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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. Genetically engineered using recombinant DNA
Protein (usually)
Naturally occurring pesticides
Genetically modified food
Bt Corn
2. -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
Biological Control
Manmade nitrogen fertilizers
Agricultural revolution and technology
Industrial Agriculture/ Factory Farming
3. Choosing valuable trees only - lots of reseeding - transportation is hard.
Monoculture
Smelting
Sustainable Forestry
Selective cutting
4. 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
Fertilizers
Pesticides
Naturally occurring pesticides
Strip cutting
5. 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
To purify copper from malachite
Strip mine
Mechanization/tractors/combines
Bt Corn
6. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Effect of Monsanto on soybean farming since 1994
Genetically Modified foods
Risks of Bt Corn
Ecological services
7. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Naturally occurring pesticides
Biological Control
Slag
Adaptive Management
8. 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
Coal
Surface mining
Smelting
Advantages & Disadvantages of Subsurface mining
9. Completely missing something acquired from food; usually protein or vitamin C
Open pit mine
Malnourishment/Kwashiorkor
Sustainable Forestry
Community garden
10. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Naturally occurring pesticides
Smelting
Impact of Mountain-Top Removal
Strip cutting
11. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Selective Cutting
Pesticides
Community garden
Monoculture
12. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Mountain-Top Removal
Biological Control
Integrated Pest Management (IPM)
Why malachite was originally left behind as tailing from copper mines
13. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Economic services
Bt Corn
Plowing
Minerals
14. 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
Effect of Monsanto on soybean farming since 1994
Biological control (alternative to pesticides)
Surface mining
Coal
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.
Slash and Burn
Strip Cutting
Surface Mining Control and Reclamation Act of 1977
Lesson from Food Inc
16. Technology was not able to profitably remove the copper from the malachite
Genetically Modified foods
Plowing
Why malachite was originally left behind as tailing from copper mines
Mechanization/tractors/combines
17. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
What we can do to make forestry more sustainable
Malnourishment
Famine
Mechanization/tractors/combines
18. 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
Selective cutting
Why malachite was originally left behind as tailing from copper mines
Protein (usually)
Dangers of Biological control
19. 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
Undernourishment
To purify copper from malachite
Slash and Burn
Selective Cutting
20. 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
Clear cutting
Manmade nitrogen ertilizers
Adaptive Management
Manure/compost
21. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Genetically Modified foods
Famine
Advantages & Disadvantages of Subsurface mining
Smelting
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
Things people can do to avoid depleting minerals
Naturally occurring pesticides
Manmade nitrogen ertilizers
Manmade nitrogen fertilizers
23. 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
Strip mine
Nitrate
Adaptive Management
24. 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
Selective Cutting
Manmade nitrogen ertilizers
Biological control (alternative to pesticides)
Biological Control
25. 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
Surface mining
Risks of Bt Corn
Impact of Mountain-Top Removal
Tailings/ Gangue
26. 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
Overburden
Agricultural revolution and technology
Sustainable Forestry
Pest management
27. Clear cutting - Strip cutting - selective cutting
Risks of Bt Corn
Biological control (alternative to pesticides)
Effect of Monsanto on soybean farming since 1994
Types of forestry
28. The uniform planting of a single crop
Monoculture
Bt Corn
Clear-cutting
Mechanization/tractors/combines
29. 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.
Biological Control
Effect of Monsanto on soybean farming since 1994
Costs and downsides of purifying malachite
Sustainable Forestry
30. 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
Industrial Agriculture/ Factory Farming
Strip cutting
Slash and Burn
31. 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
Plowing
Strip cutting
Malnourishment
Agricultural revolution and technology
32. 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;
Strip cutting
Plowing
To purify copper from malachite
Advantages & Disadvantages of surface mining
33. Having not enough of something
Community supported agriculture (CSA)
Slag
Undernourishment
Advantages & Disadvantages of surface mining
34. Organic macromolecules hardest to provide during a famine
Protein (usually)
Impact of Mountain-Top Removal
Food security
Malnourishment
35. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Manmade nitrogen ertilizers
Genetically modified food
Biological control (alternative to pesticides)
Smelting
36. 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
Strip Cutting
Ecological services
Costs and downsides of purifying malachite
Effect of Monsanto on soybean farming since 1994
37. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Strip mine
Open pit mine
Smelting
Strip Cutting
38. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Undernourishment
Coal
Ecosystem-based Management
Food Aid
39. 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
Agricultural revolution and technology
Nitrate
Why malachite was originally left behind as tailing from copper mines
Acid mine drainage
40. Not enough of some vitamin/mineral/essential thing in food
Undernourishment/Marasmus
Plowing
Food Aid
Acid mine drainage
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
Types of surface mining
Clear cutting
Ore
Impact of Mountain-Top Removal
42. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Famine
Ore
Food security
What we can do to make forestry more sustainable
43. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Strip Cutting
Impact of Mountain-Top Removal
To purify copper from malachite
Genetically modified food
44. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Strip Cutting
What we can do to make forestry more sustainable
Integrated Pest Management (IPM)
Manure/compost
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
Bt Corn
Mountain-Top Removal
Biological control (alternative to pesticides)
Malnourishment
46. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Food security
Monoculture
Manmade nitrogen fertilizers
Manure/compost
47. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Undernourishment/Marasmus
Selective Cutting
Costs and downsides of purifying malachite
Clear-cutting
48. 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
Industrial Agriculture/ Factory Farming
Community supported agriculture (CSA)
Costs and downsides of purifying malachite
49. 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
Minerals
Strip Cutting
Community supported agriculture (CSA)
Ecosystem-based Management
50. 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
Bt Corn
Community supported agriculture (CSA)
How corn yield has changed in the United States since the 1920s
Maximum Sustainable Yield