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Test your basic knowledge |
DSST Environmental Science: Land Use
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dsst
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science
Instructions:
Answer 50 questions in 15 minutes.
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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. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Community supported agriculture (CSA)
Economic services
Monoculture
Strip Cutting
2. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Manmade nitrogen ertilizers
Strip mine
Nitrate
Open pit mine
3. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Monoculture
How corn yield has changed in the United States since the 1920s
Economic services
Advantages & Disadvantages of Subsurface mining
4. The golden molecule for plants because it makes them grow - Leagues have special nitrogen fixing bacteria in their rhizomes (roots) - Three covalent bonds for N2. Stronger the covalent bonds - the harder it is to react. Nitrogen gas is inert.
Nitrate
Types of surface mining
Mountain-Top Removal
Food Aid
5. 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
Mechanization/tractors/combines
Surface mining
Manmade nitrogen ertilizers
Fertilizers
6. One farmer=100 eaters.
How corn yield has changed in the United States since the 1920s
Community supported agriculture (CSA)
Impact of Mountain-Top Removal
Lesson from Food Inc
7. - the turning and loosening of soil for the planting of crops
Things people can do to avoid depleting minerals
Clear-cutting
Plowing
Bt Corn
8. Mix the malachite with water and 6M sulfuric acid and heat the mixture - creating a transformation reaction where the only left over matter is the sand - which is then strained out. Iron fillings are then added to the solution - a substitution react
To purify copper from malachite
Bt Corn
Biological control (alternative to pesticides)
Acid mine drainage
9. Completely missing something
Naturally occurring pesticides
Advantages & Disadvantages of surface mining
Agricultural revolution and technology
Malnourishment
10. Organic macromolecules hardest to provide during a famine
Types of surface mining
Selective cutting
Protein (usually)
Overburden
11. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Ore
Manmade nitrogen ertilizers
Selective Cutting
Integrated Pest Management (IPM)
12. Choosing valuable trees only - lots of reseeding - transportation is hard.
Strip Cutting
Slash and Burn
Selective cutting
Integrated Pest Management (IPM)
13. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Risks of Bt Corn
Strip mine
Ore
Artificial Organic compounds
14. Genetically engineered using recombinant DNA
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Genetically modified food
Fertilizers
Types of surface mining
15. Cut trees shortly after they go through their fastest stage of growth (which is during their intermediate age) - Advantages: maximizes timber production over time - Disadvantages: trees get cut before they mature; alters forest ecology; eliminates ha
Maximum Sustainable Yield
Genetically Modified foods
Manure/compost
Undernourishment/Marasmus
16. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Types of forestry
Surface mining
Ecological services
Community garden
17. 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
Dangers of Biological control
Bt Corn
Industrial Agriculture/ Factory Farming
Effect of Monsanto on soybean farming since 1994
18. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Selective Cutting
Community supported agriculture (CSA)
Clear cutting
Manmade nitrogen ertilizers
19. 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
Strip cutting
Manmade nitrogen ertilizers
Naturally occurring pesticides
Costs and downsides of purifying malachite
20. Locally-based socio-economic model of agriculture and food distribution. also refers to a particular network or association of individuals who have pledged to support one or more local farms - with growers and consumers sharing the risks and benefits
Tailings/ Gangue
Fertilizers
Community supported agriculture (CSA)
Clear cutting
21. 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
Slash and Burn
Subsurface mining
Biological control (alternative to pesticides)
Fertilizers
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
Malnourishment/Kwashiorkor
Bt Corn
Selective Cutting
Strip Cutting
23. Having not enough of something
Integrated Pest Management (IPM)
Monoculture
Sustainable Forestry
Undernourishment
24. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Ore
Manmade nitrogen fertilizers
Open pit mine
Why malachite was originally left behind as tailing from copper mines
25. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Pest management
Monoculture
What we can do to make forestry more sustainable
Undernourishment/Marasmus
26. Long term information is unknown - Can take over surrounding ecosystem - Pest-killing toxin also kills insects that should not and are not meant to be killed such as monarch butterflies - Pollen can be carried to nearby plants by wind thus making th
Acid mine drainage
Food Aid
Adaptive Management
Risks of Bt Corn
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
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Smelting
Slag
28. The surface soil that must be moved away to get at coal seams and mineral deposits
Overburden
Effect of Monsanto on soybean farming since 1994
Why malachite was originally left behind as tailing from copper mines
Economic services
29. 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
Genetically Modified foods
Sustainable Forestry
Subsurface mining
Famine
30. Strip mining - open pit mining - mountain top removal
Manure/compost
Manmade nitrogen ertilizers
Types of surface mining
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
31. 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.
What we can do to make forestry more sustainable
Costs and downsides of purifying malachite
Subsurface mining
Strip cutting
32. Systematically tests different approaches and aims to improve methods and find ideal over time - Advantages: can be highly effective; works with each specific environment; can protect species; can provide minimum impact - Disadvantages: difficult to
What we can do to make forestry more sustainable
Dangers of Biological control
Effect of Monsanto on soybean farming since 1994
Adaptive Management
33. 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
Protein (usually)
Impact of Mountain-Top Removal
Advantages & Disadvantages of Subsurface mining
Artificial Organic compounds
34. Not enough of some vitamin/mineral/essential thing in food
How corn yield has changed in the United States since the 1920s
Undernourishment/Marasmus
Protein (usually)
Food Aid
35. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Malnourishment/Kwashiorkor
Surface mining
Food Aid
Malnourishment
36. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Strip Cutting
Plowing
Selective cutting
How corn yield has changed in the United States since the 1920s
37. 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
Open pit mine
Protein (usually)
Mountain-Top Removal
Manmade nitrogen fertilizers
38. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Clear-cutting
Clear cutting
Costs and downsides of purifying malachite
Famine
39. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Current Population/ 2100 projects of world population
Slash and Burn
Malnourishment
Integrated Pest Management (IPM)
40. Technology was not able to profitably remove the copper from the malachite
Advantages & Disadvantages of Subsurface mining
Malnourishment
Plowing
Why malachite was originally left behind as tailing from copper mines
41. Cheap - But - removes all overburden (trees - soil - rocks - etc.); obliterates natural communities b/c everything has been removed; leads to erosion; causes sulfuric acid run-off;
Nitrate
Impact of Mountain-Top Removal
Advantages & Disadvantages of surface mining
Monoculture
42. The uniform planting of a single crop
Clear cutting
Food Aid
Strip mine
Monoculture
43. Solid waste from smelts
Coal
Slag
Plowing
Ecological services
44. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Naturally occurring pesticides
To purify copper from malachite
Coal
Economic services
45. 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
Open pit mine
Undernourishment/Marasmus
Protein (usually)
Agricultural revolution and technology
46. 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.
Dangers of Biological control
Manmade nitrogen ertilizers
Sustainable Forestry
Tailings/ Gangue
47. Clear cutting - Strip cutting - selective cutting
Tailings/ Gangue
Types of forestry
Ore
Fertilizers
48. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Open pit mine
Clear cutting
Manmade nitrogen ertilizers
Current Population/ 2100 projects of world population
49. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Biological control (alternative to pesticides)
Smelting
Undernourishment
Minerals
50. 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
Acid mine drainage
Pesticides
Mechanization/tractors/combines
Current Population/ 2100 projects of world population
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