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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. 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
Effect of Monsanto on soybean farming since 1994
Bt Corn
Types of forestry
Minerals
2. 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
Slag
Strip mine
Risks of Bt Corn
Malnourishment/Kwashiorkor
3. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Current Population/ 2100 projects of world population
Mechanization/tractors/combines
Pesticides
Slag
4. 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
Manmade nitrogen ertilizers
Biological control (alternative to pesticides)
Ecological services
Pest management
5. One farmer=100 eaters.
Integrated Pest Management (IPM)
Advantages & Disadvantages of Subsurface mining
Lesson from Food Inc
Advantages & Disadvantages of surface mining
6. 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
Surface Mining Control and Reclamation Act of 1977
Genetically modified food
Selective Cutting
7. 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.
Current Population/ 2100 projects of world population
Tailings/ Gangue
Undernourishment
Subsurface mining
8. 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
Subsurface mining
Surface mining
Adaptive Management
Selective Cutting
9. 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
What we can do to make forestry more sustainable
Adaptive Management
Maximum Sustainable Yield
Current Population/ 2100 projects of world population
10. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Integrated Pest Management (IPM)
Genetically modified food
Mechanization/tractors/combines
Acid mine drainage
11. Organic macromolecules hardest to provide during a famine
Things people can do to avoid depleting minerals
Coal
Strip mine
Protein (usually)
12. 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
Minerals
Open pit mine
Why malachite was originally left behind as tailing from copper mines
13. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Biological Control
Types of forestry
Clear-cutting
Smelting
14. 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
Why malachite was originally left behind as tailing from copper mines
Pesticides
Community garden
Advantages & Disadvantages of Subsurface mining
15. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Pest management
Sustainable Forestry
Famine
Biological Control
16. 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
Plowing
Dangers of Biological control
Coal
Ecosystem-based Management
17. 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
Maximum Sustainable Yield
To purify copper from malachite
Nitrate
Advantages & Disadvantages of Subsurface mining
18. 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
Genetically modified food
Current Population/ 2100 projects of world population
Ecosystem-based Management
Ore
19. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Manmade nitrogen ertilizers
Adaptive Management
Agricultural revolution and technology
Surface Mining Control and Reclamation Act of 1977
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
Advantages & Disadvantages of surface mining
Community supported agriculture (CSA)
Genetically modified food
Protein (usually)
21. Completely missing something acquired from food; usually protein or vitamin C
Malnourishment/Kwashiorkor
Malnourishment
Costs and downsides of purifying malachite
Community garden
22. Technology was not able to profitably remove the copper from the malachite
Artificial Organic compounds
Clear cutting
Manmade nitrogen ertilizers
Why malachite was originally left behind as tailing from copper mines
23. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Selective Cutting
Food Aid
Economic services
Risks of Bt Corn
24. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Community garden
Biological Control
Fertilizers
Food security
25. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Strip Cutting
Food Aid
Advantages & Disadvantages of surface mining
Manmade nitrogen ertilizers
26. 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
Agricultural revolution and technology
Things people can do to avoid depleting minerals
What we can do to make forestry more sustainable
Minerals
27. 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
Industrial Agriculture/ Factory Farming
Monoculture
Costs and downsides of purifying malachite
Fertilizers
28. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Clear cutting
Clear-cutting
Current Population/ 2100 projects of world population
Naturally occurring pesticides
29. Completely missing something
Clear-cutting
Sustainable Forestry
Ore
Malnourishment
30. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Current Population/ 2100 projects of world population
Manure/compost
Slash and Burn
Fertilizers
31. 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
Community supported agriculture (CSA)
Integrated Pest Management (IPM)
Nitrate
Bt Corn
32. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Manmade nitrogen ertilizers
Naturally occurring pesticides
Food security
Surface Mining Control and Reclamation Act of 1977
33. The uniform planting of a single crop
Ore
Monoculture
Protein (usually)
Impact of Mountain-Top Removal
34. 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;
Community supported agriculture (CSA)
Advantages & Disadvantages of surface mining
Ecological services
Current Population/ 2100 projects of world population
35. Clear cutting - Strip cutting - selective cutting
Minerals
Overburden
Current Population/ 2100 projects of world population
Types of forestry
36. 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
Naturally occurring pesticides
Mechanization/tractors/combines
Pest management
Food security
37. 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
Strip mine
Acid mine drainage
Slag
Economic services
38. 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
Manure/compost
Subsurface mining
Ore
39. 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
Open pit mine
Surface Mining Control and Reclamation Act of 1977
Adaptive Management
Subsurface mining
40. A single piece of land gardened collectively by a group of people.
Surface mining
Why malachite was originally left behind as tailing from copper mines
Community garden
Bt Corn
41. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Strip Cutting
Ore
Ecological services
Manmade nitrogen fertilizers
42. Worthless material that surrounds a wanted mineral in an ore deposit.
Tailings/ Gangue
Community supported agriculture (CSA)
Undernourishment
Subsurface mining
43. 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.
Manmade nitrogen ertilizers
Biological control (alternative to pesticides)
Slag
Subsurface mining
44. Choosing valuable trees only - lots of reseeding - transportation is hard.
Clear cutting
Lesson from Food Inc
Selective cutting
Malnourishment/Kwashiorkor
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
Undernourishment
Surface mining
Mountain-Top Removal
Tailings/ Gangue
46. - the turning and loosening of soil for the planting of crops
Artificial Organic compounds
What we can do to make forestry more sustainable
Ore
Plowing
47. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
How corn yield has changed in the United States since the 1920s
Community garden
Food Aid
Ecosystem-based Management
48. The surface soil that must be moved away to get at coal seams and mineral deposits
Impact of Mountain-Top Removal
Effect of Monsanto on soybean farming since 1994
Slash and Burn
Overburden
49. 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
Naturally occurring pesticides
Genetically modified food
Mechanization/tractors/combines
Artificial Organic compounds
50. 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
Malnourishment/Kwashiorkor
Pest management
Malnourishment