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Test your basic knowledge |
DSST Environmental Science: Land Use
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Subjects
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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. 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.
Agricultural revolution and technology
Ore
Industrial Agriculture/ Factory Farming
Clear-cutting
2. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Mechanization/tractors/combines
Ore
Malnourishment/Kwashiorkor
Manure/compost
3. Not enough of some vitamin/mineral/essential thing in food
Integrated Pest Management (IPM)
Undernourishment/Marasmus
Selective Cutting
Community garden
4. Solid waste from smelts
Undernourishment
Overburden
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Slag
5. Having not enough of something
Pest management
Economic services
Undernourishment
Manure/compost
6. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Adaptive Management
Nitrate
Open pit mine
Sustainable Forestry
7. Completely missing something acquired from food; usually protein or vitamin C
Types of surface mining
Fertilizers
Biological Control
Malnourishment/Kwashiorkor
8. A single piece of land gardened collectively by a group of people.
Open pit mine
Lesson from Food Inc
Manmade nitrogen ertilizers
Community garden
9. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Ore
Famine
Manmade nitrogen fertilizers
Costs and downsides of purifying malachite
10. - the turning and loosening of soil for the planting of crops
Plowing
Advantages & Disadvantages of Subsurface mining
Industrial Agriculture/ Factory Farming
Lesson from Food Inc
11. Worthless material that surrounds a wanted mineral in an ore deposit.
Manure/compost
Tailings/ Gangue
Why malachite was originally left behind as tailing from copper mines
Famine
12. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
To purify copper from malachite
Slash and Burn
Bt Corn
What we can do to make forestry more sustainable
13. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Ore
Artificial Organic compounds
Food security
Why malachite was originally left behind as tailing from copper mines
14. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Food Aid
Clear-cutting
Manmade nitrogen fertilizers
Coal
15. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
What we can do to make forestry more sustainable
Genetically modified food
Manmade nitrogen fertilizers
Risks of Bt Corn
16. 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
Effect of Monsanto on soybean farming since 1994
To purify copper from malachite
Biological control (alternative to pesticides)
Subsurface mining
17. Technology was not able to profitably remove the copper from the malachite
Advantages & Disadvantages of Subsurface mining
Why malachite was originally left behind as tailing from copper mines
Minerals
Current Population/ 2100 projects of world population
18. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
To purify copper from malachite
Strip Cutting
Biological Control
Genetically modified food
19. 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
Coal
Ecosystem-based Management
Selective Cutting
Costs and downsides of purifying malachite
20. -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
Types of surface mining
Industrial Agriculture/ Factory Farming
Strip mine
Tailings/ Gangue
21. Controversial logging practice where all trees in an area are uniformly cut down - used by foresters to create certain types of forest ecosystems and to promote select species that requires an abudnace of sunlight or grow in large - even--age stands
Clear-cutting
Industrial Agriculture/ Factory Farming
To purify copper from malachite
Manure/compost
22. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Advantages & Disadvantages of Subsurface mining
Ecosystem-based Management
Integrated Pest Management (IPM)
Overburden
23. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Genetically modified food
Clear cutting
Ore
24. 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
Selective Cutting
Clear-cutting
Fertilizers
Community garden
25. 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
Economic services
Naturally occurring pesticides
Impact of Mountain-Top Removal
Monoculture
26. Strip mining - open pit mining - mountain top removal
Pesticides
What we can do to make forestry more sustainable
Slash and Burn
Types of surface mining
27. 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
Agricultural revolution and technology
Current Population/ 2100 projects of world population
To purify copper from malachite
Effect of Monsanto on soybean farming since 1994
28. Choosing valuable trees only - lots of reseeding - transportation is hard.
How corn yield has changed in the United States since the 1920s
Tailings/ Gangue
Selective cutting
Advantages & Disadvantages of surface mining
29. 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
Community supported agriculture (CSA)
Malnourishment/Kwashiorkor
Mountain-Top Removal
Food Aid
30. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Manmade nitrogen ertilizers
Smelting
Ore
Food Aid
31. 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
Manure/compost
Economic services
What we can do to make forestry more sustainable
Community supported agriculture (CSA)
32. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Strip cutting
Famine
How corn yield has changed in the United States since the 1920s
Coal
33. 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
What we can do to make forestry more sustainable
Integrated Pest Management (IPM)
Genetically Modified foods
Adaptive Management
34. 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
Mountain-Top Removal
Overburden
Advantages & Disadvantages of Subsurface mining
Strip Cutting
35. 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
Clear-cutting
Nitrate
Clear cutting
36. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Types of forestry
Advantages & Disadvantages of Subsurface mining
Smelting
Selective cutting
37. 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;
Agricultural revolution and technology
Advantages & Disadvantages of surface mining
Subsurface mining
Genetically Modified foods
38. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Manmade nitrogen fertilizers
Biological control (alternative to pesticides)
Pesticides
Strip mine
39. 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
Impact of Mountain-Top Removal
Maximum Sustainable Yield
Undernourishment
Strip cutting
40. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Surface mining
Lesson from Food Inc
Mechanization/tractors/combines
Ecological services
41. 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
Ecosystem-based Management
Lesson from Food Inc
Strip cutting
Adaptive Management
42. 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.
Subsurface mining
Clear-cutting
Malnourishment
Food security
43. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Strip cutting
Selective cutting
To purify copper from malachite
Naturally occurring pesticides
44. Do not naturally occur in the environment - but are synthesized by man. Since all these compounds have carbon and hydrogen atoms as the basis of their molecule (as do living plants and animals) - they are referred to as organic compounds to form pest
Plowing
Artificial Organic compounds
Industrial Agriculture/ Factory Farming
Food security
45. 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
Monoculture
Costs and downsides of purifying malachite
Mountain-Top Removal
46. 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
Famine
Bt Corn
Agricultural revolution and technology
Strip Cutting
47. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Strip cutting
Biological Control
Pest management
Selective Cutting
48. 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
Surface mining
Economic services
Advantages & Disadvantages of surface mining
Things people can do to avoid depleting minerals
49. 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
Food Aid
Risks of Bt Corn
Artificial Organic compounds
50. Clear cutting - Strip cutting - selective cutting
Community garden
Types of forestry
Malnourishment
Pesticides