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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. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Types of surface mining
Genetically modified food
What we can do to make forestry more sustainable
Sustainable Forestry
2. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Genetically Modified foods
Smelting
Strip cutting
Minerals
3. Organic macromolecules hardest to provide during a famine
Protein (usually)
What we can do to make forestry more sustainable
Types of forestry
Subsurface mining
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
Genetically modified food
Integrated Pest Management (IPM)
Why malachite was originally left behind as tailing from copper mines
5. 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
Strip cutting
Current Population/ 2100 projects of world population
Clear-cutting
Famine
6. Genetically engineered using recombinant DNA
Effect of Monsanto on soybean farming since 1994
Malnourishment/Kwashiorkor
Manmade nitrogen ertilizers
Genetically modified food
7. 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
To purify copper from malachite
Dangers of Biological control
Agricultural revolution and technology
Ore
8. 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
Biological Control
Fertilizers
Manmade nitrogen fertilizers
Acid mine drainage
9. Clear cutting - Strip cutting - selective cutting
Strip cutting
Types of forestry
Acid mine drainage
Agricultural revolution and technology
10. 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
Ore
Subsurface mining
Bt Corn
Why malachite was originally left behind as tailing from copper mines
11. 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
Advantages & Disadvantages of Subsurface mining
Clear-cutting
Manmade nitrogen ertilizers
12. 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
Selective cutting
Food security
Community supported agriculture (CSA)
Overburden
13. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Strip cutting
Manmade nitrogen fertilizers
Slag
Famine
14. Choosing valuable trees only - lots of reseeding - transportation is hard.
Fertilizers
Selective cutting
Acid mine drainage
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
15. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Tailings/ Gangue
Fertilizers
Maximum Sustainable Yield
Smelting
16. 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.
Tailings/ Gangue
Subsurface mining
Effect of Monsanto on soybean farming since 1994
Current Population/ 2100 projects of world population
17. 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
Strip mine
Why malachite was originally left behind as tailing from copper mines
Sustainable Forestry
18. 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.
Fertilizers
Effect of Monsanto on soybean farming since 1994
Ore
Artificial Organic compounds
19. 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
Pesticides
Effect of Monsanto on soybean farming since 1994
Types of forestry
Selective Cutting
20. 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
Types of surface mining
Integrated Pest Management (IPM)
Lesson from Food Inc
Biological control (alternative to pesticides)
21. Worthless material that surrounds a wanted mineral in an ore deposit.
Industrial Agriculture/ Factory Farming
Impact of Mountain-Top Removal
Biological Control
Tailings/ Gangue
22. 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
Types of surface mining
Mechanization/tractors/combines
Undernourishment
23. 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
Minerals
Naturally occurring pesticides
Clear cutting
Clear-cutting
24. 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
Impact of Mountain-Top Removal
Coal
Maximum Sustainable Yield
Open pit mine
25. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Agricultural revolution and technology
Strip mine
Strip Cutting
Plowing
26. Having not enough of something
Biological control (alternative to pesticides)
Mountain-Top Removal
Undernourishment
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
27. Solid waste from smelts
Smelting
Slag
To purify copper from malachite
Monoculture
28. 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.
Sustainable Forestry
Community garden
Manure/compost
Surface mining
29. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Slash and Burn
Pest management
Manmade nitrogen ertilizers
Plowing
30. 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
Ore
Risks of Bt Corn
Fertilizers
Slag
31. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Manure/compost
Agricultural revolution and technology
Tailings/ Gangue
Food Aid
32. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Coal
Selective cutting
Slag
Fertilizers
33. A single piece of land gardened collectively by a group of people.
To purify copper from malachite
Genetically modified food
Food security
Community garden
34. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Overburden
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Clear cutting
Industrial Agriculture/ Factory Farming
35. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Food Aid
Artificial Organic compounds
Bt Corn
Risks of Bt Corn
36. One farmer=100 eaters.
Selective cutting
Tailings/ Gangue
Lesson from Food Inc
Strip mine
37. 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
Surface Mining Control and Reclamation Act of 1977
To purify copper from malachite
How corn yield has changed in the United States since the 1920s
Smelting
38. 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
Surface mining
Adaptive Management
Overburden
Effect of Monsanto on soybean farming since 1994
39. The surface soil that must be moved away to get at coal seams and mineral deposits
Monoculture
Strip cutting
Overburden
Advantages & Disadvantages of surface mining
40. - the turning and loosening of soil for the planting of crops
Ecological services
Malnourishment/Kwashiorkor
How corn yield has changed in the United States since the 1920s
Plowing
41. Completely missing something
Manure/compost
Malnourishment
Dangers of Biological control
Genetically modified food
42. 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
Ecosystem-based Management
Genetically modified food
Biological Control
Pest management
43. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Types of forestry
Open pit mine
Selective Cutting
Artificial Organic compounds
44. 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
Integrated Pest Management (IPM)
Ecological services
Adaptive Management
Things people can do to avoid depleting minerals
45. 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
Subsurface mining
Dangers of Biological control
Ecosystem-based Management
Integrated Pest Management (IPM)
46. 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.
Ecosystem-based Management
Subsurface mining
Impact of Mountain-Top Removal
Current Population/ 2100 projects of world population
47. Strip mining - open pit mining - mountain top removal
Overburden
Types of surface mining
Effect of Monsanto on soybean farming since 1994
Clear cutting
48. 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
Ecosystem-based Management
Artificial Organic compounds
Types of forestry
49. Completely missing something acquired from food; usually protein or vitamin C
Manure/compost
Maximum Sustainable Yield
Malnourishment/Kwashiorkor
Protein (usually)
50. 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
Impact of Mountain-Top Removal
Monoculture
Subsurface mining
Slash and Burn