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Test your basic knowledge |
DSST Environmental Science: Land Use
Start Test
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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. -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
Integrated Pest Management (IPM)
What we can do to make forestry more sustainable
Genetically Modified foods
2. 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
Advantages & Disadvantages of surface mining
Dangers of Biological control
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Surface Mining Control and Reclamation Act of 1977
3. 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.
Nitrate
How corn yield has changed in the United States since the 1920s
Food security
Current Population/ 2100 projects of world population
4. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Manmade nitrogen fertilizers
Pest management
Clear cutting
Subsurface mining
5. Genetically engineered using recombinant DNA
Malnourishment
Genetically modified food
Mountain-Top Removal
Pest management
6. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Selective Cutting
Ecological services
Naturally occurring pesticides
Strip Cutting
7. Completely missing something
Types of forestry
Famine
Open pit mine
Malnourishment
8. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Manure/compost
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Naturally occurring pesticides
Minerals
9. 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
Slash and Burn
Acid mine drainage
10. 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
Manure/compost
Overburden
Open pit mine
11. 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
Tailings/ Gangue
Biological control (alternative to pesticides)
Things people can do to avoid depleting minerals
Current Population/ 2100 projects of world population
12. 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
Open pit mine
Subsurface mining
Strip cutting
Integrated Pest Management (IPM)
13. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Naturally occurring pesticides
Agricultural revolution and technology
Manmade nitrogen ertilizers
Artificial Organic compounds
14. 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
Effect of Monsanto on soybean farming since 1994
Genetically Modified foods
Artificial Organic compounds
15. One farmer=100 eaters.
Food security
Agricultural revolution and technology
Lesson from Food Inc
Why malachite was originally left behind as tailing from copper mines
16. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Minerals
Bt Corn
Agricultural revolution and technology
Dangers of Biological control
17. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Protein (usually)
Selective Cutting
Advantages & Disadvantages of surface mining
Open pit mine
18. 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
Impact of Mountain-Top Removal
Dangers of Biological control
Fertilizers
How corn yield has changed in the United States since the 1920s
19. 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.
Things people can do to avoid depleting minerals
Artificial Organic compounds
Pesticides
Sustainable Forestry
20. 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.
Community garden
Biological Control
Overburden
Nitrate
21. - the turning and loosening of soil for the planting of crops
Plowing
Ecological services
Current Population/ 2100 projects of world population
Open pit mine
22. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Food Aid
Types of surface mining
Clear cutting
Slash and Burn
23. The uniform planting of a single crop
Slag
Genetically modified food
Monoculture
Smelting
24. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Coal
To purify copper from malachite
Nitrate
How corn yield has changed in the United States since the 1920s
25. 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
Adaptive Management
Selective cutting
Biological Control
Subsurface mining
26. 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
Tailings/ Gangue
Slag
Industrial Agriculture/ Factory Farming
Effect of Monsanto on soybean farming since 1994
27. 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
Ecosystem-based Management
Malnourishment
Dangers of Biological control
28. Solid waste from smelts
Slash and Burn
Open pit mine
Lesson from Food Inc
Slag
29. Choosing valuable trees only - lots of reseeding - transportation is hard.
Food Aid
Surface Mining Control and Reclamation Act of 1977
Strip Cutting
Selective cutting
30. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Manure/compost
Sustainable Forestry
Slash and Burn
Surface mining
31. 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)
Subsurface mining
Manmade nitrogen ertilizers
Biological control (alternative to pesticides)
32. 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
Bt Corn
Manure/compost
Industrial Agriculture/ Factory Farming
Artificial Organic compounds
33. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Food security
Manure/compost
Agricultural revolution and technology
Costs and downsides of purifying malachite
34. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Overburden
Costs and downsides of purifying malachite
Strip cutting
Clear-cutting
35. 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
Strip Cutting
Maximum Sustainable Yield
Bt Corn
Impact of Mountain-Top Removal
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
Pest management
Clear-cutting
Mountain-Top Removal
Ore
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
Open pit mine
Artificial Organic compounds
Ecosystem-based Management
Acid mine drainage
38. 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.
Undernourishment/Marasmus
Food Aid
Surface Mining Control and Reclamation Act of 1977
Integrated Pest Management (IPM)
39. 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
Integrated Pest Management (IPM)
Clear cutting
Genetically Modified foods
Ecosystem-based Management
40. 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
Acid mine drainage
Mountain-Top Removal
Open pit mine
Monoculture
41. Having not enough of something
Maximum Sustainable Yield
Clear cutting
Acid mine drainage
Undernourishment
42. 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
Integrated Pest Management (IPM)
Economic services
Biological control (alternative to pesticides)
Coal
43. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Surface mining
Clear cutting
Pesticides
Types of surface mining
44. Completely missing something acquired from food; usually protein or vitamin C
Malnourishment/Kwashiorkor
Maximum Sustainable Yield
Undernourishment
Undernourishment/Marasmus
45. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Pest management
Effect of Monsanto on soybean farming since 1994
Ore
Mechanization/tractors/combines
46. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Clear-cutting
Slag
Types of surface mining
Strip Cutting
47. Worthless material that surrounds a wanted mineral in an ore deposit.
Tailings/ Gangue
Clear cutting
Clear-cutting
Types of surface mining
48. 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
Ecological services
Overburden
Costs and downsides of purifying malachite
Risks of Bt Corn
49. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Smelting
Biological control (alternative to pesticides)
Plowing
Pesticides
50. 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
Community supported agriculture (CSA)
Pesticides
Sustainable Forestry
Integrated Pest Management (IPM)