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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. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Strip Cutting
Adaptive Management
Food Aid
Mountain-Top Removal
2. Genetically engineered using recombinant DNA
Selective cutting
Types of surface mining
Acid mine drainage
Genetically modified food
3. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Advantages & Disadvantages of surface mining
Genetically modified food
Mechanization/tractors/combines
4. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Integrated Pest Management (IPM)
Nitrate
Fertilizers
Types of forestry
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
Lesson from Food Inc
Economic services
Bt Corn
Current Population/ 2100 projects of world population
6. 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.
Effect of Monsanto on soybean farming since 1994
Types of surface mining
Ore
Biological control (alternative to pesticides)
7. One farmer=100 eaters.
Undernourishment
Genetically modified food
Lesson from Food Inc
Fertilizers
8. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Manure/compost
Types of forestry
Artificial Organic compounds
Sustainable Forestry
9. 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
Strip mine
Surface mining
Ecosystem-based Management
Monoculture
10. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Strip cutting
Coal
Costs and downsides of purifying malachite
Subsurface mining
11. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Ore
How corn yield has changed in the United States since the 1920s
Slash and Burn
Effect of Monsanto on soybean farming since 1994
12. Choosing valuable trees only - lots of reseeding - transportation is hard.
Effect of Monsanto on soybean farming since 1994
Selective cutting
Community supported agriculture (CSA)
Mountain-Top Removal
13. 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
Maximum Sustainable Yield
Malnourishment
Ore
Mountain-Top Removal
14. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Types of forestry
Food Aid
Things people can do to avoid depleting minerals
Slash and Burn
15. 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
Maximum Sustainable Yield
Costs and downsides of purifying malachite
Impact of Mountain-Top Removal
16. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Food security
To purify copper from malachite
Famine
What we can do to make forestry more sustainable
17. Not enough of some vitamin/mineral/essential thing in food
Selective cutting
Famine
Overburden
Undernourishment/Marasmus
18. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Pesticides
Malnourishment
Types of surface mining
Mechanization/tractors/combines
19. 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
Nitrate
Agricultural revolution and technology
Manmade nitrogen ertilizers
To purify copper from malachite
20. 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
Ecosystem-based Management
Industrial Agriculture/ Factory Farming
Protein (usually)
Selective Cutting
21. 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
Genetically modified food
Dangers of Biological control
Advantages & Disadvantages of Subsurface mining
22. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Undernourishment/Marasmus
Costs and downsides of purifying malachite
Biological Control
Genetically Modified foods
23. 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
Dangers of Biological control
How corn yield has changed in the United States since the 1920s
Why malachite was originally left behind as tailing from copper mines
Selective cutting
24. 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
Slash and Burn
Genetically Modified foods
Lesson from Food Inc
To purify copper from malachite
25. The surface soil that must be moved away to get at coal seams and mineral deposits
Protein (usually)
Manure/compost
Ore
Overburden
26. Technology was not able to profitably remove the copper from the malachite
Risks of Bt Corn
Fertilizers
Why malachite was originally left behind as tailing from copper mines
Naturally occurring pesticides
27. 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
Smelting
Things people can do to avoid depleting minerals
Industrial Agriculture/ Factory Farming
Surface mining
28. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Bt Corn
Impact of Mountain-Top Removal
Ecological services
Overburden
29. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Smelting
Current Population/ 2100 projects of world population
Agricultural revolution and technology
Naturally occurring pesticides
30. - the turning and loosening of soil for the planting of crops
Artificial Organic compounds
Community supported agriculture (CSA)
Plowing
Maximum Sustainable Yield
31. 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
Malnourishment
Biological control (alternative to pesticides)
Open pit mine
Acid mine drainage
32. Having not enough of something
Strip cutting
Undernourishment
Plowing
To purify copper from malachite
33. The uniform planting of a single crop
Artificial Organic compounds
Pesticides
Monoculture
Mechanization/tractors/combines
34. 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.
Manure/compost
Current Population/ 2100 projects of world population
Nitrate
Costs and downsides of purifying malachite
35. Organic macromolecules hardest to provide during a famine
Things people can do to avoid depleting minerals
Protein (usually)
Dangers of Biological control
Famine
36. -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
Malnourishment
Types of surface mining
Costs and downsides of purifying malachite
Industrial Agriculture/ Factory Farming
37. 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
Selective cutting
Maximum Sustainable Yield
Ore
Effect of Monsanto on soybean farming since 1994
38. A single piece of land gardened collectively by a group of people.
What we can do to make forestry more sustainable
Community garden
Clear-cutting
Costs and downsides of purifying malachite
39. 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
Strip Cutting
Community supported agriculture (CSA)
Adaptive Management
Manmade nitrogen ertilizers
40. 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
Impact of Mountain-Top Removal
Advantages & Disadvantages of Subsurface mining
Community supported agriculture (CSA)
Minerals
41. 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
Coal
Subsurface mining
Biological control (alternative to pesticides)
Manmade nitrogen ertilizers
42. 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
Community garden
Ecosystem-based Management
Acid mine drainage
43. Worthless material that surrounds a wanted mineral in an ore deposit.
Tailings/ Gangue
Adaptive Management
Ecosystem-based Management
Types of forestry
44. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Lesson from Food Inc
Dangers of Biological control
Undernourishment
Open pit mine
45. 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.
Monoculture
Effect of Monsanto on soybean farming since 1994
Impact of Mountain-Top Removal
Sustainable Forestry
46. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Dangers of Biological control
To purify copper from malachite
Clear cutting
Acid mine drainage
47. Completely missing something acquired from food; usually protein or vitamin C
Malnourishment/Kwashiorkor
Surface mining
Strip cutting
Impact of Mountain-Top Removal
48. Completely missing something
Undernourishment
Coal
Ecological services
Malnourishment
49. 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.
Artificial Organic compounds
Manmade nitrogen ertilizers
Biological Control
Surface Mining Control and Reclamation Act of 1977
50. Clear cutting - Strip cutting - selective cutting
Plowing
Impact of Mountain-Top Removal
Overburden
Types of forestry