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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 finest soil - made up of particles that are less than 0.002 mm in diameter.
Half-life
First Law of Thermodynamics
clay
fly ash
2. A fishing technique in which the ocean floor is literally scraped by heavy nets that smash everything in their path.
bottom trawling
thermocline
disease
Aquaculture
3. The use of devices - such as solar panels - to collect - focus - transport - or store solar energy.
habitat
bituminous
nitrification
active collection
4. The point at which 50 percent of the test organisms die from a toxin.
population density
silt
LD50
First Law of Thermodynamics
5. Biotic and abiotic natural ecosystems.
convergent boundary
natural resources
radiant energy
wastewater
6. The molten core of the Earth.
plate boundaries
lithosphere
inner core
hurricane (typhoon - cyclone)
7. Being extinct or the process of becoming extinct.
convergent boundary
extinction
sand
global warming
8. The process in which animals (and plants!) breathe and give off carbon dioxide from cellular metabolism.
Second Law of Thermodynamics
respiration
producer
biosphere
9. A climate variation that takes place in the tropical Pacific about every three to seven years - for a duration of about one year.
Hubbert peak (peak oil)
El Nino
consumption
nuclear fusion
10. When each family in a community grows crops for themselves and rely on animal and human labor to plant and harvest crops.
chronic effect
convection
silviculture
traditional subsistence agriculture
11. The process by which specialized bacteria (mostly anaerobic bacteria) convert ammonia to NOy NO2 - and N2 and release it back to the atmosphere.
preservation
U.S. Noise Control Act
denitrification
salinization
12. The energy of motion.
C layer
doldrums
tropical storm
kinetic energy
13. Organisms in the first stages of succession.
pioneer species
realized niche
habitat fragmentation
acid
14. When the size of an organism's natural habitat is reduced - or when development occurs that isolates a habitat.
net Primary Productivity (NPP)
habitat fragmentation
atmosphere
crude oil
15. A process in which cold - often nutrient-rich - waters from the ocean depths rise to the surface.
Immigration
long lining
photochemical smog
upwelling
16. Ozone that exists in the trophosphere.
delta
ozone holes
tropospheric ozone
preservation
17. Any waste that poses a danger to human health; it must be dealt with in a different way from other types of waste.
B layer
hazardous waste
poison
watershed
18. A plate boundary where two plates are moving toward each other.
convergent boundary
autotroph
primary succession
deep well injection
19. The amount that the population would grow if there were unlimited resources in its environment.
water-scarce
biotic potential
sludge processor
chronic effect
20. The condition in which - at ecosystem boundaries - there is greater species diversity and biological density than there is in the heart of ecological communities.
edge effect
consumer
mantle
Immigration
21. Any substance that has an LD50 - of 50 mg or less per kg of body weight.
loamy
C layer
poison
silviculture
22. A complex of interrelated food chains in an ecological community.
food web
by-catch
Horizon
trade winds
23. 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).
riparian right
primary pollutants
traditional subsistence agriculture
evaporation
24. 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. ...
closed-loop recycling
shelter-wood cutting
acute effect
contour farming
25. The water from which a river rises; a source.
Headwaters
emigration
composting
ED50
26. Any noise that causes stress or has the potential to damage human health.
green tax
topsoil
tropospheric ozone
noise pollution
27. A group of organisms of the same species that live in the same area.
population
genetic drift
lithosphere
surface fires
28. The outer part of the Earth - consisting of the crust and upper mantle - approximately 100 km (62 miles) thick.
acute effect
greenhouse effect
lithosphere
petroleum
29. When grass is consumed by animals at a faster rate than it can regrow.
reservoir
carrying capacity
overgrazed
omnivores
30. Graphical representations of populations' ages.
age-structure pyramids
poison
fission
keystone species
31. Can consist of hazardous waste - industrial solid waste - or municipal waste. Many types of solid waste provide a threat to human health and the environment.
disease
solid waste
mineral deposit
ED50
32. The form petroleum takes when in the ground.
kinetic energy
Uneven-aged management
crude oil
overburden
33. The accumulation of a substance - such as a toxic chemical - in various tissues of a living organism.
bioaccumulation
erosion
high-level radioactive waste
kinetic energy
34. A soil horizon - horizon C is made up of larger pieces of rock that have not undergone much weathering.
Green Revolution
C layer
gray smog (industrial smog)
nonrenewable resources
35. Organisms that reproduce early in life and often and have a high capacity for reproductive growth.
sick building syndrome
total fertility rate
r-selected
risk management
36. A soil horizon; the layer below the O layer is called the A layer. The A layer is formed of weathered rock - with some organic material; often referred to as topsoil.
A layer
primary consumers
poison
surface fires
37. The carrier organism through which pathogens can attack.
vector
salinization
acid
gray smog (industrial smog)
38. The result of graphing a dose-response analysis.
second growth forests
secondary treatment
dose-response curve
symbiotic relationships
39. 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.
driftnets
humus
catalytic converter
O layer
40. 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.
low-level radioactive waste
red tide
chronic effect
keystone species
41. 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.
Green Revolution
greenbelt
aquifer
parasitism
42. The third purest form of coal.
fossil fuel
barrels
subbituminous
earthquake
43. When soil becomes water-logged and then dries out - and salt forms a layer on its surface.
peak oil (Hubbert peak)
agroforestry
delta
land degradation
44. An erosion-resistant marine ridge or mound consisting chiefly of compacted coral together with algal material and biochemically deposited magnesium and calcium carbonates.
U.S. Noise Control Act
fission
energy
coral reef
45. A stable - mature community in a successive series that has reached equilibrium after having evolved through stages and adapted to its environment.
chronic effect
climax community
atmosphere
ecological footprint
46. An influential theory that concerns the long-term rate of conventional oil (and other fossil fuel) extraction and depletion. It predicts that future world oil production will soon reach a peak and then rapidly decline.
Hubbert peak (peak oil)
global warming
fault
respiration
47. The removal of trees for agricultural purposes or purposes of exportation.
drip irrigation
physical (mechanical) weathering
deep well injection
deforestation
48. 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.
logistic population growth
inner core
decomposer
sick building syndrome
49. An effect that results from long -term exposure to low levels of toxin.
pioneer species
topsoil
evaporation
chronic effect
50. Piles of gangue - which is the waste material that results from mining.
tree farms
tailings
tropical storm
indigenous species