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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
Slag
Protein (usually)
Ore
2. The uniform planting of a single crop
Sustainable Forestry
Genetically modified food
Monoculture
Artificial Organic compounds
3. 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
Adaptive Management
Selective cutting
Things people can do to avoid depleting minerals
Sustainable Forestry
4. 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
Surface Mining Control and Reclamation Act of 1977
Strip cutting
Malnourishment/Kwashiorkor
Smelting
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
Pest management
Minerals
Selective Cutting
Artificial Organic compounds
6. 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.
Smelting
Nitrate
Ore
Open pit mine
7. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
How corn yield has changed in the United States since the 1920s
Costs and downsides of purifying malachite
Ecosystem-based Management
Famine
8. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Naturally occurring pesticides
Surface Mining Control and Reclamation Act of 1977
Economic services
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
9. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Manmade nitrogen fertilizers
Smelting
Acid mine drainage
Manmade nitrogen ertilizers
10. 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.
Costs and downsides of purifying malachite
Ecological services
Ecosystem-based Management
Nitrate
11. Genetically engineered using recombinant DNA
Pest management
Genetically modified food
Undernourishment
Mountain-Top Removal
12. 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
Lesson from Food Inc
Selective Cutting
Adaptive Management
Costs and downsides of purifying malachite
13. 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
Mechanization/tractors/combines
Slag
Selective cutting
Surface mining
14. 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
Coal
Subsurface mining
Mountain-Top Removal
Acid mine drainage
15. Choosing valuable trees only - lots of reseeding - transportation is hard.
Malnourishment
Selective cutting
Sustainable Forestry
Overburden
16. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Selective cutting
Manure/compost
Advantages & Disadvantages of Subsurface mining
Nitrate
17. 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
Biological control (alternative to pesticides)
Industrial Agriculture/ Factory Farming
Ecosystem-based Management
Pest management
18. 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
Slag
Biological control (alternative to pesticides)
Slash and Burn
Minerals
19. Having not enough of something
Manure/compost
Strip Cutting
Ecosystem-based Management
Undernourishment
20. Completely missing something
Malnourishment
Impact of Mountain-Top Removal
Mechanization/tractors/combines
Strip cutting
21. 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
Industrial Agriculture/ Factory Farming
Ecosystem-based Management
Food security
Dangers of Biological control
22. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Integrated Pest Management (IPM)
What we can do to make forestry more sustainable
Plowing
Nitrate
23. 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
Minerals
How corn yield has changed in the United States since the 1920s
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
24. 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
Why malachite was originally left behind as tailing from copper mines
Monoculture
Community supported agriculture (CSA)
Dangers of Biological control
25. 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
Ecosystem-based Management
Selective Cutting
Smelting
Lesson from Food Inc
26. Not enough of some vitamin/mineral/essential thing in food
Sustainable Forestry
Food security
Undernourishment/Marasmus
Industrial Agriculture/ Factory Farming
27. Worthless material that surrounds a wanted mineral in an ore deposit.
Adaptive Management
Industrial Agriculture/ Factory Farming
Tailings/ Gangue
Slag
28. 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
Integrated Pest Management (IPM)
Famine
Mountain-Top Removal
Naturally occurring pesticides
29. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Selective cutting
Pesticides
What we can do to make forestry more sustainable
Strip Cutting
30. Organic macromolecules hardest to provide during a famine
Genetically modified food
Protein (usually)
Clear cutting
Lesson from Food Inc
31. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Mechanization/tractors/combines
Malnourishment/Kwashiorkor
Economic services
Undernourishment
32. Clear cutting - Strip cutting - selective cutting
Mountain-Top Removal
Smelting
Dangers of Biological control
Types of forestry
33. The surface soil that must be moved away to get at coal seams and mineral deposits
Overburden
Food security
Ore
Clear-cutting
34. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Protein (usually)
Ecological services
Biological control (alternative to pesticides)
Slash and Burn
35. 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.
Maximum Sustainable Yield
Sustainable Forestry
Malnourishment
Malnourishment/Kwashiorkor
36. - the turning and loosening of soil for the planting of crops
Malnourishment/Kwashiorkor
Types of forestry
Plowing
Why malachite was originally left behind as tailing from copper mines
37. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
What we can do to make forestry more sustainable
Genetically Modified foods
Minerals
Pesticides
38. 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
Acid mine drainage
Protein (usually)
Bt Corn
Advantages & Disadvantages of Subsurface mining
39. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Mechanization/tractors/combines
Sustainable Forestry
Genetically Modified foods
Smelting
40. 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;
Famine
Selective Cutting
Advantages & Disadvantages of surface mining
Impact of Mountain-Top Removal
41. 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
Community supported agriculture (CSA)
Malnourishment/Kwashiorkor
Nitrate
42. Completely missing something acquired from food; usually protein or vitamin C
Undernourishment
Industrial Agriculture/ Factory Farming
Advantages & Disadvantages of Subsurface mining
Malnourishment/Kwashiorkor
43. 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
Naturally occurring pesticides
Impact of Mountain-Top Removal
Ecosystem-based Management
Pest management
44. Technology was not able to profitably remove the copper from the malachite
Food Aid
Protein (usually)
Why malachite was originally left behind as tailing from copper mines
Monoculture
45. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Types of forestry
Naturally occurring pesticides
Clear cutting
Manmade nitrogen ertilizers
46. 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
Advantages & Disadvantages of surface mining
Maximum Sustainable Yield
Current Population/ 2100 projects of world population
Genetically Modified foods
47. 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
Lesson from Food Inc
Tailings/ Gangue
Undernourishment/Marasmus
48. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Manmade nitrogen ertilizers
Smelting
What we can do to make forestry more sustainable
Coal
49. 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
Selective Cutting
To purify copper from malachite
Open pit mine
50. Controversial logging practice where all trees in an area are uniformly cut down - used by foresters to create certain types of forest ecosystems and to promote select species that requires an abudnace of sunlight or grow in large - even--age stands
Slash and Burn
Clear-cutting
Strip Cutting
Selective cutting