind farm
symbiotic relationships
humus
20. A place where a large quantity of a resource sits for a long period of time.
Aquaculture
reservoir
low-level radioactive waste
symbiotic relationships
21. Fires that typically burn only the forest's underbrush and do little damage to mature trees. Surface fires actually serve to protect the forest from more harmful fires by removing underbrush and dead materials that would burn quickly and at high temp
total fertility rate
surface fires
carrying capacity
evaporation
22. When physically treated sewage water is passed into a settling tank - where suspended solids settle out as sludge; chemically treated polymers may be added to help the suspended solids separate and settle out.
primary treatment
underground mining
Hadley cell
evaporation
23. When each family in a community grows crops for themselves and rely on animal and human labor to plant and harvest crops.
traditional subsistence agriculture
radiant energy
Waste-to-Energy (WTE) program
tertiary consumers
24. The movement of individuals into a population.
second growth forests
physical (mechanical) weathering
dose-response curve
Immigration
25. Is equal to the number of deaths per 1 -000 members of the population in a year.
death rate (crude death rate)
industrial smog (gray smog)
mantle
energy pyramid
26. The more or less constant winds blowing in horizontal directions over the Earth's surface - as part of Hadley cells.
secondary treatment
R horizon
competitive exclusion
trade winds
27. The process by which specialized bacteria (mostly anaerobic bacteria) convert ammonia to NOy NO2 - and N2 and release it back to the atmosphere.
Hubbert peak (peak oil)
denitrification
niche
bioaccumulation
28. An organism that must obtain food energy from secondary sources - for example - by eating plant or animal matter.
bottom trawling
consumer
edge effect
active collection
29. 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.
physical treatmen
nitrification
abiotic
preservation
30. A symbiotic relationship in which one member is helped by the association and the other is harmed.
death rate (crude death rate)
parasitism
terracing
keystone species
31. The management or regulation of a resource so that its use does not exceed the capacity of the resource to regenerate itself.
Infection
biological weathering
dose-response analysis
conservation
32. Smog resulting from emissions from industry and other sources of gases produced by the burning of fossil fuels.
industrial smog (gray smog)
tree farms
biomagnifications
deforestation
33. The number of children a couple must have in order to replace themselves in a population.
replacement birth rate
reservoir
deforestation
tropical storm
34. 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.
lignite
aquifer
tailings
keystone species
35. Organisms that are capable of interbreeding with one another and incapable of breeding with other species.
salinization
species
Coriolis effect
slash-and-burn
36. A layer in a large body of water - such as a lake - that sharply separates regions differing in temperature - so that the temperature gradient across the layer is abrupt.
kinetic energy
thermocline
Coriolis effect
traditional subsistence agriculture
37. The observed effect of the Coriolis force - especially the deflection of an object moving above the Earth - rightward in the Northern Hemisphere - and leftward in the Southern Hemisphere.
point source pollution
Coriolis effect
tailings
demographic transition model
38. An organism that is capable of converting radiant energy or chemical energy into carbohydrates.
physical treatmen
Second Law of Thermodynamics
shelter-wood cutting
producer
39. The day-to-day use of environmental resources as food - clothing - and housing.
consumption
ecological succession
photochemical smog
solid waste
40. A severe tropical cyclone originating in the equatorial regions of the Atlantic Ocean or Caribbean Sea or eastern regions of the Pacific Ocean - traveling north - northwest - or northeast from its point of origin - and usually involving heavy rains.
transform boundary
A layer
photovoltaic cell (PV cell)
hurricane (typhoon - cyclone)
41. An opening in the Earth's crust through which molten lava - ash - and gases are ejected.
convection currents
barrels
Superfund Program
volcanoes
42. A waste product produced by the burning of coal.
fly ash
upwelling
stationary sources
drip irrigation
43. A fishing technique in which the ocean floor is literally scraped by heavy nets that smash everything in their path.
overgrazed
bottom trawling
disease
physical (mechanical) weathering
44. In fishing - the use of long lines that have baited hooks and will be taken by numerous aquatic organisms.
subbituminous
humus
long lining
selective cutting
45. Ozone that exists in the trophosphere.
alkaline
carrying capacity
non-point source pollution
tropospheric ozone
46. Organisms that consume secondary consumers or other tertiary consumers.
tertiary consumers
underground mining
assimilation
photosynthesis
47. The process of soil particles being carried away by wind or water. Erosion moves the smaller particles first and hence degrades the soil to a coarser - sandier - stonier texture.
Hadley cell
drip irrigation
erosion
land degradation
48. The layer of the Earth between the crust and the core.
mantle
thermosphere
ecosystem capital
alkaline
49. When grass is consumed by animals at a faster rate than it can regrow.
U.S. Noise Control Act
overgrazed
sludge
Headwaters
50. Any waste that poses a danger to human health; it must be dealt with in a different way from other types of waste.
autotroph
hazardous waste
erosion
sludge processor