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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. 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
Why malachite was originally left behind as tailing from copper mines
Community garden
Nitrate
Risks of Bt Corn
2. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Agricultural revolution and technology
Overburden
How corn yield has changed in the United States since the 1920s
Clear-cutting
3. 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.
Malnourishment
Minerals
Bt Corn
Surface Mining Control and Reclamation Act of 1977
4. 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
Famine
Costs and downsides of purifying malachite
Impact of Mountain-Top Removal
Biological Control
5. 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.
Types of forestry
Ecological services
Slash and Burn
Subsurface mining
6. 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
Adaptive Management
Economic services
Protein (usually)
Ecological services
7. 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
Artificial Organic compounds
Pesticides
Effect of Monsanto on soybean farming since 1994
Undernourishment/Marasmus
8. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Famine
Selective cutting
Why malachite was originally left behind as tailing from copper mines
Costs and downsides of purifying malachite
9. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Biological Control
Naturally occurring pesticides
Economic services
Food security
10. Having not enough of something
Surface Mining Control and Reclamation Act of 1977
Ore
Undernourishment
Surface mining
11. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Ore
Minerals
Industrial Agriculture/ Factory Farming
Protein (usually)
12. 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
Industrial Agriculture/ Factory Farming
Naturally occurring pesticides
Clear cutting
13. 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
Malnourishment/Kwashiorkor
Nitrate
Malnourishment
To purify copper from malachite
14. The surface soil that must be moved away to get at coal seams and mineral deposits
Genetically Modified foods
Manmade nitrogen fertilizers
Overburden
Monoculture
15. 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;
Monoculture
Industrial Agriculture/ Factory Farming
Things people can do to avoid depleting minerals
Advantages & Disadvantages of surface mining
16. 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
Protein (usually)
Clear-cutting
Agricultural revolution and technology
Integrated Pest Management (IPM)
17. 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
Plowing
Tailings/ Gangue
Biological control (alternative to pesticides)
Ecological services
18. Genetically engineered using recombinant DNA
Genetically modified food
Manmade nitrogen fertilizers
Subsurface mining
Community supported agriculture (CSA)
19. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Things people can do to avoid depleting minerals
Slag
Famine
Mechanization/tractors/combines
20. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Naturally occurring pesticides
Smelting
Clear cutting
Bt Corn
21. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Minerals
Ecosystem-based Management
Fertilizers
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
22. 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
Subsurface mining
Plowing
Surface mining
Selective Cutting
23. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Slash and Burn
Food security
Clear-cutting
Surface mining
24. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Biological control (alternative to pesticides)
Manure/compost
Integrated Pest Management (IPM)
Surface mining
25. 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
Artificial Organic compounds
Food security
Fertilizers
26. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Effect of Monsanto on soybean farming since 1994
Undernourishment/Marasmus
Manmade nitrogen fertilizers
Manure/compost
27. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Undernourishment
Biological Control
Smelting
Costs and downsides of purifying malachite
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.
Things people can do to avoid depleting minerals
Protein (usually)
Sustainable Forestry
Surface mining
29. 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
Slash and Burn
What we can do to make forestry more sustainable
Things people can do to avoid depleting minerals
Clear-cutting
30. 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
Open pit mine
Mountain-Top Removal
Why malachite was originally left behind as tailing from copper mines
31. One farmer=100 eaters.
Food security
Pest management
Tailings/ Gangue
Lesson from Food Inc
32. 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
Mechanization/tractors/combines
Undernourishment/Marasmus
Things people can do to avoid depleting minerals
Biological Control
33. 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
Overburden
Fertilizers
Integrated Pest Management (IPM)
Artificial Organic compounds
34. 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.
Surface Mining Control and Reclamation Act of 1977
Ore
Types of surface mining
How corn yield has changed in the United States since the 1920s
35. Not enough of some vitamin/mineral/essential thing in food
Undernourishment/Marasmus
Types of forestry
Dangers of Biological control
Subsurface mining
36. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Maximum Sustainable Yield
Undernourishment
Nitrate
Smelting
37. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Famine
Strip mine
Naturally occurring pesticides
Acid mine drainage
38. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Selective Cutting
Strip Cutting
Advantages & Disadvantages of surface mining
Naturally occurring pesticides
39. 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
Minerals
Slash and Burn
Maximum Sustainable Yield
Agricultural revolution and technology
40. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Mechanization/tractors/combines
Famine
Manmade nitrogen ertilizers
Bt Corn
41. 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
Current Population/ 2100 projects of world population
Agricultural revolution and technology
Fertilizers
Artificial Organic compounds
42. 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
Biological Control
Industrial Agriculture/ Factory Farming
Community supported agriculture (CSA)
Strip Cutting
43. 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
Mechanization/tractors/combines
Community supported agriculture (CSA)
44. Solid waste from smelts
Slag
Famine
Pesticides
Mountain-Top Removal
45. 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
Adaptive Management
Selective Cutting
Mechanization/tractors/combines
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
Why malachite was originally left behind as tailing from copper mines
Minerals
Industrial Agriculture/ Factory Farming
Clear-cutting
47. 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
Artificial Organic compounds
Malnourishment
Advantages & Disadvantages of Subsurface mining
Genetically Modified foods
48. 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)
Costs and downsides of purifying malachite
Types of surface mining
49. 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
Manmade nitrogen ertilizers
Acid mine drainage
Malnourishment/Kwashiorkor
Slag
50. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Manmade nitrogen ertilizers
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Open pit mine
Ore