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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. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Malnourishment
Slash and Burn
Biological control (alternative to pesticides)
Tailings/ Gangue
2. Not enough of some vitamin/mineral/essential thing in food
Agricultural revolution and technology
What we can do to make forestry more sustainable
Undernourishment/Marasmus
Protein (usually)
3. 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
Plowing
Overburden
Types of surface mining
4. 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.
Food security
Subsurface mining
Effect of Monsanto on soybean farming since 1994
Sustainable Forestry
5. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Biological control (alternative to pesticides)
Ore
Advantages & Disadvantages of Subsurface mining
Manmade nitrogen ertilizers
6. Technology was not able to profitably remove the copper from the malachite
What we can do to make forestry more sustainable
Why malachite was originally left behind as tailing from copper mines
Surface Mining Control and Reclamation Act of 1977
Slag
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.
What we can do to make forestry more sustainable
Coal
Ecosystem-based Management
Ore
8. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Undernourishment/Marasmus
Food security
Sustainable Forestry
Integrated Pest Management (IPM)
9. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Slash and Burn
Community garden
Costs and downsides of purifying malachite
Ore
10. 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
To purify copper from malachite
Economic services
Slash and Burn
11. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Biological Control
Food security
Open pit mine
Advantages & Disadvantages of Subsurface mining
12. There is now more nitrate in the soil and water than ever - sometimes at unsafe levels - Corn harvests have improved
Lesson from Food Inc
Pesticides
Subsurface mining
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
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
Economic services
Current Population/ 2100 projects of world population
Dangers of Biological control
Mechanization/tractors/combines
14. -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
Naturally occurring pesticides
Overburden
Undernourishment/Marasmus
Industrial Agriculture/ Factory Farming
15. Having not enough of something
Ecosystem-based Management
Undernourishment
Adaptive Management
Mechanization/tractors/combines
16. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Minerals
Agricultural revolution and technology
Strip cutting
Sustainable Forestry
17. - the turning and loosening of soil for the planting of crops
Smelting
Types of surface mining
Pesticides
Plowing
18. Completely missing something acquired from food; usually protein or vitamin C
Plowing
Clear-cutting
Integrated Pest Management (IPM)
Malnourishment/Kwashiorkor
19. Makes money - remove resources from its original location - Firewood - Paper - Lumber - Charocoal - Gem - Hunting - Medicine
Protein (usually)
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Economic services
Strip cutting
20. Cheapest - easiest transportation removal of lumber - Most environmentally harmful - takes all trees - leaves nothing
Tailings/ Gangue
Clear cutting
Strip mine
Types of forestry
21. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Impact of Mountain-Top Removal
Manure/compost
Undernourishment/Marasmus
How corn yield has changed in the United States since the 1920s
22. 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
Impact of Mountain-Top Removal
Acid mine drainage
Manmade nitrogen ertilizers
Advantages & Disadvantages of surface mining
23. A single piece of land gardened collectively by a group of people.
Community garden
Industrial Agriculture/ Factory Farming
Naturally occurring pesticides
Coal
24. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Biological Control
Famine
Advantages & Disadvantages of Subsurface mining
Mechanization/tractors/combines
25. 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
Pesticides
Manure/compost
Industrial Agriculture/ Factory Farming
26. Technology that has vastly increased the amount of food production since the agricultural revolution; currently 1 farmer for every 129 eaters
Pesticides
To purify copper from malachite
Genetically Modified foods
Mechanization/tractors/combines
27. Goal to guarantee an adequate - safe - nutritious - and reliable food supply available to all people at all times
Ecological services
Food security
Bt Corn
Overburden
28. 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
Malnourishment/Kwashiorkor
Mountain-Top Removal
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
Malnourishment
29. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Smelting
Sustainable Forestry
Undernourishment
Nitrate
30. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Impact of Mountain-Top Removal
Agricultural revolution and technology
Plowing
Strip mine
31. Completely missing something
Plowing
Fertilizers
Undernourishment
Malnourishment
32. Worthless material that surrounds a wanted mineral in an ore deposit.
Monoculture
How corn yield has changed in the United States since the 1920s
Tailings/ Gangue
Types of surface mining
33. 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.
Types of surface mining
Nitrate
Why malachite was originally left behind as tailing from copper mines
Current Population/ 2100 projects of world population
34. Solid waste from smelts
Selective Cutting
Why malachite was originally left behind as tailing from copper mines
Slag
Effect of man made fertilizer on the amount of nitrate in the soil and water from 100 years ago
35. 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
Slash and Burn
Things people can do to avoid depleting minerals
Overburden
Open pit mine
36. 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
Types of forestry
Malnourishment/Kwashiorkor
Bt Corn
Pest management
37. 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
Subsurface mining
Genetically Modified foods
Minerals
Maximum Sustainable Yield
38. 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
Things people can do to avoid depleting minerals
How corn yield has changed in the United States since the 1920s
Strip Cutting
39. 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
Selective cutting
Manure/compost
Ecological services
Artificial Organic compounds
40. Organic macromolecules hardest to provide during a famine
Protein (usually)
Strip cutting
Lesson from Food Inc
Mechanization/tractors/combines
41. 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 cutting
Manure/compost
How corn yield has changed in the United States since the 1920s
Sustainable Forestry
42. 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
Why malachite was originally left behind as tailing from copper mines
Bt Corn
Selective Cutting
Mechanization/tractors/combines
43. Choosing valuable trees only - lots of reseeding - transportation is hard.
Surface mining
Nitrate
Selective cutting
Slash and Burn
44. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Genetically Modified foods
Mechanization/tractors/combines
Food Aid
Impact of Mountain-Top Removal
45. The uniform planting of a single crop
Naturally occurring pesticides
Artificial Organic compounds
Famine
Monoculture
46. 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
Genetically Modified foods
Impact of Mountain-Top Removal
Types of surface mining
Strip mine
47. 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
Types of surface mining
Lesson from Food Inc
Pest management
Effect of Monsanto on soybean farming since 1994
48. Genetically engineered using recombinant DNA
Bt Corn
Economic services
Minerals
Genetically modified food
49. The surface soil that must be moved away to get at coal seams and mineral deposits
Genetically modified food
Adaptive Management
Slag
Overburden
50. 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
Effect of Monsanto on soybean farming since 1994
Agricultural revolution and technology
Sustainable Forestry
Malnourishment/Kwashiorkor