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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. Strip mining - open pit mining - mountain top removal
Dangers of Biological control
Agricultural revolution and technology
What we can do to make forestry more sustainable
Types of surface mining
2. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Costs and downsides of purifying malachite
Manure/compost
Economic services
Things people can do to avoid depleting minerals
3. 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
Strip Cutting
What we can do to make forestry more sustainable
Genetically modified food
Things people can do to avoid depleting minerals
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.
Strip Cutting
Surface Mining Control and Reclamation Act of 1977
Subsurface mining
Manmade nitrogen ertilizers
5. 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.
Things people can do to avoid depleting minerals
Ecological services
Minerals
Current Population/ 2100 projects of world population
6. 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
Manure/compost
Adaptive Management
Types of forestry
Ecosystem-based Management
7. Genetically engineered using recombinant DNA
Artificial Organic compounds
How corn yield has changed in the United States since the 1920s
Genetically modified food
Food security
8. 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
Maximum Sustainable Yield
Clear-cutting
Artificial Organic compounds
Mechanization/tractors/combines
9. 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
Manmade nitrogen fertilizers
Pest management
Naturally occurring pesticides
Bt Corn
10. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Economic services
Strip Cutting
What we can do to make forestry more sustainable
Coal
11. 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.
Malnourishment/Kwashiorkor
Ore
Strip cutting
Manmade nitrogen fertilizers
12. 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
Risks of Bt Corn
Strip Cutting
Overburden
Surface mining
13. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Clear cutting
Mechanization/tractors/combines
Community garden
Slash and Burn
14. Clear cutting - Strip cutting - selective cutting
Advantages & Disadvantages of surface mining
What we can do to make forestry more sustainable
To purify copper from malachite
Types of forestry
15. 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
Clear-cutting
Genetically modified food
Biological control (alternative to pesticides)
Undernourishment/Marasmus
16. 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.
Current Population/ 2100 projects of world population
Protein (usually)
Nitrate
Smelting
17. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Risks of Bt Corn
Coal
Strip mine
Clear cutting
18. 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
Tailings/ Gangue
Agricultural revolution and technology
Dangers of Biological control
Selective Cutting
19. 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
Food security
Why malachite was originally left behind as tailing from copper mines
Economic services
20. Technology was not able to profitably remove the copper from the malachite
Why malachite was originally left behind as tailing from copper mines
Industrial Agriculture/ Factory Farming
Things people can do to avoid depleting minerals
Adaptive Management
21. 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
Industrial Agriculture/ Factory Farming
Nitrate
Undernourishment/Marasmus
Bt Corn
22. 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
Fertilizers
Effect of Monsanto on soybean farming since 1994
Surface Mining Control and Reclamation Act of 1977
Maximum Sustainable Yield
23. 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
Ore
Manure/compost
To purify copper from malachite
Food security
24. Solid waste from smelts
Slag
Monoculture
Advantages & Disadvantages of Subsurface mining
Selective cutting
25. -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
Artificial Organic compounds
Industrial Agriculture/ Factory Farming
Mountain-Top Removal
Open pit mine
26. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Undernourishment/Marasmus
Famine
Ecosystem-based Management
Community garden
27. 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
Artificial Organic compounds
Types of surface mining
To purify copper from malachite
28. 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
Clear-cutting
Adaptive Management
Surface Mining Control and Reclamation Act of 1977
Malnourishment
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
Types of forestry
Ore
Clear-cutting
Pesticides
30. 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
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Acid mine drainage
Artificial Organic compounds
31. 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
Dangers of Biological control
Community supported agriculture (CSA)
To purify copper from malachite
Mechanization/tractors/combines
32. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Pesticides
Naturally occurring pesticides
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Biological control (alternative to pesticides)
33. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
How corn yield has changed in the United States since the 1920s
Ore
Sustainable Forestry
Advantages & Disadvantages of surface mining
34. The surface soil that must be moved away to get at coal seams and mineral deposits
Overburden
Malnourishment
Open pit mine
Food Aid
35. A single piece of land gardened collectively by a group of people.
Naturally occurring pesticides
Genetically modified food
Ecosystem-based Management
Community garden
36. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Subsurface mining
Community garden
Mechanization/tractors/combines
Biological Control
37. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Mountain-Top Removal
Agricultural revolution and technology
Acid mine drainage
Mechanization/tractors/combines
38. One farmer=100 eaters.
Types of surface mining
Lesson from Food Inc
Advantages & Disadvantages of surface mining
Clear cutting
39. Not enough of some vitamin/mineral/essential thing in food
Clear-cutting
Undernourishment/Marasmus
Lesson from Food Inc
Famine
40. Having not enough of something
Undernourishment
Dangers of Biological control
Community supported agriculture (CSA)
Ore
41. Choosing valuable trees only - lots of reseeding - transportation is hard.
Undernourishment
How corn yield has changed in the United States since the 1920s
Selective cutting
Nitrate
42. Worthless material that surrounds a wanted mineral in an ore deposit.
Tailings/ Gangue
Community supported agriculture (CSA)
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
43. 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;
Pesticides
Mountain-Top Removal
Bt Corn
Advantages & Disadvantages of surface mining
44. 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.
To purify copper from malachite
Surface mining
Overburden
Sustainable Forestry
45. Completely missing something acquired from food; usually protein or vitamin C
Types of forestry
Malnourishment/Kwashiorkor
Manure/compost
Ecosystem-based Management
46. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Advantages & Disadvantages of surface mining
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Costs and downsides of purifying malachite
Why malachite was originally left behind as tailing from copper mines
47. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Surface mining
Things people can do to avoid depleting minerals
Lesson from Food Inc
Coal
48. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Manure/compost
Strip Cutting
Undernourishment/Marasmus
Advantages & Disadvantages of surface mining
49. The uniform planting of a single crop
Monoculture
Famine
Clear cutting
Slash and Burn
50. 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
Clear-cutting
Acid mine drainage
Types of forestry
Ecosystem-based Management