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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. 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.
Genetically modified food
Sustainable Forestry
Bt Corn
Surface mining
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
What we can do to make forestry more sustainable
Strip Cutting
Ore
Bt Corn
3. Organic macromolecules hardest to provide during a famine
Minerals
Strip mine
Protein (usually)
Community supported agriculture (CSA)
4. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Pesticides
Famine
Economic services
How corn yield has changed in the United States since the 1920s
5. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
What we can do to make forestry more sustainable
Food security
Subsurface mining
Malnourishment
6. The uniform planting of a single crop
Impact of Mountain-Top Removal
Overburden
Surface Mining Control and Reclamation Act of 1977
Monoculture
7. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Malnourishment
Strip mine
Impact of Mountain-Top Removal
Slash and Burn
8. 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
How corn yield has changed in the United States since the 1920s
Surface Mining Control and Reclamation Act of 1977
Pesticides
9. Clear cutting - Strip cutting - selective cutting
Biological Control
Types of forestry
Strip cutting
Naturally occurring pesticides
10. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Open pit mine
To purify copper from malachite
Mechanization/tractors/combines
Ecosystem-based Management
11. Completely missing something
Lesson from Food Inc
Sustainable Forestry
Biological control (alternative to pesticides)
Malnourishment
12. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
To purify copper from malachite
Advantages & Disadvantages of surface mining
Tailings/ Gangue
Manmade nitrogen ertilizers
13. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Smelting
Fertilizers
To purify copper from malachite
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
14. Strip mining - open pit mining - mountain top removal
Advantages & Disadvantages of surface mining
Mechanization/tractors/combines
Nitrate
Types of surface mining
15. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Clear-cutting
Pesticides
Plowing
Tailings/ Gangue
16. Not enough of some vitamin/mineral/essential thing in food
Minerals
Malnourishment/Kwashiorkor
Effect of Monsanto on soybean farming since 1994
Undernourishment/Marasmus
17. Completely missing something acquired from food; usually protein or vitamin C
Adaptive Management
Agricultural revolution and technology
Nitrate
Malnourishment/Kwashiorkor
18. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Smelting
Strip cutting
What we can do to make forestry more sustainable
Slag
19. 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
Community garden
Selective Cutting
Fertilizers
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.
Acid mine drainage
Nitrate
Malnourishment
Clear-cutting
21. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Selective Cutting
Selective cutting
Adaptive Management
How corn yield has changed in the United States since the 1920s
22. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Manmade nitrogen fertilizers
Overburden
Ecological services
Artificial Organic compounds
23. 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
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Naturally occurring pesticides
Strip cutting
Bt Corn
24. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Manure/compost
Subsurface mining
Food Aid
Integrated Pest Management (IPM)
25. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Risks of Bt Corn
Maximum Sustainable Yield
Biological Control
Strip mine
26. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Sustainable Forestry
Strip mine
Slag
Mechanization/tractors/combines
27. 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
Genetically modified food
Smelting
Selective Cutting
Community supported agriculture (CSA)
28. 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
Food security
Ecological services
Effect of Monsanto on soybean farming since 1994
Dangers of Biological control
29. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Subsurface mining
Costs and downsides of purifying malachite
Acid mine drainage
Community supported agriculture (CSA)
30. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Bt Corn
Economic services
Community supported agriculture (CSA)
Naturally occurring pesticides
31. 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
Types of forestry
Current Population/ 2100 projects of world population
Advantages & Disadvantages of surface mining
32. 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
Bt Corn
Ecosystem-based Management
Ecological services
Effect of Monsanto on soybean farming since 1994
33. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Slag
Maximum Sustainable Yield
Manure/compost
Tailings/ Gangue
34. 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
Strip cutting
What we can do to make forestry more sustainable
Nitrate
Things people can do to avoid depleting minerals
35. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Acid mine drainage
Effect of Monsanto on soybean farming since 1994
Pesticides
Coal
36. 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;
Genetically modified food
Advantages & Disadvantages of surface mining
Famine
Minerals
37. Having not enough of something
Overburden
Undernourishment
Risks of Bt Corn
Artificial Organic compounds
38. 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.
Biological Control
Dangers of Biological control
Bt Corn
Subsurface mining
39. 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
Risks of Bt Corn
Tailings/ Gangue
To purify copper from malachite
Selective Cutting
40. Genetically engineered using recombinant DNA
Smelting
Genetically modified food
Advantages & Disadvantages of Subsurface mining
Strip mine
41. 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
Undernourishment/Marasmus
Impact of Mountain-Top Removal
Minerals
Tailings/ Gangue
42. 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
Dangers of Biological control
Acid mine drainage
Risks of Bt Corn
43. 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
Strip Cutting
Ore
Malnourishment/Kwashiorkor
44. 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.
Genetically modified food
Surface mining
Protein (usually)
Ore
45. 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 food
Current Population/ 2100 projects of world population
What we can do to make forestry more sustainable
Subsurface mining
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
Industrial Agriculture/ Factory Farming
Manmade nitrogen fertilizers
Adaptive Management
Coal
47. 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
Advantages & Disadvantages of Subsurface mining
Strip cutting
Integrated Pest Management (IPM)
48. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Overburden
What we can do to make forestry more sustainable
Things people can do to avoid depleting minerals
Acid mine drainage
49. Technology was not able to profitably remove the copper from the malachite
What we can do to make forestry more sustainable
Community supported agriculture (CSA)
Why malachite was originally left behind as tailing from copper mines
Industrial Agriculture/ Factory Farming
50. Worthless material that surrounds a wanted mineral in an ore deposit.
Selective Cutting
Open pit mine
Famine
Tailings/ Gangue