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Test your basic knowledge |
AP Environmental Science
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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.
intercropping (also called strip cropping)
risk management
clay
convection
2. An organism that must obtain food energy from secondary sources - for example - by eating plant or animal matter.
tertiary consumers
consumer
invasive species
nuclear fusion
3. The bedrock - which lies below all of the other layers of soil - is referred to as the R horizon.
tailings
evolution
consumer
R horizon
4. The least pure coal.
closed-loop recycling
volcanoes
lignite
habitat fragmentation
5. A method of supplying irrigation water through tubes that literally drip water onto the soil at the base of each plant.
assimilation
gray smog (industrial smog)
drip irrigation
pioneer species
6. A species whose very presence contributes to an ecosystem's diversity and whose extinction would consequently lead to the extinction of other forms of life.
green tax
poison
asthenosphere
keystone species
7. Any other species of fish - mammals - or birds that are caught that are not the target organism.
ED50
humus
by-catch
logistic population growth
8. The accumulation of a substance - such as a toxic chemical - in various tissues of a living organism.
bioaccumulation
preservation
pathogens
non-point source pollution
9. Biotic and abiotic natural ecosystems.
natural resources
inner core
fly ash
omnivores
10. The maximum population size that can be supported by the available resources in a region.
convection currents
atmosphere
carrying capacity
vector
11. Graphical representations of populations' ages.
combustion
low-level radioactive waste
age-structure pyramids
symbiotic relationships
12. Resources that are often formed by very slow geologic processes - so we consider them incapable of being regenerated within the realm of human existence.
acid precipitation
nonrenewable resources
weather
combustion
13. An area in which a particular mineral is concentrated - mining -the excavation of the Earth for the purpose of extracting ore or minerals.
mineral deposit
bituminous
thermosphere
extinction
14. 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.
Green Revolution
subduction zone
extinction
thermocline
15. 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
coral reef
law of conservation of matter
monoculture
16. The region draining into river system or other body of water.
watershed
indigenous species
chronic effect
overgrazed
17. 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.
gray smog (industrial smog)
aquifer
arable
tree farms
18. Species that originate and live - or occur naturally - in an area or environment.
threshold dose
photovoltaic cell (PV cell)
surface fires
indigenous species
19. The layer of the Earth between the crust and the core.
chemical weathering
mantle
total fertility rate
O layer
20. When mature trees are cut over a period of time (usually10 -20 years); this leaves mature trees - which can reseed the forest - in place.
shelter-wood cutting
crude oil
primary pollutants
delta
21. Air currents caused by the vertical movement of air due to atmospheric heating and cooling.
wastewater
convection currents
population density
subduction zone
22. The result of vibrations (often due to plate movements) deep in the Earth that release energy. They often occur as two plates slide past one another at a transform boundary.
earthquake
habitat
consumer
deep well injection
23. Nets that are dragged through the water and indiscriminately catch everything in their path.
bituminous
driftnets
global warming
weathering
24. The amount of sugar that the plants produce in photosynthesis and subtracting from it the amount of energy the plants need for growth maintenance - repair - and reproduction.
overburden
lignite
demographic transition model
Gross Primary Productivity
25. 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)
biological weathering
acid precipitation
renewable resources
26. States that matter can neither be created nor destroyed.
rain shadow
biomagnifications
thermosphere
law of conservation of matter
27. A soil horizon; B receives the minerals and organic materials that are leached out of the A horizon.
point source pollution
B layer
ED50
invasive species
28. The result of a pathogen invading a body.
tertiary consumers
hazardous waste
shelter-wood cutting
Infection
29. The point at which 50 percent of the test organisms show a negative effect from a toxin.
leachate
community
ED50
Gross Primary Productivity
30. Organisms that consume primary consumers.
crude oil
Second Law of Thermodynamics
El Nino
secondary consumers
31. 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.
pathogens
energy pyramid
bituminous
non-point source pollution
32. 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.
chemotroph (chemoautotroph)
fossil fuel
capture fisheries
hurricane (typhoon - cyclone)
33. The process in which soil bacteria convert ammonium (NH4+) to a form that can be used by plants; nitrate - or NO3.
drip irrigation
nitrification
respiration
loamy
34. A symbiotic relationship in which one member is helped by the association and the other is harmed.
fission
sand
parasitism
threshold dose
35. Refers to when farmers plant seeds without using a plow to turn the soil.
disease
no-till
C layer
aquifer
36. The management of forest plantations for the purpose of harvesting timber.
La Nina
genetic drift
weathering
silviculture
37. A fishing technique in which the ocean floor is literally scraped by heavy nets that smash everything in their path.
bottom trawling
alkaline
divergent boundary
volcanoes
38. A cyclonic storm having winds ranging from approximately 48 to 121 km (30 to 75 miles) per hour.
bottom trawling
tropical storm
combustion
Hadley cell
39. The A layer of soil is often referred to as topsoil and is most important for plant growth.
producer
topsoil
building-related illness
parasitism
40. The number of individuals of a population that inhabit a certain unit of land or water area.
species
combustion
bioaccumulation
population density
41. Organisms that reproduce later in life - produce fewer offspring - and devote significant time and energy to the nurturing of their offspring.
hazardous waste
k-selected
symbiotic relationships
land degradation
42. The total sum of a species' use of the biotic and abiotic resources in its environment.
no-till
delta
niche
hydroelectric power
43. An opening in the Earth's crust through which molten lava - ash - and gases are ejected.
volcanoes
symbiotic relationships
tree farms
realized niche
44. 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).
lignite
riparian right
selective cutting
non-point source pollution
45. The amount of time it takes for half of a radioactive sample to disappear.
Half-life
leachate
passive solar energy collection
shelter-wood cutting
46. Countries that have a renewable annual water supply of about 1 -000 -2 -000 m3 per person.
water-stressed
acid precipitation
fly ash
noise pollution
47. The form petroleum takes when in the ground.
overburden
nitrification
ecological succession
crude oil
48. The conversion of atmospheric nitrogen into compounds - such as ammonia - by natural agencies or various industrial processes.
demographic transition model
riparian right
chemotroph (chemoautotroph)
nitrogen fixation
49. 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.
aquifer
La Nina
law of conservation of matter
trophic level
50. Piles of gangue - which is the waste material that results from mining.
composting
tailings
food chain
Headwaters
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