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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. 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
Protein (usually)
Bt Corn
Things people can do to avoid depleting minerals
2. Not enough of some vitamin/mineral/essential thing in food
Plowing
Nitrate
Biological Control
Undernourishment/Marasmus
3. Cutting the trees down - burning them. Nutrients from the ash go to soil. You have a farmland for ranching cattle or farming soybeans.
Mechanization/tractors/combines
Famine
Slash and Burn
Coal
4. Strip mining - open pit mining - mountain top removal
To purify copper from malachite
Types of surface mining
Bt Corn
Dangers of Biological control
5. Solid waste from smelts
Manure/compost
Nitrate
Slag
Strip mine
6. Combination of different pest management techniques combined in a specific way best for the place they are being used.
Pest management
Strip Cutting
Malnourishment
Integrated Pest Management (IPM)
7. 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
Tailings/ Gangue
Genetically Modified foods
Things people can do to avoid depleting minerals
Ore
8. 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.
Overburden
Minerals
Surface Mining Control and Reclamation Act of 1977
Clear-cutting
9. Heating ore beyond its melting point and combining it with other metals or chemicals ( process of separating).
Food Aid
Smelting
Advantages & Disadvantages of surface mining
Effect of Monsanto on soybean farming since 1994
10. 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
Subsurface mining
Things people can do to avoid depleting minerals
Coal
Pest management
11. A fossil fuel composed of organic matter that was compressed under very high pressure to form a dense - solid carbon structure.
Current Population/ 2100 projects of world population
Overburden
Maximum Sustainable Yield
Coal
12. 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
Plowing
Clear-cutting
Ore
Selective Cutting
13. 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
Lesson from Food Inc
Biological control (alternative to pesticides)
Strip Cutting
Undernourishment/Marasmus
14. 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
Dangers of Biological control
Mountain-Top Removal
Artificial Organic compounds
Minerals
15. 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.
Surface Mining Control and Reclamation Act of 1977
Acid mine drainage
Current Population/ 2100 projects of world population
Genetically Modified foods
16. Maximum Sustainable Yield - Ecosystem-based Management - Adaptive Management
Monoculture
Food security
What we can do to make forestry more sustainable
Types of surface mining
17. Worthless material that surrounds a wanted mineral in an ore deposit.
Monoculture
Undernourishment
Bt Corn
Tailings/ Gangue
18. Organic macromolecules hardest to provide during a famine
Fertilizers
Smelting
Impact of Mountain-Top Removal
Protein (usually)
19. In the last 100 years - humans have doubled the amount of organic nitrogen in the biosphere by artificial synthesis of ammonia.
Manmade nitrogen fertilizers
Mechanization/tractors/combines
Smelting
Pesticides
20. Natural fertilizers from decomposing solid organic matter; have lots of nitrogen
Clear cutting
Dangers of Biological control
Manure/compost
Subsurface mining
21. Bio-control can be extremely cost effect - Bio-control can harm other animals - The cane toads control cane beetle in Carribean
Open pit mine
Artificial Organic compounds
Plowing
Biological Control
22. Corn yield has increased dramatically in the US since the 1920s because it was in the 1920s that GM corn started to be developed
Open pit mine
How corn yield has changed in the United States since the 1920s
Sustainable Forestry
Clear-cutting
23. A naturally occurring solid element or inorganic compound with a crystal structure - a specific chemical composition - and distinct physical properties.
Integrated Pest Management (IPM)
Minerals
Biological control (alternative to pesticides)
Strip cutting
24. Completely missing something
Biological control (alternative to pesticides)
Why malachite was originally left behind as tailing from copper mines
Malnourishment
Impact of Mountain-Top Removal
25. 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.
Types of surface mining
Undernourishment
Sustainable Forestry
Manmade nitrogen fertilizers
26. Choosing valuable trees only - lots of reseeding - transportation is hard.
Minerals
Strip cutting
Selective cutting
Pesticides
27. Malachite contains sulfides which become strongly acidic when mixed with water and thus pollutes water
Ecosystem-based Management
Strip Cutting
Costs and downsides of purifying malachite
Artificial Organic compounds
28. Clear cutting - Strip cutting - selective cutting
Dangers of Biological control
Types of forestry
Slag
Selective cutting
29. 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.
Costs and downsides of purifying malachite
Nitrate
Effect of Monsanto on soybean farming since 1994
Dangers of Biological control
30. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Smelting
Industrial Agriculture/ Factory Farming
Why malachite was originally left behind as tailing from copper mines
Famine
31. The use of heavy machinery to remove huge amounts of earth to expose COAL or MINERALS - which are mined out directly.
Strip mine
Undernourishment
Things people can do to avoid depleting minerals
Genetically Modified foods
32. - the turning and loosening of soil for the planting of crops
Smelting
Plowing
Subsurface mining
Why malachite was originally left behind as tailing from copper mines
33. Educational - Maintain biodiversity - Aesthetics - Oxygen - Improve quality of life - Co2 to O2 - Shade - Habitat/ biodiversity - Erosion - Clean water - Soil enrichment
Acid mine drainage
Ecological services
Manure/compost
Plowing
34. Nicotine - Alcohol - Cocaine - if it can kill you - it can kill other living things.
Genetically modified food
Ore
Manmade nitrogen ertilizers
Naturally occurring pesticides
35. 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
Manure/compost
Effect of Monsanto on soybean farming since 1994
Selective cutting
36. 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
Strip mine
Mountain-Top Removal
Community garden
Strip cutting
37. -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
Integrated Pest Management (IPM)
Plowing
Industrial Agriculture/ Factory Farming
Overburden
38. Food assistance given to an area. Can take away the incentive to produce food in that area. Distribution is an issue.
Pesticides
Monoculture
Open pit mine
Food Aid
39. One farmer=100 eaters.
How corn yield has changed in the United States since the 1920s
Lesson from Food Inc
What we can do to make forestry more sustainable
Why malachite was originally left behind as tailing from copper mines
40. 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
Industrial Agriculture/ Factory Farming
Community supported agriculture (CSA)
Food security
To purify copper from malachite
41. A mining technique that involves digging a gigantic hole and removing the desire ORE - along with waste rock that surrounds the ore.
Clear-cutting
Risks of Bt Corn
Open pit mine
What we can do to make forestry more sustainable
42. 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
Coal
Dangers of Biological control
Ore
Why malachite was originally left behind as tailing from copper mines
43. 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
Famine
Pesticides
Slag
Effect of Monsanto on soybean farming since 1994
44. 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
Malnourishment/Kwashiorkor
Bt Corn
Selective cutting
Effect of Monsanto on soybean farming since 1994
45. More expensive then clear cutting - leaves rows of trees for reseeding/ future harvesting.
Strip Cutting
Community garden
Malnourishment
Industrial Agriculture/ Factory Farming
46. Made by mixing the remains or wastes of organisms including animal manure (essential) - crop residues - fresh vegetation - and compost
Effect of Monsanto on soybean farming since 1994
Pesticides
Adaptive Management
Manmade nitrogen ertilizers
47. 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
Effect of Monsanto on soybean farming since 1994
Naturally occurring pesticides
Agricultural revolution and technology
48. The uniform planting of a single crop
Dangers of Biological control
Monoculture
Maximum Sustainable Yield
Things people can do to avoid depleting minerals
49. (Insecticides - Herbicides/ Fungicides) - Artificial chemicals used to kill pests/ insects/plants/fungi
Community garden
Malnourishment/Kwashiorkor
Pesticides
Surface mining
50. 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
Undernourishment
Advantages & Disadvantages of Subsurface mining
Selective Cutting
What we can do to make forestry more sustainable