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Test your basic knowledge |
DSST Environmental Science: Land Use
Start Test
Study First
Subjects
:
dsst
,
science
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 surface soil that must be moved away to get at coal seams and mineral deposits
What we can do to make forestry more sustainable
Manure/compost
Overburden
Food Aid
2. Fertilizers - promote plant growth by providing essential nutrients like nitrogen or phosphorus; increases crop yield - Combines/Machinery - allows farmers to work much faster and more efficiently; increases crop yield - Pesticides - kill insects - p
Agricultural revolution and technology
Slash and Burn
Bt Corn
Strip cutting
3. Clear cutting - Strip cutting - selective cutting
Malnourishment/Kwashiorkor
Ecosystem-based Management
Types of forestry
Pesticides
4. The uniform planting of a single crop
Maximum Sustainable Yield
Surface mining
Slash and Burn
Monoculture
5. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Food Aid
Selective Cutting
What we can do to make forestry more sustainable
Nitrate
6. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Manmade nitrogen fertilizers
Nitrate
Slash and Burn
Costs and downsides of purifying malachite
7. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Manmade nitrogen ertilizers
Integrated Pest Management (IPM)
To purify copper from malachite
Bt Corn
8. Strip mining - open pit mining - mountain top removal
Biological control (alternative to pesticides)
Advantages & Disadvantages of surface mining
Types of surface mining
Advantages & Disadvantages of Subsurface mining
9. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Risks of Bt Corn
Pesticides
Nitrate
Dangers of Biological control
10. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Slag
Food Aid
Slash and Burn
Maximum Sustainable Yield
11. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Advantages & Disadvantages of Subsurface mining
Famine
Pest management
Strip Cutting
12. Choosing valuable trees only - lots of reseeding - transportation is hard.
Malnourishment/Kwashiorkor
Advantages & Disadvantages of surface mining
Protein (usually)
Selective cutting
13. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Coal
Adaptive Management
Food security
Industrial Agriculture/ Factory Farming
14. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Things people can do to avoid depleting minerals
Slash and Burn
Malnourishment
Strip mine
15. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Biological Control
Sustainable Forestry
Things people can do to avoid depleting minerals
Manure/compost
16. Completely missing something
Malnourishment
Why malachite was originally left behind as tailing from copper mines
Surface Mining Control and Reclamation Act of 1977
Smelting
17. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Effect of Monsanto on soybean farming since 1994
Economic services
Manmade nitrogen fertilizers
18. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Bt Corn
Food security
Naturally occurring pesticides
Mechanization/tractors/combines
19. Now makes up 80% of corn in the US - Benefits: Contains naturally occurring pesticide - Increases production - could feed more people - Grow more per square area - Doesn't spoil as quickly - Bigger - tastier
Bt Corn
Food security
Malnourishment/Kwashiorkor
Surface Mining Control and Reclamation Act of 1977
20. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Subsurface mining
Manure/compost
Undernourishment
Strip mine
21. Soy beans have been genetically modified for better traits. 'Round up Ready' soy beans have made it so that weed killer 'round up' can be sprayed around the plants and kill all the weeds but not the soy bean plants. 'round up ready soy beans' were cr
Slag
Undernourishment
Food Aid
Effect of Monsanto on soybean farming since 1994
22. Harvesting only mature trees of certain species and size; usually more expensive then clear-cutting but it is less disruptive for wildlife and often better for forest regeneration
Ecosystem-based Management
Selective Cutting
Slag
Open pit mine
23. Not enough of some vitamin/mineral/essential thing in food
Undernourishment/Marasmus
Overburden
Fertilizers
What we can do to make forestry more sustainable
24. 1990 Clean Air Act amendments encouraged clean-burning low-sulfur coal led to more mining in Appalachia -dumping ton of debris sinto valley degrades and destroys areas of habitat -social and health impacts. loose rock tumbles down into homes - overl
Advantages & Disadvantages of Subsurface mining
Pesticides
Things people can do to avoid depleting minerals
Impact of Mountain-Top Removal
25. When sulfide minerals in newly exposed rock surfaces react with oxygen and rainwater to produce sulfuric acid - causing runoff as it leaches metals from the rocks
Slash and Burn
Strip cutting
Plowing
Acid mine drainage
26. - the turning and loosening of soil for the planting of crops
Plowing
Risks of Bt Corn
Mechanization/tractors/combines
Agricultural revolution and technology
27. By far the best method for managing pests - Uses chemical pesticides - biocontrol - AND diversity - Not monoculture; things are planted in a mosaic so that if pests attack all of the corn in one area there is still more corn somewhere else - Proven t
Pest management
Strip Cutting
How corn yield has changed in the United States since the 1920s
Community supported agriculture (CSA)
28. Recycle batteries - Send large amounts of metal to scrap yards/businesses instead of to landfills (ex. cars - fridges - dishwashers - etc.) - Recycle old electronics like phones and computers to prevent more mining of minerals like tantalum that are
Things people can do to avoid depleting minerals
Maximum Sustainable Yield
Effect of Monsanto on soybean farming since 1994
Genetically Modified foods
29. Having not enough of something
Selective cutting
Genetically Modified foods
Undernourishment
Minerals
30. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Strip mine
Current Population/ 2100 projects of world population
Ecological services
Mechanization/tractors/combines
31. To reclaim is to make things level - and to get something growing and prevent erosion - If the U.S were to try to reclaim - it would cost tax payers about 2 trillion dollars.
