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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. 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
Strip Cutting
Current Population/ 2100 projects of world population
Open pit mine
2. Strip mining - open pit mining - mountain top removal
Selective cutting
Strip cutting
Agricultural revolution and technology
Types of surface mining
3. 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
Monoculture
Mechanization/tractors/combines
Naturally occurring pesticides
Impact of Mountain-Top Removal
4. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Current Population/ 2100 projects of world population
Strip Cutting
Smelting
Risks of Bt Corn
5. Genetically engineered using recombinant DNA
Manure/compost
Genetically modified food
Types of forestry
Mechanization/tractors/combines
6. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Food Aid
Tailings/ Gangue
Minerals
Selective Cutting
7. Technology was not able to profitably remove the copper from the malachite
Mountain-Top Removal
Why malachite was originally left behind as tailing from copper mines
Costs and downsides of purifying malachite
Biological Control
8. Clear cutting - Strip cutting - selective cutting
Selective cutting
Overburden
Types of forestry
Coal
9. 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
Types of forestry
Biological Control
Surface mining
Strip Cutting
10. 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
Pesticides
Protein (usually)
Strip Cutting
11. 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
Maximum Sustainable Yield
What we can do to make forestry more sustainable
Mechanization/tractors/combines
Undernourishment/Marasmus
12. 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
Community supported agriculture (CSA)
Fertilizers
Strip cutting
Undernourishment/Marasmus
13. -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
Integrated Pest Management (IPM)
Tailings/ Gangue
Industrial Agriculture/ Factory Farming
Genetically modified food
14. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Economic services
Undernourishment
Malnourishment/Kwashiorkor
Clear-cutting
15. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Mechanization/tractors/combines
Advantages & Disadvantages of surface mining
Genetically Modified foods
Biological Control
16. 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
Selective cutting
Types of forestry
Integrated Pest Management (IPM)
Pest management
17. One farmer=100 eaters.
Biological control (alternative to pesticides)
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Risks of Bt Corn
Lesson from Food Inc
18. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Things people can do to avoid depleting minerals
Current Population/ 2100 projects of world population
Ecological services
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
19. 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;
Advantages & Disadvantages of surface mining
Coal
Integrated Pest Management (IPM)
Economic services
20. 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
Tailings/ Gangue
Agricultural revolution and technology
Bt Corn
Naturally occurring pesticides
21. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Mechanization/tractors/combines
Strip mine
Manure/compost
Economic services
22. 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
Things people can do to avoid depleting minerals
Biological Control
Advantages & Disadvantages of Subsurface mining
Undernourishment/Marasmus
23. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Coal
Community garden
Things people can do to avoid depleting minerals
Genetically modified food
24. A single piece of land gardened collectively by a group of people.
Coal
Integrated Pest Management (IPM)
Selective cutting
Community garden
25. 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)
Agricultural revolution and technology
Protein (usually)
Things people can do to avoid depleting minerals
26. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Minerals
Clear-cutting
Impact of Mountain-Top Removal
Biological Control
27. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Sustainable Forestry
Selective Cutting
Integrated Pest Management (IPM)
Ecological services
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.
What we can do to make forestry more sustainable
Bt Corn
Surface mining
Sustainable Forestry
29. 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
Economic services
Biological control (alternative to pesticides)
Integrated Pest Management (IPM)
30. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Sustainable Forestry
Selective Cutting
Artificial Organic compounds
Clear cutting
31. - the turning and loosening of soil for the planting of crops
Undernourishment
What we can do to make forestry more sustainable
Plowing
Tailings/ Gangue
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
Why malachite was originally left behind as tailing from copper mines
Adaptive Management
Malnourishment
Artificial Organic compounds
33. 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
Selective Cutting
Surface Mining Control and Reclamation Act of 1977
Community supported agriculture (CSA)
34. Solid waste from smelts
Smelting
Mechanization/tractors/combines
Ecological services
Slag
35. The surface soil that must be moved away to get at coal seams and mineral deposits
Overburden
Community supported agriculture (CSA)
Advantages & Disadvantages of Subsurface mining
Clear-cutting
36. 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
Industrial Agriculture/ Factory Farming
Famine
Selective Cutting
Adaptive Management
37. 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
Maximum Sustainable Yield
Undernourishment/Marasmus
Clear cutting
38. 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
Surface mining
To purify copper from malachite
Undernourishment
Things people can do to avoid depleting minerals
39. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Current Population/ 2100 projects of world population
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Acid mine drainage
Sustainable Forestry
40. Not enough of some vitamin/mineral/essential thing in food
Ecological services
Naturally occurring pesticides
Monoculture
Undernourishment/Marasmus
41. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Minerals
Things people can do to avoid depleting minerals
Genetically Modified foods
Strip Cutting
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
Manure/compost
Subsurface mining
Surface Mining Control and Reclamation Act of 1977
Dangers of Biological control
43. 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
Undernourishment/Marasmus
Strip mine
Subsurface mining
44. 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
Community garden
Open pit mine
Sustainable Forestry
Risks of Bt Corn
45. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Acid mine drainage
Types of forestry
Food security
Strip mine
46. 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.
Nitrate
Artificial Organic compounds
Food Aid
Advantages & Disadvantages of surface mining
47. Having not enough of something
Pest management
How corn yield has changed in the United States since the 1920s
Undernourishment
Ore
48. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Genetically Modified foods
Malnourishment
Malnourishment/Kwashiorkor
Costs and downsides of purifying malachite
49. 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
Plowing
Clear-cutting
Acid mine drainage
Advantages & Disadvantages of surface mining
50. 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.
Effect of Monsanto on soybean farming since 1994
Protein (usually)
Industrial Agriculture/ Factory Farming
Subsurface mining