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. The conversion of atmospheric nitrogen into compounds - such as ammonia - by natural agencies or various industrial processes.
El Nino
red tide
global warming
nitrogen fixation
2. The development and introduction of new varieties of (mainly) wheat and rice that has increased yields per acre dramatically in countries since the 1960s.
Green Revolution
assimilation
carrying capacity
agroforestry
3. The use of devices - such as solar panels - to collect - focus - transport - or store solar energy.
indigenous species
active collection
acid precipitation
monoculture
4. Gave the EPA power to set emission standards for major sources of noise - including transportation - machinery - and construction.
primary treatment
U.S. Noise Control Act
secondary consumers
carnivore
5. A model that's used to predict population trends based on the birth and death rates as well as economic status of a population.
transpiration
demographic transition model
peak oil (Hubbert peak)
malnutrition
6. The process that occurs when two different species in a region compete and the better adapted species wins.
competitive exclusion
building-related illness
subbituminous
threshold dose
7. An animal that only consumes other animals.
disease
reservoir
carnivore
silt
8. Radioactive wastes that produce high levels of ionizing radiation.
high-level radioactive waste
natural selection
Horizon
habitat fragmentation
9. Land that's fit to be cultivated.
fossil fuel
arable
convection
subduction zone
10. Open or forested areas built at the outer edge of a city.
chemotroph (chemoautotroph)
nuclear fusion
water-scarce
greenbelt
11. A layer of soil.
leachate
atmosphere
primary treatment
Horizon
12. 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.
surface fires
risk assessment
industrial smog (gray smog)
total fertility rate
13. Biotic and abiotic natural ecosystems.
natural resources
Horizon
silviculture
radiant energy
14. 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.
fission
intercropping (also called strip cropping)
secondary consumers
food chain
15. A soil horizon - horizon C is made up of larger pieces of rock that have not undergone much weathering.
C layer
silviculture
solid waste
Hubbert peak (peak oil)
16. The second-purest form of coal.
bituminous
Second Law of Thermodynamics
evolution
predation
17. A soil horizon; B receives the minerals and organic materials that are leached out of the A horizon.
fission
biotic potential
water-stressed
B layer
18. The process by which - according to Darwin's theory of evolution - only the organisms best adapted to their environment tend to survive and transmit their genetic characteristics in increasing numbers to succeeding generations - while those less adap
petroleum
natural selection
ecological succession
lignite
19. The point at which 50 percent of the test organisms die from a toxin.
subduction zone
preservation
Immigration
LD50
20. Creating flat platforms in the hillside that provide a level planting surface - which reduces soil runoff from the slope.
total fertility rate
terracing
inner core
invasive species
21. Countries that have a renewable annual water supply of about 1 -000 -2 -000 m3 per person.
clay
emigration
water-stressed
erosion
22. Organisms that reproduce later in life - produce fewer offspring - and devote significant time and energy to the nurturing of their offspring.
surface fires
overburden
k-selected
respiration
23. 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.
Hubbert peak (peak oil)
genetic drift
erosion
preservation
24. Pollutants that are released directly into the lower atmosphere.
upwelling
primary pollutants
biotic
hydroelectric power
25. Power generated using water.
law of conservation of matter
food web
hydroelectric power
peak oil (Hubbert peak)
26. Acid rain - acid hail - acid snow; all of which occur as a result of pollution in the atmosphere.
wetlands
abiotic
alkaline
acid precipitation
27. Any substance than is inhaled - ingested - or absorbed at dosages sufficient to damage a living organism.
biological weathering
bioaccumulation
humus
toxin
28. An organism that is capable of converting radiant energy or chemical energy into carbohydrates.
net Primary Productivity (NPP)
alkaline
autotroph
producer
29. The process in which soil bacteria convert ammonium (NH4+) to a form that can be used by plants; nitrate - or NO3.
indigenous species
deep well injection
niche
nitrification
30. 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.
photosynthesis
terracing
Hubbert peak (peak oil)
La Nina
31. The result of graphing a dose-response analysis.
C layer
land degradation
chemotroph (chemoautotroph)
dose-response curve
32. The rocks and Earth that is removed when mining for a commercially valuable mineral resource.
physical treatmen
Half-life
anthracite
overburden
33. In fishing - the use of long lines that have baited hooks and will be taken by numerous aquatic organisms.
age-structure pyramids
contour farming
total fertility rate
long lining
34. Nets that are dragged through the water and indiscriminately catch everything in their path.
driftnets
hurricane (typhoon - cyclone)
food web
assimilation
35. When the size of an organism's natural habitat is reduced - or when development occurs that isolates a habitat.
primary pollutants
respiration
mantle
habitat fragmentation
36. The process by which the concentration of toxic substances increases in each successive link in the food chain.
tailings
biomagnifications
land degradation
drip irrigation
37. Organisms that reproduce early in life and often and have a high capacity for reproductive growth.
r-selected
acid precipitation
earthquake
upwelling
38. A waste product produced by the burning of coal.
fission
parasitism
long lining
fly ash
39. The amount of time it takes for half of a radioactive sample to disappear.
contour farming
silt
detritivore
Half-life
40. When photochemical smog - NOx compounds - VOCs - and ozone combine to form smog with a brownish hue.
photochemical smog
vector
crop rotation
climax community
41. Areas where cutting has occurred and a new - younger forest has arisen.
noise pollution
monoculture
poison
second growth forests
42. Occurs when infection causes a change in the state of health.
active collection
mantle
clear-cutting
disease
43. When a species occupies a smaller niche than it would in the absence of competition.
fossil fuel
nitrogen fixation
upwelling
realized niche
44. The maintenance of a species or ecosystem in order to ensure their perpetuation - with no concern as to their potential monetary value
preservation
toxicity
leachate
acute effect
45. A group of organisms of the same species that live in the same area.
loamy
asthenosphere
population
volcanoes
46. The liquid that percolates to the bottom of a landfill.
coral reef
leachate
dose-response analysis
convergent boundary
47. The raising of fish and other aquatic species in captivity for harvest.
biotic potential
biomagnifications
Aquaculture
sick building syndrome
48. In tectonic plates - the site at which an oceanic plate is sliding under a continental plate.
crop rotation
erosion
Waste-to-Energy (WTE) program
subduction zone
49. The amount of the Earth's surface that's necessary to supply the needs of - and dispose of the waste from a particular population.
habitat
stationary sources
fly ash
ecological footprint
50. A nuclear reaction in which an atomic nucleus - especially a heavy nucleus such as an isotope of uranium - splits into fragments - usually two fragments of comparable mass - releasing from 100 million to several hundred million electron volts of ener
photosynthesis
overburden
fission
wastewater