Protein (usually)
Strip cutting
Surface Mining Control and Reclamation Act of 1977
Minerals
32. The FSC (Forest Stewardship Council) examine the practices of firms and rate them against criteria for sustainability - Grant sustainable forest certification to forests - companies - and products produced using methods they consider sustainable.
Sustainable Forestry
Slag
Manmade nitrogen ertilizers
Undernourishment
33. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
How corn yield has changed in the United States since the 1920s
Manmade nitrogen fertilizers
Plowing
Clear cutting
34. Foods derived from genetically modified organisms. Genetically modified organisms have had specific changes introduced into their DNA by genetic engineering techniques. include selective breeding; plant breeding. Typically - genetically modified food
Industrial Agriculture/ Factory Farming
Clear cutting
Genetically Modified foods
How corn yield has changed in the United States since the 1920s
35. A single piece of land gardened collectively by a group of people.
Integrated Pest Management (IPM)
Open pit mine
Community garden
Monoculture
36. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Coal
Acid mine drainage
Biological control (alternative to pesticides)
Minerals
37. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Surface mining
Community supported agriculture (CSA)
Integrated Pest Management (IPM)
Ecosystem-based Management
38. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Food security
Dangers of Biological control
Effect of Monsanto on soybean farming since 1994
Community supported agriculture (CSA)
39. A mineral or grouping of minerals from which we extract metals - most metals are found in ore - Copper - iron - lead gold - and aluminum - Used in electronic components of computers - cell phones - DVD players.
Famine
Ore
Biological control (alternative to pesticides)
Food security
40. Technology was not able to profitably remove the copper from the malachite
What we can do to make forestry more sustainable
Food Aid
Why malachite was originally left behind as tailing from copper mines
Lesson from Food Inc
41. Can hurt other species - methods used to control other species can become invasive species themselves - Ex. Australia released a virus to kill the excessive rabbits; Australians brought in cane toads to kill beetles on their sugar cane - BUT the toa
Malnourishment/Kwashiorkor
Dangers of Biological control
Artificial Organic compounds
What we can do to make forestry more sustainable
42. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Surface Mining Control and Reclamation Act of 1977
Plowing
Economic services
Biological control (alternative to pesticides)
43. Mining method- mountain's forests are clear-cut and the timber is sold - topsoild is removed - and then the rock is blasted away to expose the coal for extraction. Overburden is placed back on the mountaintop. Primarily for coal in the Appalachian Mo
Things people can do to avoid depleting minerals
Mountain-Top Removal
Plowing
Artificial Organic compounds
44. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Nitrate
Current Population/ 2100 projects of world population
Coal
Strip Cutting
45. A variation of clear-cutting in which a strip of trees is clear-cut along the contour of the land - with the corridor narrow enough to allow natural regeneration within a few years. After regeneration - another strip is cut above the first - and so o
Nitrate
Strip cutting
Adaptive Management
Pest management
46. Shafts are excavated deep into the ground - and networks of tunnels are dug or blasted out to follow deposits of the mineral. requires removal of the overburden - Used for metals ( zinc - lead - nickel - tin - gold - copper) and coal - Most dangerous
To purify copper from malachite
Surface mining
Undernourishment
Smelting
47. Manages resource harvesting so as to minimize impact on ecosystem and ecological processes that provide the resource - Advantages: can protect certain areas; can restore habitats; considers surroundings; allows timber harvesting while preserving inte
Manmade nitrogen fertilizers
Strip mine
Pest management
Ecosystem-based Management
48. Advantages: removes the least amount of unwanted material so less waste - Disadvantages: potential collapse; sinkholes; acid drainage; pollutes groundwater; risk of injury/death from dynamite blasts - natural gas explosions - inhalation of toxic gass
Sustainable Forestry
Advantages & Disadvantages of Subsurface mining
Overburden
Genetically Modified foods
49. way to enhance nutrient-limited soils - Inorganic fertilizers- mined or synthetically manufactured mineral supplements - Organic fertilizers consist of the remains or wastes of organisms that include animal mancure - organic fertilizers can improve
Effect of Monsanto on soybean farming since 1994
Food Aid
Fertilizers
Economic services
50. Mining method- mining underground coal deposits - in which shafts are dug deeply into the ground and networks of tunnels are dug to follow coal seams.
Community supported agriculture (CSA)
Strip cutting
Adaptive Management
Subsurface mining