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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. 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
Maximum Sustainable Yield
Genetically Modified foods
Agricultural revolution and technology
Smelting
2. 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.
Surface Mining Control and Reclamation Act of 1977
Risks of Bt Corn
Advantages & Disadvantages of surface mining
Mechanization/tractors/combines
3. Completely missing something
Lesson from Food Inc
Naturally occurring pesticides
How corn yield has changed in the United States since the 1920s
Malnourishment
4. 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.
Naturally occurring pesticides
Sustainable Forestry
Smelting
Plowing
5. Clear cutting - Strip cutting - selective cutting
Advantages & Disadvantages of surface mining
Effect of Monsanto on soybean farming since 1994
Protein (usually)
Types of forestry
6. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Why malachite was originally left behind as tailing from copper mines
Manure/compost
Surface mining
Ecosystem-based Management
7. 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
Open pit mine
Agricultural revolution and technology
Bt Corn
Tailings/ Gangue
8. 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
Open pit mine
Mountain-Top Removal
Effect of Monsanto on soybean farming since 1994
Advantages & Disadvantages of surface mining
9. 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
Effect of Monsanto on soybean farming since 1994
To purify copper from malachite
Clear-cutting
Costs and downsides of purifying malachite
10. Technology was not able to profitably remove the copper from the malachite
Genetically modified food
Minerals
Why malachite was originally left behind as tailing from copper mines
Surface Mining Control and Reclamation Act of 1977
11. 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
Costs and downsides of purifying malachite
Smelting
Why malachite was originally left behind as tailing from copper mines
Acid mine drainage
12. - the turning and loosening of soil for the planting of crops
Coal
Clear cutting
Plowing
Fertilizers
13. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Costs and downsides of purifying malachite
What we can do to make forestry more sustainable
Selective cutting
Overburden
14. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Coal
Clear-cutting
Protein (usually)
Artificial Organic compounds
15. Worthless material that surrounds a wanted mineral in an ore deposit.
Costs and downsides of purifying malachite
Tailings/ Gangue
Effect of Monsanto on soybean farming since 1994
Biological Control
16. 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
Things people can do to avoid depleting minerals
Selective Cutting
Food Aid
Effect of Monsanto on soybean farming since 1994
17. 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.
Subsurface mining
Food security
Selective cutting
To purify copper from malachite
18. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Mechanization/tractors/combines
Open pit mine
Undernourishment/Marasmus
Strip mine
19. Solid waste from smelts
Minerals
Slag
Food security
Agricultural revolution and technology
20. 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.
Types of forestry
Pesticides
Ore
Coal
21. Combination of different pest management techniques combined in a specific way best for the place they are being used.
To purify copper from malachite
Clear cutting
Pesticides
Integrated Pest Management (IPM)
22. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Slash and Burn
Biological Control
Genetically modified food
Food Aid
23. 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
Food Aid
Minerals
Protein (usually)
24. Strip mining - open pit mining - mountain top removal
Integrated Pest Management (IPM)
Current Population/ 2100 projects of world population
Types of surface mining
Monoculture
25. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Strip Cutting
Pest management
Protein (usually)
Surface Mining Control and Reclamation Act of 1977
26. 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
What we can do to make forestry more sustainable
Current Population/ 2100 projects of world population
Open pit mine
Dangers of Biological control
27. A single piece of land gardened collectively by a group of people.
Slash and Burn
Current Population/ 2100 projects of world population
Economic services
Community garden
28. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Strip mine
Minerals
Naturally occurring pesticides
Food security
29. Having not enough of something
Famine
Biological control (alternative to pesticides)
Open pit mine
Undernourishment
30. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Sustainable Forestry
Mountain-Top Removal
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Protein (usually)
31. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Undernourishment
How corn yield has changed in the United States since the 1920s
Ecosystem-based Management
Manmade nitrogen ertilizers
32. 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
Malnourishment
Costs and downsides of purifying malachite
Risks of Bt Corn
Adaptive Management
33. 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;
Biological Control
Costs and downsides of purifying malachite
Integrated Pest Management (IPM)
Advantages & Disadvantages of surface mining
34. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Artificial Organic compounds
Economic services
Mountain-Top Removal
Slash and Burn
35. 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
Agricultural revolution and technology
Genetically Modified foods
What we can do to make forestry more sustainable
36. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
To purify copper from malachite
Smelting
Artificial Organic compounds
Undernourishment/Marasmus
37. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Dangers of Biological control
Pest management
Slash and Burn
Food security
38. One farmer=100 eaters.
Biological control (alternative to pesticides)
Lesson from Food Inc
Selective Cutting
Manure/compost
39. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Economic services
Plowing
Naturally occurring pesticides
Genetically Modified foods
40. 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
Biological control (alternative to pesticides)
Strip cutting
What we can do to make forestry more sustainable
Pest management
41. 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.
Nitrate
Pest management
Famine
Industrial Agriculture/ Factory Farming
42. 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
Pesticides
Selective Cutting
Advantages & Disadvantages of surface mining
Things people can do to avoid depleting minerals
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
Things people can do to avoid depleting minerals
Naturally occurring pesticides
Strip Cutting
44. 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
What we can do to make forestry more sustainable
Ecosystem-based Management
Famine
Monoculture
45. Genetically engineered using recombinant DNA
Genetically modified food
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Open pit mine
Genetically Modified foods
46. The uniform planting of a single crop
Food Aid
Monoculture
Integrated Pest Management (IPM)
Industrial Agriculture/ Factory Farming
47. Organic macromolecules hardest to provide during a famine
Ore
Protein (usually)
Acid mine drainage
Surface Mining Control and Reclamation Act of 1977
48. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Strip mine
Integrated Pest Management (IPM)
Smelting
Open pit mine
49. -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
Slash and Burn
Minerals
Strip cutting
50. 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
Types of surface mining
Protein (usually)
Genetically Modified foods
To purify copper from malachite