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. 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.
Surface mining
Current Population/ 2100 projects of world population
Malnourishment/Kwashiorkor
Sustainable Forestry
2. 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
Minerals
Ecosystem-based Management
Bt Corn
Monoculture
3. Clear cutting - Strip cutting - selective cutting
Clear cutting
Types of forestry
Plowing
Why malachite was originally left behind as tailing from copper mines
4. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Biological Control
Strip Cutting
Undernourishment
Malnourishment/Kwashiorkor
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
Industrial Agriculture/ Factory Farming
Coal
Malnourishment
Surface Mining Control and Reclamation Act of 1977
6. 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
Industrial Agriculture/ Factory Farming
Clear-cutting
Strip Cutting
Tailings/ Gangue
7. 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
Mountain-Top Removal
Community supported agriculture (CSA)
Plowing
8. 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
Artificial Organic compounds
Mountain-Top Removal
Famine
Community supported agriculture (CSA)
9. Worthless material that surrounds a wanted mineral in an ore deposit.
Tailings/ Gangue
Subsurface mining
Current Population/ 2100 projects of world population
Famine
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.
Nitrate
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
Plowing
11. 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
Economic services
Biological control (alternative to pesticides)
Sustainable Forestry
Why malachite was originally left behind as tailing from copper mines
12. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Minerals
Clear cutting
Adaptive Management
Industrial Agriculture/ Factory Farming
13. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Impact of Mountain-Top Removal
Naturally occurring pesticides
Manure/compost
Community garden
14. Completely missing something acquired from food; usually protein or vitamin C
Why malachite was originally left behind as tailing from copper mines
Monoculture
Mountain-Top Removal
Malnourishment/Kwashiorkor
15. The uniform planting of a single crop
Biological control (alternative to pesticides)
Monoculture
Advantages & Disadvantages of surface mining
Ecosystem-based Management
16. Technology was not able to profitably remove the copper from the malachite
Nitrate
Fertilizers
Clear-cutting
Why malachite was originally left behind as tailing from copper mines
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
Monoculture
Slag
Industrial Agriculture/ Factory Farming
Strip cutting
18. Strip mining - open pit mining - mountain top removal
Types of surface mining
Selective Cutting
Smelting
Industrial Agriculture/ Factory Farming
19. 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
Bt Corn
Dangers of Biological control
Undernourishment
20. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Smelting
Ecological services
Pesticides
Open pit mine
21. By far the best method for managing pests - Uses chemical pesticides - biocontrol - AND diversity - Not monoculture; things are planted in a mosaic so that if pests attack all of the corn in one area there is still more corn somewhere else - Proven t
Pest management
Malnourishment
Undernourishment/Marasmus
Types of forestry
22. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Manure/compost
Manmade nitrogen fertilizers
Nitrate
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
23. 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
Undernourishment
Overburden
Manmade nitrogen fertilizers
24. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Open pit mine
Mechanization/tractors/combines
Agricultural revolution and technology
Costs and downsides of purifying malachite
25. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Genetically Modified foods
Protein (usually)
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Why malachite was originally left behind as tailing from copper mines
26. Solid waste from smelts
Pest management
Maximum Sustainable Yield
Slag
Economic services
27. 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
Pesticides
Biological Control
To purify copper from malachite
Naturally occurring pesticides
28. 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
Industrial Agriculture/ Factory Farming
Plowing
To purify copper from malachite
29. 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
Mountain-Top Removal
Genetically Modified foods
Advantages & Disadvantages of surface mining
30. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Strip mine
Minerals
Malnourishment
Pesticides
31. A single piece of land gardened collectively by a group of people.
Why malachite was originally left behind as tailing from copper mines
Community garden
Minerals
Genetically modified food
32. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Ecological services
Slash and Burn
Agricultural revolution and technology
Tailings/ Gangue
33. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Biological Control
Coal
Surface Mining Control and Reclamation Act of 1977
Open pit mine
34. 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
Surface mining
Industrial Agriculture/ Factory Farming
Maximum Sustainable Yield
Biological Control
35. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Advantages & Disadvantages of Subsurface mining
Coal
Community garden
Acid mine drainage
36. Having not enough of something
Dangers of Biological control
Undernourishment
Clear cutting
Types of surface mining
37. 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
Coal
Open pit mine
Sustainable Forestry
38. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Slag
Surface mining
Pesticides
Famine
39. 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
Slag
Smelting
Ore
40. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Nitrate
Integrated Pest Management (IPM)
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Strip Cutting
41. 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
Agricultural revolution and technology
Bt Corn
Types of surface mining
Things people can do to avoid depleting minerals
42. 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
Types of forestry
Things people can do to avoid depleting minerals
Manmade nitrogen ertilizers
Selective cutting
43. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Famine
Bt Corn
Food security
Advantages & Disadvantages of surface mining
44. 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
Overburden
Why malachite was originally left behind as tailing from copper mines
Smelting
Community supported agriculture (CSA)
45. Not enough of some vitamin/mineral/essential thing in food
Strip cutting
Food security
Undernourishment/Marasmus
Why malachite was originally left behind as tailing from copper mines
46. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Types of surface mining
Food Aid
Undernourishment/Marasmus
Open pit mine
47. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Strip Cutting
Mechanization/tractors/combines
Selective cutting
Dangers of Biological control
48. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Costs and downsides of purifying malachite
What we can do to make forestry more sustainable
Economic services
Naturally occurring pesticides
49. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Manure/compost
Overburden
How corn yield has changed in the United States since the 1920s
Food security
50. 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
Biological control (alternative to pesticides)
Selective Cutting
Clear-cutting
Costs and downsides of purifying malachite