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Test your basic knowledge |
DSST Environmental Science: Land Use
Start Test
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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. 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.
Famine
Dangers of Biological control
Why malachite was originally left behind as tailing from copper mines
Subsurface mining
2. 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
Biological control (alternative to pesticides)
Malnourishment/Kwashiorkor
Adaptive Management
Smelting
3. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
What we can do to make forestry more sustainable
Pesticides
Adaptive Management
How corn yield has changed in the United States since the 1920s
4. Clear cutting - Strip cutting - selective cutting
Types of forestry
Protein (usually)
Ecological services
Adaptive Management
5. 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
Undernourishment/Marasmus
Mountain-Top Removal
Strip mine
Agricultural revolution and technology
6. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Community garden
Selective cutting
Biological Control
Ecosystem-based Management
7. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
What we can do to make forestry more sustainable
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Malnourishment
Pesticides
8. 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
Surface mining
Costs and downsides of purifying malachite
Clear-cutting
9. The uniform planting of a single crop
Undernourishment
Monoculture
Fertilizers
Plowing
10. 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.
Plowing
Nitrate
Biological control (alternative to pesticides)
Minerals
11. 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
Malnourishment
Risks of Bt Corn
Tailings/ Gangue
Biological Control
12. Choosing valuable trees only - lots of reseeding - transportation is hard.
Mountain-Top Removal
Selective cutting
Manmade nitrogen ertilizers
Slash and Burn
13. 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
Famine
Clear cutting
Slash and Burn
Ecosystem-based Management
14. 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
Acid mine drainage
Ore
Undernourishment/Marasmus
Clear cutting
15. Not enough of some vitamin/mineral/essential thing in food
Biological control (alternative to pesticides)
Genetically Modified foods
Undernourishment/Marasmus
Monoculture
16. 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
Malnourishment/Kwashiorkor
Community supported agriculture (CSA)
Risks of Bt Corn
Undernourishment
17. 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
Pesticides
Tailings/ Gangue
Biological Control
Strip cutting
18. A single piece of land gardened collectively by a group of people.
Things people can do to avoid depleting minerals
Community garden
Open pit mine
Manure/compost
19. Technology was not able to profitably remove the copper from the malachite
Undernourishment/Marasmus
Why malachite was originally left behind as tailing from copper mines
Minerals
Advantages & Disadvantages of surface mining
20. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Things people can do to avoid depleting minerals
Strip Cutting
Integrated Pest Management (IPM)
Plowing
21. 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
Overburden
Surface Mining Control and Reclamation Act of 1977
Mountain-Top Removal
Ore
22. 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
Fertilizers
Advantages & Disadvantages of Subsurface mining
Acid mine drainage
Overburden
23. Worthless material that surrounds a wanted mineral in an ore deposit.
Surface mining
Pest management
Types of forestry
Tailings/ Gangue
24. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
To purify copper from malachite
Clear cutting
Slag
Industrial Agriculture/ Factory Farming
25. Genetically engineered using recombinant DNA
Naturally occurring pesticides
Genetically modified food
Biological control (alternative to pesticides)
Food security
26. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Ecological services
Agricultural revolution and technology
Undernourishment/Marasmus
Food security
27. 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
Bt Corn
Sustainable Forestry
Adaptive Management
Effect of Monsanto on soybean farming since 1994
28. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Industrial Agriculture/ Factory Farming
Economic services
Selective Cutting
Manmade nitrogen fertilizers
29. 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
Fertilizers
Bt Corn
What we can do to make forestry more sustainable
Biological Control
30. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Mechanization/tractors/combines
Subsurface mining
Lesson from Food Inc
Food security
31. 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
Current Population/ 2100 projects of world population
Manure/compost
Ore
32. 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
Manmade nitrogen fertilizers
Pesticides
Genetically Modified foods
33. 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.
Types of surface mining
Current Population/ 2100 projects of world population
Genetically Modified foods
Selective cutting
34. 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
Maximum Sustainable Yield
Mechanization/tractors/combines
Malnourishment/Kwashiorkor
35. 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.
Pest management
Manmade nitrogen ertilizers
Protein (usually)
Ore
36. Organic macromolecules hardest to provide during a famine
What we can do to make forestry more sustainable
Protein (usually)
Ecosystem-based Management
To purify copper from malachite
37. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Coal
Industrial Agriculture/ Factory Farming
Artificial Organic compounds
Ore
38. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Slash and Burn
Industrial Agriculture/ Factory Farming
Strip mine
Nitrate
39. 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
Current Population/ 2100 projects of world population
Advantages & Disadvantages of Subsurface mining
Food Aid
Things people can do to avoid depleting minerals
40. 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;
Bt Corn
Mountain-Top Removal
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Advantages & Disadvantages of surface mining
41. 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
Costs and downsides of purifying malachite
Undernourishment
Surface mining
Protein (usually)
42. Completely missing something
Things people can do to avoid depleting minerals
Famine
Malnourishment
Open pit mine
43. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Why malachite was originally left behind as tailing from copper mines
How corn yield has changed in the United States since the 1920s
Manmade nitrogen ertilizers
Sustainable Forestry
44. - the turning and loosening of soil for the planting of crops
To purify copper from malachite
Things people can do to avoid depleting minerals
Bt Corn
Plowing
45. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Malnourishment/Kwashiorkor
Integrated Pest Management (IPM)
Costs and downsides of purifying malachite
Agricultural revolution and technology
46. -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
Open pit mine
Selective Cutting
Minerals
Industrial Agriculture/ Factory Farming
47. 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)
Types of forestry
Ore
Naturally occurring pesticides
48. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Agricultural revolution and technology
Industrial Agriculture/ Factory Farming
Genetically Modified foods
Naturally occurring pesticides
49. Having not enough of something
Undernourishment
Ecological services
Coal
Protein (usually)
50. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Strip Cutting
Sustainable Forestry
Acid mine drainage
Subsurface mining