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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. 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
Mountain-Top Removal
Malnourishment
Costs and downsides of purifying malachite
Selective Cutting
2. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Pest management
Manmade nitrogen fertilizers
Why malachite was originally left behind as tailing from copper mines
Community supported agriculture (CSA)
3. Technology was not able to profitably remove the copper from the malachite
Advantages & Disadvantages of surface mining
Food security
Things people can do to avoid depleting minerals
Why malachite was originally left behind as tailing from copper mines
4. 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.
What we can do to make forestry more sustainable
Current Population/ 2100 projects of world population
Undernourishment/Marasmus
Ore
5. Genetically engineered using recombinant DNA
Famine
Ecosystem-based Management
Malnourishment
Genetically modified food
6. Worthless material that surrounds a wanted mineral in an ore deposit.
Sustainable Forestry
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Tailings/ Gangue
Malnourishment
7. 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
Things people can do to avoid depleting minerals
Bt Corn
Pest management
Acid mine drainage
8. 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.
Nitrate
Lesson from Food Inc
Genetically Modified foods
Sustainable Forestry
9. Choosing valuable trees only - lots of reseeding - transportation is hard.
Advantages & Disadvantages of surface mining
Genetically Modified foods
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Selective cutting
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
Surface Mining Control and Reclamation Act of 1977
Bt Corn
Ore
Subsurface mining
11. 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
Protein (usually)
To purify copper from malachite
Community garden
Manure/compost
12. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Food Aid
Ore
Famine
Adaptive Management
13. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Clear cutting
Ecological services
Economic services
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
14. 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
Slash and Burn
Undernourishment
Genetically modified food
Adaptive Management
15. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Sustainable Forestry
Smelting
Economic services
Malnourishment
16. 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
Types of forestry
Ore
Maximum Sustainable Yield
Ecosystem-based Management
17. 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
Mountain-Top Removal
Agricultural revolution and technology
Strip mine
Open pit mine
18. Organic macromolecules hardest to provide during a famine
Ecosystem-based Management
Slag
Protein (usually)
Monoculture
19. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Undernourishment
Slag
Strip Cutting
Things people can do to avoid depleting minerals
20. 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
Protein (usually)
Costs and downsides of purifying malachite
Manmade nitrogen ertilizers
Maximum Sustainable Yield
21. 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
Ecological services
Biological control (alternative to pesticides)
Monoculture
Advantages & Disadvantages of surface mining
22. 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
Food security
Acid mine drainage
Ore
Strip cutting
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
Industrial Agriculture/ Factory Farming
Slag
Coal
Risks of Bt Corn
24. 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
Mountain-Top Removal
Economic services
Famine
Minerals
25. 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
Ore
Undernourishment
Things people can do to avoid depleting minerals
Pest management
26. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Sustainable Forestry
Things people can do to avoid depleting minerals
Economic services
Open pit mine
27. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Slag
Selective Cutting
Manure/compost
Naturally occurring pesticides
28. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Maximum Sustainable Yield
Biological Control
Mountain-Top Removal
Slash and Burn
29. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Food security
Minerals
Manmade nitrogen ertilizers
Clear cutting
30. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Overburden
Costs and downsides of purifying malachite
Genetically modified food
Naturally occurring pesticides
31. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Acid mine drainage
Coal
Slash and Burn
Effect of Monsanto on soybean farming since 1994
32. 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
Manure/compost
Artificial Organic compounds
Maximum Sustainable Yield
Dangers of Biological control
33. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Ore
Open pit mine
Maximum Sustainable Yield
34. - the turning and loosening of soil for the planting of crops
Risks of Bt Corn
Things people can do to avoid depleting minerals
Why malachite was originally left behind as tailing from copper mines
Plowing
35. 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 Subsurface mining
Economic services
Famine
36. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
To purify copper from malachite
Selective Cutting
Genetically modified food
Pesticides
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
How corn yield has changed in the United States since the 1920s
Smelting
Overburden
Lesson from Food Inc
38. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Biological Control
Impact of Mountain-Top Removal
Industrial Agriculture/ Factory Farming
Selective cutting
39. 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
Why malachite was originally left behind as tailing from copper mines
Artificial Organic compounds
Integrated Pest Management (IPM)
40. 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
Genetically Modified foods
Bt Corn
Clear-cutting
Protein (usually)
41. Completely missing something acquired from food; usually protein or vitamin C
Clear cutting
Undernourishment/Marasmus
Malnourishment/Kwashiorkor
Maximum Sustainable Yield
42. Solid waste from smelts
Biological Control
Impact of Mountain-Top Removal
Slag
Bt Corn
43. Strip mining - open pit mining - mountain top removal
Selective cutting
What we can do to make forestry more sustainable
Types of surface mining
Surface mining
44. 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
Malnourishment
Fertilizers
Impact of Mountain-Top Removal
Advantages & Disadvantages of Subsurface mining
45. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Lesson from Food Inc
Biological Control
Selective Cutting
Minerals
46. 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
Clear-cutting
Slash and Burn
Coal
47. 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.
Agricultural revolution and technology
Subsurface mining
Artificial Organic compounds
Ecosystem-based Management
48. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Types of forestry
Pest management
Undernourishment/Marasmus
Integrated Pest Management (IPM)
49. 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
Tailings/ Gangue
Famine
Genetically Modified foods
Advantages & Disadvantages of Subsurface mining
50. A single piece of land gardened collectively by a group of people.
Community garden
Pest management
Undernourishment
Genetically modified food