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Test your basic knowledge |
DSST Environmental Science: Land Use
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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
Artificial Organic compounds
Selective Cutting
Manmade nitrogen fertilizers
Genetically modified food
2. 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
To purify copper from malachite
Minerals
Advantages & Disadvantages of surface mining
3. Strip mining - open pit mining - mountain top removal
Monoculture
Types of surface mining
Biological control (alternative to pesticides)
Strip Cutting
4. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Maximum Sustainable Yield
Famine
Naturally occurring pesticides
Strip mine
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
Surface Mining Control and Reclamation Act of 1977
Integrated Pest Management (IPM)
Overburden
Bt Corn
6. Clear cutting - Strip cutting - selective cutting
Minerals
Strip Cutting
Types of forestry
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
7. 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
Pest management
Surface mining
Food security
Biological control (alternative to pesticides)
8. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Costs and downsides of purifying malachite
Food Aid
Manmade nitrogen ertilizers
Tailings/ Gangue
9. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Food security
Protein (usually)
Dangers of Biological control
Monoculture
10. 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
Agricultural revolution and technology
Selective Cutting
Things people can do to avoid depleting minerals
Minerals
11. -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
Sustainable Forestry
Community garden
Industrial Agriculture/ Factory Farming
Strip mine
12. 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.
Current Population/ 2100 projects of world population
Malnourishment/Kwashiorkor
Nitrate
Bt Corn
13. 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
Open pit mine
Economic services
To purify copper from malachite
Selective Cutting
14. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Overburden
Strip Cutting
Why malachite was originally left behind as tailing from copper mines
Agricultural revolution and technology
15. 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.
Advantages & Disadvantages of Subsurface mining
Effect of Monsanto on soybean farming since 1994
Current Population/ 2100 projects of world population
Why malachite was originally left behind as tailing from copper mines
16. The surface soil that must be moved away to get at coal seams and mineral deposits
Overburden
Effect of Monsanto on soybean farming since 1994
Clear-cutting
Adaptive Management
17. Solid waste from smelts
Community supported agriculture (CSA)
Slag
Manmade nitrogen fertilizers
Integrated Pest Management (IPM)
18. 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
Costs and downsides of purifying malachite
Malnourishment/Kwashiorkor
Coal
19. 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
Surface mining
Strip mine
Fertilizers
Genetically modified food
20. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Overburden
Monoculture
Artificial Organic compounds
Minerals
21. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Pesticides
Ecological services
How corn yield has changed in the United States since the 1920s
To purify copper from malachite
22. Technology was not able to profitably remove the copper from the malachite
Why malachite was originally left behind as tailing from copper mines
Sustainable Forestry
Impact of Mountain-Top Removal
Clear-cutting
23. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Genetically modified food
Biological Control
Strip mine
Biological control (alternative to pesticides)
24. 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
Risks of Bt Corn
Sustainable Forestry
Surface mining
Advantages & Disadvantages of Subsurface mining
25. Worthless material that surrounds a wanted mineral in an ore deposit.
Manure/compost
Advantages & Disadvantages of surface mining
Community supported agriculture (CSA)
Tailings/ Gangue
26. 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
Acid mine drainage
Monoculture
Pesticides
Sustainable Forestry
27. Completely missing something acquired from food; usually protein or vitamin C
Naturally occurring pesticides
Food security
Malnourishment/Kwashiorkor
Effect of Monsanto on soybean farming since 1994
28. - the turning and loosening of soil for the planting of crops
Genetically modified food
Selective Cutting
Strip mine
Plowing
29. 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
Pesticides
Sustainable Forestry
Risks of Bt Corn
Maximum Sustainable Yield
30. 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
Food security
Manmade nitrogen fertilizers
Undernourishment/Marasmus
31. 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
Plowing
Food security
Artificial Organic compounds
Selective Cutting
32. 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
Ecosystem-based Management
Integrated Pest Management (IPM)
Community garden
Plowing
33. 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.
Ore
Famine
Open pit mine
Mountain-Top Removal
34. 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
Clear-cutting
Artificial Organic compounds
Minerals
Undernourishment/Marasmus
35. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Mechanization/tractors/combines
Integrated Pest Management (IPM)
Biological Control
Ecological services
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
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Economic services
How corn yield has changed in the United States since the 1920s
Effect of Monsanto on soybean farming since 1994
37. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Coal
What we can do to make forestry more sustainable
Pest management
Overburden
38. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Risks of Bt Corn
Monoculture
Manmade nitrogen ertilizers
What we can do to make forestry more sustainable
39. 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
Ecosystem-based Management
Nitrate
Strip cutting
Artificial Organic compounds
40. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Impact of Mountain-Top Removal
Slash and Burn
What we can do to make forestry more sustainable
Surface mining
41. 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
Surface Mining Control and Reclamation Act of 1977
Agricultural revolution and technology
Why malachite was originally left behind as tailing from copper mines
42. 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
Nitrate
Dangers of Biological control
Clear-cutting
Biological Control
43. Completely missing something
Malnourishment
Artificial Organic compounds
To purify copper from malachite
Community garden
44. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Biological Control
Genetically modified food
Pesticides
Bt Corn
45. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Ore
Slash and Burn
How corn yield has changed in the United States since the 1920s
Sustainable Forestry
46. 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)
Things people can do to avoid depleting minerals
Selective cutting
Clear-cutting
47. 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.
Genetically modified food
Food security
Surface Mining Control and Reclamation Act of 1977
Manure/compost
48. Not enough of some vitamin/mineral/essential thing in food
Strip cutting
Undernourishment/Marasmus
Lesson from Food Inc
Manure/compost
49. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Maximum Sustainable Yield
Artificial Organic compounds
Smelting
Sustainable Forestry
50. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Bt Corn
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
Strip cutting