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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. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Dangers of Biological control
Genetically modified food
Ecosystem-based Management
Ecological services
2. A single piece of land gardened collectively by a group of people.
Selective Cutting
Ecological services
Open pit mine
Community garden
3. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Open pit mine
Manmade nitrogen ertilizers
Slash and Burn
Biological Control
4. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Strip mine
Open pit mine
Maximum Sustainable Yield
Genetically Modified foods
5. -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
Lesson from Food Inc
Industrial Agriculture/ Factory Farming
Selective Cutting
Malnourishment/Kwashiorkor
6. 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
Selective Cutting
Surface Mining Control and Reclamation Act of 1977
Malnourishment
Undernourishment/Marasmus
7. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Manmade nitrogen fertilizers
Community garden
What we can do to make forestry more sustainable
Biological control (alternative to pesticides)
8. 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
Risks of Bt Corn
Sustainable Forestry
Biological control (alternative to pesticides)
Genetically Modified foods
9. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Manmade nitrogen fertilizers
Undernourishment
Mountain-Top Removal
Mechanization/tractors/combines
10. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Costs and downsides of purifying malachite
Overburden
Selective cutting
Naturally occurring pesticides
11. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Smelting
What we can do to make forestry more sustainable
Slag
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
12. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Coal
Open pit mine
Selective Cutting
Protein (usually)
13. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Strip Cutting
Manmade nitrogen ertilizers
Tailings/ Gangue
How corn yield has changed in the United States since the 1920s
14. 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
Biological control (alternative to pesticides)
Ecosystem-based Management
Mountain-Top Removal
Clear-cutting
15. 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
Surface mining
Advantages & Disadvantages of Subsurface mining
Costs and downsides of purifying malachite
Malnourishment
16. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Tailings/ Gangue
Manmade nitrogen ertilizers
Plowing
Maximum Sustainable Yield
17. 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
What we can do to make forestry more sustainable
Types of forestry
Sustainable Forestry
Ecosystem-based Management
18. 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.
Famine
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Nitrate
Strip cutting
19. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Current Population/ 2100 projects of world population
Integrated Pest Management (IPM)
Types of surface mining
Advantages & Disadvantages of surface mining
20. The uniform planting of a single crop
Monoculture
Nitrate
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Adaptive Management
21. Genetically engineered using recombinant DNA
Genetically modified food
Clear-cutting
Clear cutting
Smelting
22. Clear cutting - Strip cutting - selective cutting
Undernourishment/Marasmus
Types of forestry
Impact of Mountain-Top Removal
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
How corn yield has changed in the United States since the 1920s
Subsurface mining
Things people can do to avoid depleting minerals
Risks of Bt Corn
24. 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
Things people can do to avoid depleting minerals
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Effect of Monsanto on soybean farming since 1994
25. Having not enough of something
Smelting
Strip mine
Slash and Burn
Undernourishment
26. 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
Selective Cutting
Maximum Sustainable Yield
Manmade nitrogen fertilizers
27. 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.
Advantages & Disadvantages of surface mining
Pest management
Subsurface mining
Sustainable Forestry
28. One farmer=100 eaters.
Surface Mining Control and Reclamation Act of 1977
Lesson from Food Inc
Minerals
Community garden
29. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Lesson from Food Inc
Genetically Modified foods
Smelting
Types of forestry
30. - the turning and loosening of soil for the planting of crops
Tailings/ Gangue
Naturally occurring pesticides
Why malachite was originally left behind as tailing from copper mines
Plowing
31. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Slag
Manmade nitrogen fertilizers
Sustainable Forestry
Strip Cutting
32. Completely missing something
Surface Mining Control and Reclamation Act of 1977
Malnourishment
Clear cutting
Open pit mine
33. Organic macromolecules hardest to provide during a famine
Selective cutting
Tailings/ Gangue
Food Aid
Protein (usually)
34. 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
Biological control (alternative to pesticides)
Tailings/ Gangue
Nitrate
35. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
What we can do to make forestry more sustainable
Costs and downsides of purifying malachite
Surface mining
Community garden
36. 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
Economic services
Effect of Monsanto on soybean farming since 1994
Pest management
Artificial Organic compounds
37. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Protein (usually)
Genetically Modified foods
Biological Control
Types of surface mining
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
Things people can do to avoid depleting minerals
Naturally occurring pesticides
Dangers of Biological control
Pest management
39. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Lesson from Food Inc
Pesticides
Undernourishment
To purify copper from malachite
40. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Food Aid
Genetically modified food
Strip mine
Effect of Monsanto on soybean farming since 1994
41. 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
Strip Cutting
Ecosystem-based Management
Impact of Mountain-Top Removal
Mountain-Top Removal
42. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Famine
Subsurface mining
Why malachite was originally left behind as tailing from copper mines
Manure/compost
43. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Industrial Agriculture/ Factory Farming
Strip mine
Minerals
Monoculture
44. 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
Ecosystem-based Management
Community supported agriculture (CSA)
Community garden
45. 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
Malnourishment/Kwashiorkor
Artificial Organic compounds
Dangers of Biological control
Pesticides
46. 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
Advantages & Disadvantages of Subsurface mining
What we can do to make forestry more sustainable
Types of surface mining
Ecosystem-based Management
47. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Advantages & Disadvantages of Subsurface mining
Surface mining
Manure/compost
Food security
48. 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.
Food Aid
Surface mining
To purify copper from malachite
Ore
49. 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
Tailings/ Gangue
Smelting
Community supported agriculture (CSA)
Subsurface mining
50. 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.
Food Aid
Current Population/ 2100 projects of world population
Acid mine drainage
Smelting