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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. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Mechanization/tractors/combines
Advantages & Disadvantages of surface mining
Tailings/ Gangue
Biological Control
2. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
What we can do to make forestry more sustainable
Open pit mine
Food security
Strip cutting
3. 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
Strip cutting
Strip Cutting
Bt Corn
Selective Cutting
4. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Biological Control
Nitrate
Smelting
Strip Cutting
5. A single piece of land gardened collectively by a group of people.
Manure/compost
Community garden
Agricultural revolution and technology
Selective cutting
6. 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
Bt Corn
Open pit mine
Ecological services
Why malachite was originally left behind as tailing from copper mines
7. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Minerals
Sustainable Forestry
Economic services
Manure/compost
8. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Types of surface mining
Maximum Sustainable Yield
Slash and Burn
Pesticides
9. 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
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Slash and Burn
Pest management
10. 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
Strip mine
Open pit mine
Fertilizers
11. 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
To purify copper from malachite
Pest management
Why malachite was originally left behind as tailing from copper mines
Advantages & Disadvantages of Subsurface mining
12. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Community supported agriculture (CSA)
Food Aid
Subsurface mining
Tailings/ Gangue
13. 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
Overburden
Bt Corn
Ecosystem-based Management
Pesticides
14. Strip mining - open pit mining - mountain top removal
Mountain-Top Removal
Types of surface mining
Things people can do to avoid depleting minerals
Risks of Bt Corn
15. Worthless material that surrounds a wanted mineral in an ore deposit.
Nitrate
Famine
Tailings/ Gangue
Pesticides
16. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Pesticides
Integrated Pest Management (IPM)
Effect of Monsanto on soybean farming since 1994
Famine
17. Clear cutting - Strip cutting - selective cutting
Types of forestry
How corn yield has changed in the United States since the 1920s
Lesson from Food Inc
Naturally occurring pesticides
18. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Dangers of Biological control
Community garden
Strip Cutting
Biological Control
19. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Slash and Burn
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Plowing
Selective Cutting
20. 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.
Ecosystem-based Management
Ecological services
Surface mining
Sustainable Forestry
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
Tailings/ Gangue
Dangers of Biological control
How corn yield has changed in the United States since the 1920s
Risks of Bt Corn
22. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Mechanization/tractors/combines
Undernourishment
Manmade nitrogen fertilizers
Coal
23. 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
Costs and downsides of purifying malachite
Undernourishment
Risks of Bt Corn
Ore
24. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Strip mine
Pesticides
Manmade nitrogen fertilizers
25. - the turning and loosening of soil for the planting of crops
Plowing
Adaptive Management
Tailings/ Gangue
Surface Mining Control and Reclamation Act of 1977
26. Organic macromolecules hardest to provide during a famine
How corn yield has changed in the United States since the 1920s
Protein (usually)
Community garden
Minerals
27. 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
Slash and Burn
Strip mine
Malnourishment/Kwashiorkor
28. 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
Acid mine drainage
Nitrate
Adaptive Management
Strip cutting
29. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Undernourishment
Manmade nitrogen fertilizers
Current Population/ 2100 projects of world population
Selective Cutting
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
Ecosystem-based Management
Clear-cutting
Open pit mine
Artificial Organic compounds
31. Choosing valuable trees only - lots of reseeding - transportation is hard.
Selective cutting
Integrated Pest Management (IPM)
Mechanization/tractors/combines
Why malachite was originally left behind as tailing from copper mines
32. 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
Ecological services
Agricultural revolution and technology
To purify copper from malachite
Adaptive Management
33. 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
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Selective cutting
Pest management
Plowing
34. 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
Genetically Modified foods
Manmade nitrogen ertilizers
Types of surface mining
Maximum Sustainable Yield
35. 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.
Current Population/ 2100 projects of world population
Strip mine
Integrated Pest Management (IPM)
Advantages & Disadvantages of Subsurface mining
36. 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.
Advantages & Disadvantages of surface mining
Mountain-Top Removal
Surface Mining Control and Reclamation Act of 1977
Dangers of Biological control
37. Solid waste from smelts
Undernourishment
Selective cutting
Integrated Pest Management (IPM)
Slag
38. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
How corn yield has changed in the United States since the 1920s
Advantages & Disadvantages of Subsurface mining
Costs and downsides of purifying malachite
Famine
39. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Bt Corn
Clear cutting
Famine
Manmade nitrogen ertilizers
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
What we can do to make forestry more sustainable
Integrated Pest Management (IPM)
Mountain-Top Removal
Slash and Burn
41. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Clear cutting
Surface Mining Control and Reclamation Act of 1977
Costs and downsides of purifying malachite
Strip cutting
42. 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.
Surface mining
Ore
Minerals
Manmade nitrogen fertilizers
43. 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
Strip cutting
Naturally occurring pesticides
Pesticides
44. Completely missing something
Bt Corn
Economic services
Sustainable Forestry
Malnourishment
45. 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
Coal
Pesticides
Pest management
46. Not enough of some vitamin/mineral/essential thing in food
Undernourishment/Marasmus
Biological Control
Advantages & Disadvantages of Subsurface mining
Biological control (alternative to pesticides)
47. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
How corn yield has changed in the United States since the 1920s
Strip mine
Surface Mining Control and Reclamation Act of 1977
Ore
48. 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
Sustainable Forestry
Acid mine drainage
Overburden
Advantages & Disadvantages of surface mining
49. The uniform planting of a single crop
Integrated Pest Management (IPM)
Current Population/ 2100 projects of world population
To purify copper from malachite
Monoculture
50. Technology was not able to profitably remove the copper from the malachite
Industrial Agriculture/ Factory Farming
Monoculture
Ecological services
Why malachite was originally left behind as tailing from copper mines