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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. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Smelting
Clear cutting
Mechanization/tractors/combines
Manure/compost
2. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Food security
Food Aid
Lesson from Food Inc
Clear-cutting
3. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Costs and downsides of purifying malachite
Genetically modified food
Naturally occurring pesticides
Strip Cutting
4. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Clear cutting
Surface Mining Control and Reclamation Act of 1977
How corn yield has changed in the United States since the 1920s
Malnourishment
5. 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.
Clear-cutting
Genetically Modified foods
Costs and downsides of purifying malachite
Ore
6. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Pesticides
Industrial Agriculture/ Factory Farming
What we can do to make forestry more sustainable
Minerals
7. 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.
Lesson from Food Inc
Types of forestry
Sustainable Forestry
Costs and downsides of purifying malachite
8. Completely missing something
Impact of Mountain-Top Removal
Biological Control
Slash and Burn
Malnourishment
9. 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.
Pest management
To purify copper from malachite
Surface Mining Control and Reclamation Act of 1977
Undernourishment/Marasmus
10. 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
Fertilizers
Protein (usually)
Advantages & Disadvantages of Subsurface mining
Things people can do to avoid depleting minerals
11. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Advantages & Disadvantages of surface mining
Clear-cutting
Coal
Famine
12. -boosts yields by intensifying irrigation and introducing synthetic fertilizers - while the advent of chemical pesticides reduce competition from weeds and herbivory by crop pests - Industrial agriculture works best under the condition of monoculture
Industrial Agriculture/ Factory Farming
Biological control (alternative to pesticides)
Selective Cutting
Mechanization/tractors/combines
13. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Undernourishment/Marasmus
Open pit mine
Maximum Sustainable Yield
Integrated Pest Management (IPM)
14. 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
Maximum Sustainable Yield
Food security
Food Aid
15. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Costs and downsides of purifying malachite
Naturally occurring pesticides
Current Population/ 2100 projects of world population
Protein (usually)
16. Solid waste from smelts
Slag
Types of surface mining
Manure/compost
Coal
17. Choosing valuable trees only - lots of reseeding - transportation is hard.
Bt Corn
Current Population/ 2100 projects of world population
Selective cutting
Biological control (alternative to pesticides)
18. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Subsurface mining
Economic services
Sustainable Forestry
Mechanization/tractors/combines
19. The uniform planting of a single crop
Open pit mine
Monoculture
Subsurface mining
Industrial Agriculture/ Factory Farming
20. Organic macromolecules hardest to provide during a famine
Maximum Sustainable Yield
Industrial Agriculture/ Factory Farming
Protein (usually)
Integrated Pest Management (IPM)
21. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Things people can do to avoid depleting minerals
Minerals
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Strip mine
22. 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
Ore
Sustainable Forestry
Acid mine drainage
Risks of Bt Corn
23. 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
Monoculture
Mountain-Top Removal
Ecosystem-based Management
Lesson from Food Inc
24. 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.
Food Aid
Subsurface mining
Effect of Monsanto on soybean farming since 1994
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
25. Genetically engineered using recombinant DNA
Dangers of Biological control
Artificial Organic compounds
Genetically modified food
Nitrate
26. 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
Plowing
Bt Corn
Types of forestry
Slag
27. Strip mining - open pit mining - mountain top removal
Nitrate
Food Aid
What we can do to make forestry more sustainable
Types of surface mining
28. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Overburden
Agricultural revolution and technology
Manmade nitrogen fertilizers
Nitrate
29. Worthless material that surrounds a wanted mineral in an ore deposit.
Mountain-Top Removal
Tailings/ Gangue
How corn yield has changed in the United States since the 1920s
Adaptive Management
30. - the turning and loosening of soil for the planting of crops
To purify copper from malachite
Economic services
Types of surface mining
Plowing
31. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Biological Control
Current Population/ 2100 projects of world population
Manmade nitrogen ertilizers
Biological control (alternative to pesticides)
32. 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
Bt Corn
Dangers of Biological control
Subsurface mining
33. 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
Genetically Modified foods
Bt Corn
Maximum Sustainable Yield
Pest management
34. 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
Mechanization/tractors/combines
Genetically Modified foods
Strip cutting
Costs and downsides of purifying malachite
35. 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;
Advantages & Disadvantages of surface mining
Undernourishment/Marasmus
Strip cutting
Integrated Pest Management (IPM)
36. The surface soil that must be moved away to get at coal seams and mineral deposits
Overburden
Smelting
Costs and downsides of purifying malachite
Manmade nitrogen fertilizers
37. Clear cutting - Strip cutting - selective cutting
Types of forestry
Malnourishment/Kwashiorkor
What we can do to make forestry more sustainable
Biological Control
38. 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
Clear cutting
Community supported agriculture (CSA)
Acid mine drainage
Costs and downsides of purifying malachite
39. Not enough of some vitamin/mineral/essential thing in food
Genetically Modified foods
Undernourishment/Marasmus
Dangers of Biological control
Genetically modified food
40. Uses the idea that 'the enemy of one's enemy is one's friend' - Battles pests and weeds with organisms that eat or infect them - Can be extremely effective and inexpensive
Genetically Modified foods
Slash and Burn
Pesticides
Biological control (alternative to pesticides)
41. Completely missing something acquired from food; usually protein or vitamin C
To purify copper from malachite
Economic services
Lesson from Food Inc
Malnourishment/Kwashiorkor
42. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Genetically Modified foods
Ecological services
Open pit mine
Genetically modified food
43. 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
Community garden
Acid mine drainage
Plowing
44. 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
Community supported agriculture (CSA)
Fertilizers
Maximum Sustainable Yield
To purify copper from malachite
45. 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
Pest management
Ecosystem-based Management
Pesticides
Surface Mining Control and Reclamation Act of 1977
46. Having not enough of something
Food Aid
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Undernourishment
Artificial Organic compounds
47. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Minerals
Acid mine drainage
Ore
Pest management
48. 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
Protein (usually)
Fertilizers
Current Population/ 2100 projects of world population
Adaptive Management
49. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Slash and Burn
Ecosystem-based Management
Current Population/ 2100 projects of world population
Subsurface mining
50. Technology was not able to profitably remove the copper from the malachite
Surface Mining Control and Reclamation Act of 1977
Why malachite was originally left behind as tailing from copper mines
Fertilizers
Food security