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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. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Smelting
Open pit mine
Bt Corn
How corn yield has changed in the United States since the 1920s
2. 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.
Strip Cutting
Selective Cutting
Nitrate
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
3. 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
Food Aid
Advantages & Disadvantages of Subsurface mining
Pest management
Subsurface mining
4. 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
Genetically Modified foods
Risks of Bt Corn
Mountain-Top Removal
Impact of Mountain-Top Removal
5. 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
Subsurface mining
Advantages & Disadvantages of Subsurface mining
Clear-cutting
Lesson from Food Inc
6. 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
Pesticides
Mountain-Top Removal
Artificial Organic compounds
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.
Costs and downsides of purifying malachite
Slash and Burn
Surface Mining Control and Reclamation Act of 1977
Sustainable Forestry
8. 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
Slash and Burn
Mountain-Top Removal
Community supported agriculture (CSA)
Clear cutting
9. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Bt Corn
Malnourishment
Economic services
Coal
10. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Ecological services
Industrial Agriculture/ Factory Farming
Advantages & Disadvantages of Subsurface mining
Coal
11. Clear cutting - Strip cutting - selective cutting
Clear cutting
Naturally occurring pesticides
Acid mine drainage
Types of forestry
12. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Undernourishment/Marasmus
Naturally occurring pesticides
Advantages & Disadvantages of Subsurface mining
Types of surface mining
13. 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
Ore
Biological control (alternative to pesticides)
Agricultural revolution and technology
Risks of Bt Corn
14. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Food security
Famine
Mountain-Top Removal
Acid mine drainage
15. Completely missing something acquired from food; usually protein or vitamin C
Manmade nitrogen fertilizers
Malnourishment/Kwashiorkor
Pesticides
Selective Cutting
16. Choosing valuable trees only - lots of reseeding - transportation is hard.
Fertilizers
Selective cutting
Tailings/ Gangue
Things people can do to avoid depleting minerals
17. The surface soil that must be moved away to get at coal seams and mineral deposits
Clear cutting
Undernourishment
Surface mining
Overburden
18. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Minerals
Subsurface mining
Strip cutting
Malnourishment/Kwashiorkor
19. Technology was not able to profitably remove the copper from the malachite
Things people can do to avoid depleting minerals
Why malachite was originally left behind as tailing from copper mines
Malnourishment
Effect of Monsanto on soybean farming since 1994
20. 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.
Industrial Agriculture/ Factory Farming
Genetically modified food
Manmade nitrogen ertilizers
Subsurface mining
21. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Integrated Pest Management (IPM)
Monoculture
Malnourishment
Ore
22. 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
Fertilizers
Nitrate
Slash and Burn
Things people can do to avoid depleting minerals
23. Not enough of some vitamin/mineral/essential thing in food
Effect of Monsanto on soybean farming since 1994
Undernourishment
Undernourishment/Marasmus
Genetically Modified foods
24. 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;
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Advantages & Disadvantages of surface mining
Agricultural revolution and technology
Artificial Organic compounds
25. 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
Things people can do to avoid depleting minerals
Acid mine drainage
Genetically Modified foods
Mechanization/tractors/combines
26. 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
Minerals
Ore
Mechanization/tractors/combines
27. 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
How corn yield has changed in the United States since the 1920s
Malnourishment/Kwashiorkor
28. - the turning and loosening of soil for the planting of crops
Plowing
Food security
Naturally occurring pesticides
Ecosystem-based Management
29. 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
Genetically Modified foods
Biological Control
Bt Corn
Mountain-Top Removal
30. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Strip mine
Clear cutting
Naturally occurring pesticides
Why malachite was originally left behind as tailing from copper mines
31. 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
Nitrate
Impact of Mountain-Top Removal
Acid mine drainage
32. 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.
Dangers of Biological control
Surface Mining Control and Reclamation Act of 1977
Selective Cutting
Surface mining
33. 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
Dangers of Biological control
Nitrate
Biological control (alternative to pesticides)
Community garden
34. 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
Adaptive Management
Ecological services
Dangers of Biological control
Undernourishment/Marasmus
35. 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
Lesson from Food Inc
To purify copper from malachite
Minerals
Impact of Mountain-Top Removal
36. Completely missing something
Genetically modified food
Smelting
Manmade nitrogen ertilizers
Malnourishment
37. Organic macromolecules hardest to provide during a famine
Costs and downsides of purifying malachite
Community garden
Protein (usually)
Risks of Bt Corn
38. 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
Adaptive Management
Fertilizers
Pest management
Advantages & Disadvantages of Subsurface mining
39. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Ecological services
Economic services
Open pit mine
Biological control (alternative to pesticides)
40. 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
Lesson from Food Inc
Effect of Monsanto on soybean farming since 1994
Pesticides
Selective Cutting
41. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Types of surface mining
Manmade nitrogen fertilizers
Advantages & Disadvantages of Subsurface mining
Industrial Agriculture/ Factory Farming
42. A single piece of land gardened collectively by a group of people.
Undernourishment
Sustainable Forestry
Community garden
Smelting
43. Having not enough of something
What we can do to make forestry more sustainable
Minerals
Integrated Pest Management (IPM)
Undernourishment
44. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Undernourishment/Marasmus
Slag
Pesticides
Surface Mining Control and Reclamation Act of 1977
45. 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
Strip mine
Food Aid
Advantages & Disadvantages of surface mining
Mountain-Top Removal
46. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Dangers of Biological control
Economic services
Manure/compost
47. 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
Selective Cutting
Advantages & Disadvantages of surface mining
Clear cutting
Minerals
48. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Genetically Modified foods
Plowing
Subsurface mining
Smelting
49. About one million people on Earth 10 -000 years ago. (The Agricultural revolution). Worlds population crossed into 7 billion now - It is unlikely that we will double the 7 billion. We will hit 9 to 11 billion people.
Genetically Modified foods
Coal
Overburden
Current Population/ 2100 projects of world population
50. 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
Slash and Burn
Surface Mining Control and Reclamation Act of 1977
Mountain-Top Removal
Surface mining