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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. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Undernourishment/Marasmus
Manure/compost
Strip Cutting
Why malachite was originally left behind as tailing from copper mines
2. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Slash and Burn
Slag
Integrated Pest Management (IPM)
Open pit mine
3. 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
Things people can do to avoid depleting minerals
Slash and Burn
Genetically Modified foods
4. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Mechanization/tractors/combines
Naturally occurring pesticides
Monoculture
Ore
5. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Smelting
Biological control (alternative to pesticides)
Biological Control
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
6. Solid waste from smelts
Things people can do to avoid depleting minerals
Slag
Ore
Manure/compost
7. 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
Agricultural revolution and technology
Strip cutting
Plowing
Subsurface mining
8. 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
Lesson from Food Inc
Selective Cutting
Bt Corn
Genetically Modified foods
9. 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
Economic services
Plowing
Fertilizers
Things people can do to avoid depleting minerals
10. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Community supported agriculture (CSA)
Food Aid
Strip cutting
Strip Cutting
11. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Bt Corn
Current Population/ 2100 projects of world population
Pesticides
Subsurface mining
12. 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
Current Population/ 2100 projects of world population
Manure/compost
Famine
Acid mine drainage
13. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Types of forestry
Impact of Mountain-Top Removal
Effect of Monsanto on soybean farming since 1994
Coal
14. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Industrial Agriculture/ Factory Farming
Subsurface mining
Smelting
Coal
15. Technology was not able to profitably remove the copper from the malachite
Ore
Things people can do to avoid depleting minerals
Why malachite was originally left behind as tailing from copper mines
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
16. 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
Dangers of Biological control
Smelting
Biological Control
Fertilizers
17. 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.
Pesticides
Slash and Burn
Bt Corn
Sustainable Forestry
18. 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
Manmade nitrogen fertilizers
Malnourishment/Kwashiorkor
Food security
19. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Manmade nitrogen fertilizers
Advantages & Disadvantages of Subsurface mining
Strip mine
Clear-cutting
20. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Open pit mine
Malnourishment
Clear-cutting
Strip Cutting
21. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Advantages & Disadvantages of Subsurface mining
Famine
Food security
What we can do to make forestry more sustainable
22. 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
Food Aid
Pest management
Monoculture
Community supported agriculture (CSA)
23. Worthless material that surrounds a wanted mineral in an ore deposit.
Tailings/ Gangue
Malnourishment
Why malachite was originally left behind as tailing from copper mines
Ecosystem-based Management
24. 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
Sustainable Forestry
Impact of Mountain-Top Removal
Things people can do to avoid depleting minerals
Bt Corn
25. 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.
Community supported agriculture (CSA)
Bt Corn
Nitrate
Fertilizers
26. 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)
Plowing
27. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Open pit mine
Pesticides
Clear cutting
Undernourishment
28. Completely missing something acquired from food; usually protein or vitamin C
Malnourishment/Kwashiorkor
Integrated Pest Management (IPM)
Advantages & Disadvantages of surface mining
Pest management
29. 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
Subsurface mining
Current Population/ 2100 projects of world population
Naturally occurring pesticides
Pest management
30. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Types of surface mining
Costs and downsides of purifying malachite
Strip Cutting
Advantages & Disadvantages of surface mining
31. Organic macromolecules hardest to provide during a famine
Protein (usually)
Integrated Pest Management (IPM)
To purify copper from malachite
Impact of Mountain-Top Removal
32. 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
Types of forestry
Advantages & Disadvantages of Subsurface mining
Pest management
Advantages & Disadvantages of surface mining
33. 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
Nitrate
Biological Control
Malnourishment/Kwashiorkor
Effect of Monsanto on soybean farming since 1994
34. One farmer=100 eaters.
Mountain-Top Removal
Naturally occurring pesticides
Lesson from Food Inc
Famine
35. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Monoculture
Agricultural revolution and technology
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Food security
36. Strip mining - open pit mining - mountain top removal
Ecological services
Types of surface mining
Selective Cutting
Protein (usually)
37. 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
Advantages & Disadvantages of Subsurface mining
Community garden
Integrated Pest Management (IPM)
38. Completely missing something
Bt Corn
Current Population/ 2100 projects of world population
Malnourishment
Biological control (alternative to pesticides)
39. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Clear cutting
Types of surface mining
Malnourishment/Kwashiorkor
Bt Corn
40. 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
Famine
Smelting
Protein (usually)
Maximum Sustainable Yield
41. 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
Genetically Modified foods
Advantages & Disadvantages of surface mining
Dangers of Biological control
Agricultural revolution and technology
42. Having not enough of something
Undernourishment
Agricultural revolution and technology
Sustainable Forestry
Slash and Burn
43. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Open pit mine
Smelting
Food security
Ecological services
44. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Nitrate
Strip mine
Protein (usually)
Slag
45. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Malnourishment
Food Aid
What we can do to make forestry more sustainable
Malnourishment/Kwashiorkor
46. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Genetically modified food
How corn yield has changed in the United States since the 1920s
Surface mining
Advantages & Disadvantages of Subsurface mining
47. 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
Tailings/ Gangue
Manmade nitrogen ertilizers
Ecosystem-based Management
Minerals
48. A single piece of land gardened collectively by a group of people.
Clear-cutting
Pesticides
Manure/compost
Community garden
49. The uniform planting of a single crop
Manmade nitrogen fertilizers
Monoculture
Strip mine
Artificial Organic compounds
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.
Subsurface mining
Nitrate
Why malachite was originally left behind as tailing from copper mines
Minerals