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Test your basic knowledge |
DSST Environmental Science: Land Use
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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. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Food security
Adaptive Management
Artificial Organic compounds
Naturally occurring pesticides
2. 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
Manmade nitrogen ertilizers
Community garden
Strip Cutting
Surface mining
3. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Smelting
Plowing
Nitrate
Clear cutting
4. Technology was not able to profitably remove the copper from the malachite
Surface mining
Why malachite was originally left behind as tailing from copper mines
Genetically Modified foods
Selective Cutting
5. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Integrated Pest Management (IPM)
Genetically modified food
Manmade nitrogen ertilizers
What we can do to make forestry more sustainable
6. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
What we can do to make forestry more sustainable
Mountain-Top Removal
Smelting
Pesticides
7. 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
Integrated Pest Management (IPM)
To purify copper from malachite
Overburden
Lesson from Food Inc
8. Organic macromolecules hardest to provide during a famine
Effect of Monsanto on soybean farming since 1994
Protein (usually)
Plowing
Manmade nitrogen ertilizers
9. 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
Ecological services
Maximum Sustainable Yield
What we can do to make forestry more sustainable
Artificial Organic compounds
10. Worthless material that surrounds a wanted mineral in an ore deposit.
Ore
Adaptive Management
Lesson from Food Inc
Tailings/ Gangue
11. 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
Ecosystem-based Management
Impact of Mountain-Top Removal
Famine
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
Coal
Sustainable Forestry
Adaptive Management
Ore
13. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Lesson from Food Inc
Manure/compost
Costs and downsides of purifying malachite
To purify copper from malachite
14. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Surface mining
Types of forestry
What we can do to make forestry more sustainable
Risks of Bt Corn
15. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Monoculture
Overburden
Integrated Pest Management (IPM)
16. 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;
Lesson from Food Inc
Advantages & Disadvantages of surface mining
Protein (usually)
Smelting
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
Strip mine
Ecosystem-based Management
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
18. 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
Clear-cutting
Types of surface mining
Manmade nitrogen fertilizers
Dangers of Biological control
19. 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
Undernourishment
Biological control (alternative to pesticides)
Types of surface mining
Types of forestry
20. Choosing valuable trees only - lots of reseeding - transportation is hard.
To purify copper from malachite
Integrated Pest Management (IPM)
Undernourishment
Selective cutting
21. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Minerals
Advantages & Disadvantages of surface mining
Fertilizers
Clear-cutting
22. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Clear cutting
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Selective cutting
Biological Control
23. 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
Plowing
Ecological services
Strip mine
24. Completely missing something acquired from food; usually protein or vitamin C
Malnourishment/Kwashiorkor
Subsurface mining
Surface mining
Strip Cutting
25. 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
Food security
Integrated Pest Management (IPM)
Undernourishment/Marasmus
26. 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
Ecosystem-based Management
Coal
Ore
27. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Fertilizers
Food Aid
Coal
Types of forestry
28. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Manure/compost
Pest management
Maximum Sustainable Yield
Famine
29. Completely missing something
Types of surface mining
Economic services
Effect of Monsanto on soybean farming since 1994
Malnourishment
30. 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
Advantages & Disadvantages of Subsurface mining
Mechanization/tractors/combines
Tailings/ Gangue
Bt Corn
31. 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
Clear cutting
Selective cutting
Artificial Organic compounds
Economic services
32. One farmer=100 eaters.
Lesson from Food Inc
Food Aid
Advantages & Disadvantages of surface mining
Malnourishment/Kwashiorkor
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
Pest management
Effect of Monsanto on soybean farming since 1994
Overburden
Lesson from Food Inc
34. 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
Undernourishment/Marasmus
Things people can do to avoid depleting minerals
Undernourishment
Risks of Bt Corn
35. The surface soil that must be moved away to get at coal seams and mineral deposits
Overburden
Naturally occurring pesticides
Undernourishment
Clear cutting
36. Not enough of some vitamin/mineral/essential thing in food
Lesson from Food Inc
Protein (usually)
Undernourishment/Marasmus
Undernourishment
37. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Industrial Agriculture/ Factory Farming
Manmade nitrogen fertilizers
What we can do to make forestry more sustainable
How corn yield has changed in the United States since the 1920s
38. Clear cutting - Strip cutting - selective cutting
Manure/compost
Clear-cutting
Types of forestry
Ecosystem-based Management
39. 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
Strip mine
Tailings/ Gangue
Types of surface mining
40. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Genetically Modified foods
Current Population/ 2100 projects of world population
Manmade nitrogen fertilizers
Selective Cutting
41. A single piece of land gardened collectively by a group of people.
Community garden
Sustainable Forestry
Acid mine drainage
Impact of Mountain-Top Removal
42. 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.
Malnourishment/Kwashiorkor
To purify copper from malachite
Current Population/ 2100 projects of world population
Surface Mining Control and Reclamation Act of 1977
43. 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
Undernourishment/Marasmus
Naturally occurring pesticides
Community supported agriculture (CSA)
Advantages & Disadvantages of surface mining
44. 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.
Current Population/ 2100 projects of world population
Ore
Agricultural revolution and technology
Slag
45. 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
Advantages & Disadvantages of surface mining
Malnourishment
Coal
46. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Food Aid
Naturally occurring pesticides
Pesticides
Ecological services
47. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Economic services
Selective Cutting
Selective cutting
Strip mine
48. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Advantages & Disadvantages of surface mining
Strip Cutting
Current Population/ 2100 projects of world population
Mechanization/tractors/combines
49. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Surface mining
Ecological services
Advantages & Disadvantages of Subsurface mining
Nitrate
50. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Clear cutting
Food Aid
Malnourishment
Sustainable Forestry