SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Refers to when farmers plant seeds without using a plow to turn the soil.
traditional subsistence agriculture
no-till
bottom trawling
r-selected
2. 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
barrier island
niche
Infection
3. Creating flat platforms in the hillside that provide a level planting surface - which reduces soil runoff from the slope.
terracing
thermocline
acid precipitation
crop rotation
4. The point at which 50 percent of the test organisms show a negative effect from a toxin.
net Primary Productivity (NPP)
ED50
divergent boundary
heat islands
5. When soil becomes water-logged and then dries out - and salt forms a layer on its surface.
physical (mechanical) weathering
doldrums
detritivore
land degradation
6. Air currents caused by the vertical movement of air due to atmospheric heating and cooling.
risk management
convection currents
tertiary consumers
topsoil
7. A soil horizon - horizon C is made up of larger pieces of rock that have not undergone much weathering.
secondary treatment
emigration
scrubbers
C layer
8. Transition in species composition of a biological community - often following ecological disturbance of the community; the establishment of a biological community in any area virtually barren of life.
ecological succession
surface fires
secondary pollutants
age-structure pyramids
9. The carrier organism through which pathogens can attack.
vector
logistic population growth
food web
secondary treatment
10. Soil with particles 0.002 -0.05 mm in diameter.
rain shadow
dose-response analysis
silt
fault
11. 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.
biosphere
sludge
total fertility rate
O layer
12. The conversion of atmospheric nitrogen into compounds - such as ammonia - by natural agencies or various industrial processes.
topsoil
C layer
nitrogen fixation
Aquaculture
13. Smog resulting from emissions from industry and other sources of gases produced by the burning of fossil fuels.
inner core
deep well injection
industrial smog (gray smog)
agroforestry
14. The raising of fish and other aquatic species in captivity for harvest.
Aquaculture
drip irrigation
overburden
dose-response analysis
15. The management or regulation of a resource so that its use does not exceed the capacity of the resource to regenerate itself.
conservation
wetlands
weather
chemotroph (chemoautotroph)
16. Land that's fit to be cultivated.
active collection
poison
arable
clear-cutting
17. The maintenance of a species or ecosystem in order to ensure their perpetuation - with no concern as to their potential monetary value
detritivore
preservation
biological weathering
silt
18. Urban areas that heat up more quickly and retain heat more than do nonurban areas.
alkaline
heat islands
Green Revolution
slash-and-burn
19. A program funded by the federal government and a trust that's funded by taxes on chemicals; identifies pollutants and cleans up hazardous waste sites.
physical treatmen
El Nino
net Primary Productivity (NPP)
Superfund Program
20. The number of children a couple must have in order to replace themselves in a population.
replacement birth rate
LD50
active collection
tertiary consumers
21. Radioactive wastes that produce low levels of ionizing radiation.
silviculture
low-level radioactive waste
natural resources
anthracite
22. When companies are allowed to buy permits that allow them a certain amount of discharge of substances into certain environmental outlets. If they can reduce their amount of discharge - they are allowed to sell the remaining portion of their permit to
water-stressed
volcanoes
market permits
El Nino
23. A group of modern windmills.
La Nina
wind farm
crude oil
solid waste
24. Also known as plantations - these are planted and managed tracts of trees of the same age that are harvested for commercial use.
tree farms
emigration
total fertility rate
producer
25. 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.
nitrification
Coriolis effect
keystone species
contour farming
26. Piles of gangue - which is the waste material that results from mining.
delta
surface fires
overburden
tailings
27. Says that energy can neither be created nor destroyed; it can only be transferred and transformed.
driftnets
evaporation
First Law of Thermodynamics
birth rate (crude birth rate)
28. The bedrock - which lies below all of the other layers of soil - is referred to as the R horizon.
R horizon
secondary consumers
transpiration
prior appropriation
29. The capacity to do work.
habitat fragmentation
long lining
gray smog (industrial smog)
energy
30. When photochemical smog - NOx compounds - VOCs - and ozone combine to form smog with a brownish hue.
Infection
La Nina
natural selection
photochemical smog
31. A method of supplying irrigation water through tubes that literally drip water onto the soil at the base of each plant.
drip irrigation
rain shadow
mantle
r-selected
32. 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.
B layer
consumption
food chain
albedo
33. A usually triangular alluvial deposit at the mouth of a river.
lignite
tailings
delta
acid
34. The least pure coal.
energy
lignite
Horizon
A layer
35. A system of vertical and horizontal air circulation predominating in tropical and subtropical regions and creating major weather patterns.
Hadley cell
crude oil
Second Law of Thermodynamics
consumer
36. Involves the removal of the Earth's surface all the way down to the level of the mineral seam.
abiotic
O layer
hazardous waste
strip mining
37. Gave the EPA power to set emission standards for major sources of noise - including transportation - machinery - and construction.
Headwaters
subbituminous
green tax
U.S. Noise Control Act
38. 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
delta
primary pollutants
composting
39. One that has never been cut; these forests have not been seriously disturbed for several hundred years.
traditional subsistence agriculture
peak oil (Hubbert peak)
greenbelt
old growth forest
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.
hurricane (typhoon - cyclone)
evaporation
Immigration
global warming
41. When mature trees are cut over a period of time (usually10 -20 years); this leaves mature trees - which can reseed the forest - in place.
barrels
shelter-wood cutting
watershed
transpiration
42. Any other species of fish - mammals - or birds that are caught that are not the target organism.
primary treatment
renewable resources
water-scarce
by-catch
43. 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.
trophic level
tropospheric ozone
contour farming
photosynthesis
44. The outer part of the Earth - consisting of the crust and upper mantle - approximately 100 km (62 miles) thick.
El Nino
preservation
lithosphere
aquifer
45. When the signs and symptoms of an illness can be attributed to a specific infectious organism that resides in the building.
scrubbers
building-related illness
predation
Aquaculture
46. When a species occupies a smaller niche than it would in the absence of competition.
habitat fragmentation
Waste-to-Energy (WTE) program
realized niche
combustion
47. The number of individuals of a population that inhabit a certain unit of land or water area.
overburden
mineral deposit
population density
k-selected
48. The process in which plants absorb ammonium (NH3) - ammonia ions (NH4+) - and nitrate ions (NO3) through their roots.
salinization
deforestation
fault
assimilation
49. A place where a large quantity of a resource sits for a long period of time.
no-till
deep well injection
net Primary Productivity (NPP)
reservoir
50. Graphical representations of populations' ages.
lignite
age-structure pyramids
solid waste
transpiration