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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. 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
Biological control (alternative to pesticides)
Agricultural revolution and technology
What we can do to make forestry more sustainable
2. 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
Economic services
Minerals
Risks of Bt Corn
Bt Corn
3. Genetically engineered using recombinant DNA
What we can do to make forestry more sustainable
Adaptive Management
Genetically modified food
Why malachite was originally left behind as tailing from copper mines
4. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Impact of Mountain-Top Removal
Biological Control
Clear-cutting
Food Aid
5. 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
Artificial Organic compounds
Clear cutting
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
How corn yield has changed in the United States since the 1920s
6. 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
Impact of Mountain-Top Removal
Genetically Modified foods
Undernourishment
Advantages & Disadvantages of Subsurface mining
7. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Slag
Costs and downsides of purifying malachite
Malnourishment
Protein (usually)
8. 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
Pesticides
Types of forestry
Advantages & Disadvantages of Subsurface mining
Maximum Sustainable Yield
9. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Adaptive Management
Slash and Burn
Manure/compost
Industrial Agriculture/ Factory Farming
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
Advantages & Disadvantages of Subsurface mining
Selective cutting
Agricultural revolution and technology
Community garden
11. -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
Genetically modified food
Industrial Agriculture/ Factory Farming
Food security
Types of surface mining
12. Completely missing something acquired from food; usually protein or vitamin C
Biological control (alternative to pesticides)
Ecosystem-based Management
Malnourishment/Kwashiorkor
Selective Cutting
13. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Malnourishment
Sustainable Forestry
Nitrate
How corn yield has changed in the United States since the 1920s
14. 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
Acid mine drainage
Pest management
Protein (usually)
Sustainable Forestry
15. 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.
Surface Mining Control and Reclamation Act of 1977
Surface mining
Current Population/ 2100 projects of world population
Smelting
16. 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
Sustainable Forestry
Monoculture
To purify copper from malachite
How corn yield has changed in the United States since the 1920s
17. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Genetically modified food
Naturally occurring pesticides
Current Population/ 2100 projects of world population
Agricultural revolution and technology
18. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Agricultural revolution and technology
Integrated Pest Management (IPM)
How corn yield has changed in the United States since the 1920s
Strip Cutting
19. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Types of surface mining
Smelting
Coal
Food security
20. - the turning and loosening of soil for the planting of crops
Advantages & Disadvantages of surface mining
Plowing
Undernourishment
Economic services
21. Solid waste from smelts
Slag
Advantages & Disadvantages of Subsurface mining
Sustainable Forestry
Overburden
22. Completely missing something
Malnourishment
Things people can do to avoid depleting minerals
Pesticides
Tailings/ Gangue
23. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
What we can do to make forestry more sustainable
Bt Corn
Ecosystem-based Management
Slash and Burn
24. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Pesticides
To purify copper from malachite
Smelting
Minerals
25. 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.
Integrated Pest Management (IPM)
Selective cutting
Smelting
Subsurface mining
26. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Malnourishment
Open pit mine
Effect of Monsanto on soybean farming since 1994
Coal
27. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Malnourishment
Types of forestry
Biological Control
Community supported agriculture (CSA)
28. Organic macromolecules hardest to provide during a famine
Protein (usually)
Strip mine
Famine
Malnourishment/Kwashiorkor
29. 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
Tailings/ Gangue
Agricultural revolution and technology
Naturally occurring pesticides
30. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Food security
Smelting
Integrated Pest Management (IPM)
31. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Biological control (alternative to pesticides)
Manmade nitrogen fertilizers
Clear-cutting
To purify copper from malachite
32. 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
Manure/compost
Genetically Modified foods
Community garden
Pesticides
33. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Famine
To purify copper from malachite
Mechanization/tractors/combines
Effect of Monsanto on soybean farming since 1994
34. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Nitrate
Strip Cutting
Sustainable Forestry
Undernourishment/Marasmus
35. 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.
Coal
Plowing
Ore
Integrated Pest Management (IPM)
36. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Monoculture
How corn yield has changed in the United States since the 1920s
Economic services
Smelting
37. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Food security
What we can do to make forestry more sustainable
Pesticides
Clear cutting
38. 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
Mechanization/tractors/combines
Strip mine
Selective Cutting
39. Technology was not able to profitably remove the copper from the malachite
Selective cutting
Pesticides
Strip mine
Why malachite was originally left behind as tailing from copper mines
40. 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
Pesticides
Clear-cutting
Acid mine drainage
41. Worthless material that surrounds a wanted mineral in an ore deposit.
Tailings/ Gangue
Ore
Food Aid
Economic services
42. 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
Dangers of Biological control
Selective cutting
Manure/compost
43. Choosing valuable trees only - lots of reseeding - transportation is hard.
Selective cutting
Ecosystem-based Management
Food Aid
Risks of Bt Corn
44. 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
Mountain-Top Removal
Economic services
Overburden
Things people can do to avoid depleting minerals
45. 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
Maximum Sustainable Yield
Fertilizers
Malnourishment/Kwashiorkor
Current Population/ 2100 projects of world population
46. 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
How corn yield has changed in the United States since the 1920s
Pesticides
Adaptive Management
Strip mine
47. The uniform planting of a single crop
Manure/compost
Food security
To purify copper from malachite
Monoculture
48. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Current Population/ 2100 projects of world population
Coal
Acid mine drainage
Industrial Agriculture/ Factory Farming
49. 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.
Naturally occurring pesticides
Community garden
Maximum Sustainable Yield
Nitrate
50. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Community supported agriculture (CSA)
Strip mine
Advantages & Disadvantages of surface mining
Maximum Sustainable Yield