SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. 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
Effect of Monsanto on soybean farming since 1994
How corn yield has changed in the United States since the 1920s
Manmade nitrogen fertilizers
Costs and downsides of purifying malachite
2. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Strip cutting
Clear-cutting
Open pit mine
Advantages & Disadvantages of surface mining
3. 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
Smelting
Community supported agriculture (CSA)
Lesson from Food Inc
Biological control (alternative to pesticides)
4. 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.
Economic services
Monoculture
Open pit mine
Surface Mining Control and Reclamation Act of 1977
5. Clear cutting - Strip cutting - selective cutting
Agricultural revolution and technology
Types of surface mining
Strip cutting
Types of forestry
6. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Economic services
Genetically Modified foods
Adaptive Management
Food Aid
7. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Slash and Burn
Strip Cutting
Types of surface mining
Overburden
8. 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.
Ore
Types of surface mining
Manmade nitrogen ertilizers
Overburden
9. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Integrated Pest Management (IPM)
Mountain-Top Removal
Community supported agriculture (CSA)
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
10. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
To purify copper from malachite
Manmade nitrogen ertilizers
Adaptive Management
Ecological services
11. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Effect of Monsanto on soybean farming since 1994
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Fertilizers
How corn yield has changed in the United States since the 1920s
12. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Mechanization/tractors/combines
Effect of Monsanto on soybean farming since 1994
Genetically modified food
Why malachite was originally left behind as tailing from copper mines
13. 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
Strip cutting
Manure/compost
Open pit mine
Dangers of Biological control
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
Community garden
Acid mine drainage
Clear cutting
Food security
15. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Why malachite was originally left behind as tailing from copper mines
Strip Cutting
Adaptive Management
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
16. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Why malachite was originally left behind as tailing from copper mines
Ore
Manure/compost
Clear cutting
17. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Pesticides
Plowing
Acid mine drainage
Industrial Agriculture/ Factory Farming
18. - the turning and loosening of soil for the planting of crops
Plowing
Minerals
Types of forestry
To purify copper from malachite
19. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Overburden
Strip mine
Dangers of Biological control
Smelting
20. Choosing valuable trees only - lots of reseeding - transportation is hard.
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Selective cutting
Acid mine drainage
Clear cutting
21. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Food security
Pest management
Pesticides
Clear cutting
22. 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.
Impact of Mountain-Top Removal
Current Population/ 2100 projects of world population
Industrial Agriculture/ Factory Farming
Genetically Modified foods
23. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Manmade nitrogen fertilizers
Coal
Nitrate
Surface Mining Control and Reclamation Act of 1977
24. 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
Biological Control
Risks of Bt Corn
Community garden
25. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Food security
Biological Control
Strip Cutting
What we can do to make forestry more sustainable
26. 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.
Strip mine
Ecological services
Food security
Sustainable Forestry
27. Technology was not able to profitably remove the copper from the malachite
Why malachite was originally left behind as tailing from copper mines
Maximum Sustainable Yield
Naturally occurring pesticides
Manmade nitrogen fertilizers
28. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Ecological services
Advantages & Disadvantages of surface mining
Manmade nitrogen ertilizers
Artificial Organic compounds
29. Completely missing something
Types of surface mining
Strip cutting
Malnourishment
Agricultural revolution and technology
30. 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
Agricultural revolution and technology
Undernourishment
Risks of Bt Corn
31. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Genetically Modified foods
Current Population/ 2100 projects of world population
Naturally occurring pesticides
Types of forestry
32. -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
Ecosystem-based Management
Industrial Agriculture/ Factory Farming
Acid mine drainage
Types of forestry
33. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Costs and downsides of purifying malachite
Malnourishment/Kwashiorkor
What we can do to make forestry more sustainable
Economic services
34. 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
Strip Cutting
Slag
Integrated Pest Management (IPM)
35. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Food Aid
Slash and Burn
Economic services
Surface mining
36. Strip mining - open pit mining - mountain top removal
Dangers of Biological control
Subsurface mining
Industrial Agriculture/ Factory Farming
Types of surface mining
37. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Ecological services
Coal
Undernourishment/Marasmus
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
38. One farmer=100 eaters.
Lesson from Food Inc
Surface Mining Control and Reclamation Act of 1977
Advantages & Disadvantages of surface mining
Bt Corn
39. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Community garden
Advantages & Disadvantages of surface mining
What we can do to make forestry more sustainable
Costs and downsides of purifying malachite
40. Not enough of some vitamin/mineral/essential thing in food
Undernourishment/Marasmus
Nitrate
Ore
Community supported agriculture (CSA)
41. 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
Plowing
Advantages & Disadvantages of Subsurface mining
Types of forestry
Protein (usually)
42. Worthless material that surrounds a wanted mineral in an ore deposit.
Why malachite was originally left behind as tailing from copper mines
Sustainable Forestry
Tailings/ Gangue
Manure/compost
43. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Subsurface mining
Ecological services
Strip mine
Pesticides
44. 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
Community garden
Genetically Modified foods
Economic services
Maximum Sustainable Yield
45. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
How corn yield has changed in the United States since the 1920s
Strip mine
Undernourishment/Marasmus
Famine
46. 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
Effect of Monsanto on soybean farming since 1994
Selective Cutting
Manmade nitrogen fertilizers
Maximum Sustainable Yield
47. Completely missing something acquired from food; usually protein or vitamin C
Malnourishment/Kwashiorkor
Manmade nitrogen ertilizers
Overburden
Costs and downsides of purifying malachite
48. 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
Slag
Manmade nitrogen ertilizers
Malnourishment
Clear-cutting
49. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Open pit mine
Strip Cutting
Things people can do to avoid depleting minerals
Monoculture
50. 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
Community supported agriculture (CSA)
Plowing
Genetically Modified foods
Things people can do to avoid depleting minerals