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Test your basic knowledge |
DSST Environment And Humanity
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. Exceptionally acidic (low pH) rain. This phenomenon is caused mainly by emissions of carbon dioxide - sulfur dioxide - and nitrogen oxide which react with water particles in the air.
Wildlife Management
Stratosphere
Acid Rain
Chaparral
2. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Monoculture
Detrivores
Montreal Protocol
Producers
3. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Precipitation
World Trade Organization
Biomes
Sublimation
4. Growing only one crop at a time.
Infiltration
Carnivores
Monoculture
Parasitism
5. Consumers which eat only other animals.
Symbiosis
Carnivores
Precipitation
Nitrogen Fixation
6. Organisms which consume autotrophs for food.
Hetrotrophs
Intensive Subsistence Farming
World Trade Organization
Temperate Rain Forest
7. All of the ecosystems on earth.
Earth Summit
Biosphere
Stockholm Conference
Cosmetic Spraying
8. The uppermost atmospheric layer. Here satellites orbit the earth.
Copiotrophs
Ecological Niche
Taiga
Exosphere
9. A greenhouse gas which also plays a key role in regulating ozone levels.
Tropical Rain Forest
Eutrophication
Social Ecology
Nitrous Oxide
10. A type of farming where the farmer will grow crops both to fulfill his family's needs for the next year and to sell on the market.
Homo Erectus
Mutualism
Intensive Subsistence Farming
Omnivores
11. The loss of water vapor from leaves.
Transpiration
Sahelanthropus Tchadensis
Grazers
Hydrologic Cycle
12. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Ammonification
Tropopause
Silent Spring
Species
13. The process of a gas transforming into a liquid.
Subsurface flow
Savannah
Environmental Protection Agency
Condensation
14. An act which set standards for the amount of pollution in water.
Subsistence Farming
Infiltration
Water Pollution Control Act
Australopithecus Afarensis
15. An act requiring federal agencies to detail the impact of proposed environmental policies.
Insurance Spraying
National Environmental Policy Act
Savannah
R-Selected Populations
16. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Parasitism
Nitrogen Fixation
Harmful Algal Bloom
Infiltration
17. The rapid increase of harmful algae in a body of water.
Harmful Algal Bloom
Autotrophs
Advection
Estuary
18. The rate at which producers create organic material.
Symbiosis
Troposphere
Gross Primary Product
Nitrous Oxide
19. The area between the troposphere and the stratosphere. Here the temperature reverses from decreasing to increasing with altitude.
Symbiosis
Interplanting
Clean Air Act
Tropopause
20. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Superfund Law
Brackish Water
Oligotrophs
Harmful Algal Bloom
21. The amount of pests needed before spraying pesticides is economical.
Coniferous Forest
Transpiration
Economic Threshold
Infiltration
22. The process by which pollutants are carried by flowing water - such as a river.
Evaporation
R-Selected Populations
Copiotrophs
Advection
23. The crust and upper mantle of the earth.
Lithosphere
Intensive Subsistence Farming
Evaporation
Mutualism
24. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Vienna Convention for the Protection of the Ozone Layer
Surface Run-Off
Subsurface flow
Grasslands
25. An especially potent greenhouse gas emitted during production and transportation of fossil fuels - decomposition of organic matter - and herds of livestock.
Carbon Dioxide
Wildlife Management
Methane
Acid Rain
26. The middle atmospheric layer. Meteors burn up after entering this layer.
Social Ecology
Ecology
Mesosphere
Polyculture
27. Surface run-off caused by melted snow.
Polyculture
Snowmelt
Water Pollution Control Act
Antarctica
28. The position of an organism on the food chain.
Troposphere
Trophic Level
Symbiosis
Nitrification
29. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Organism
World Trade Organization
Estuary
Temperature Inversion
30. The process of planting trees in between other crops.
Montreal Protocol
Monoculture
Transpiration
Alley Cropping
31. Single-celled organisms which lack a nucleus.
Detrivores
Prokaryotes
Homo Erectus
Water Pollution Control Act
32. An act which established and enforced acceptable levels of air pollution.
Clean Air Act
Acid Rain
Estuary
Toxic Substances Control Act
33. An international organization designed to promote free trade between countries.
Atmosphere
Stratosphere
World Trade Organization
Homo Sapiens
34. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Total Fertility Rate
Harmful Algal Bloom
Subsistence Farming
Wilderness Act
35. The process of planting different plant species right next to each other to maximize one's yield.
Mesosphere
Endangered Species Act
Interplanting
Insurance Spraying
36. An extinct hominid species believed to be the last common ancestor between man and apes.
Keystone Species
Hetrotrophs
Sahelanthropus Tchadensis
Commensalism
37. The process by which a new species is created. This process generally requires geographic isolation to prevent interbreeding between the newly emerging species and the parent species.
Speciation
Exosphere
World Trade Organization
Mutualism
38. Organisms which produce their own food.
Biogeochemical Cycle
Autotrophs
Aldo Leopold
Tundra
39. All members of a species which live in the same area.
Evapotranspiration
Coevolution
Nitrogen Fixation
Population
40. A forest found in temperate regions with warm summers - cool winters - and plenty of rainfall. These kinds of forests are characterized by evergreens and deciduous trees.
Indicator Species
Homo Erectus
Coniferous Forest
Assimilation
41. A form of management which attempts to satisfy both the needs of humans and those of wildlife in the best way possible for both parties.
Wildlife Management
Monoculture
Brackish Water
Chaparral
42. An international protocol designed to stabilize global warming.
Population
Kyoto Protocol
Vienna Convention for the Protection of the Ozone Layer
Grasslands
43. An act created to protect endangered and threatened species.
Shifting Agriculture
Stockholm Conference
Endangered Species Act
Total Fertility Rate
44. An act which protects certain lands as national parks.
Wilderness Act
Denitrification
Subsurface flow
Carnivores
45. Growing more than one crop at a time.
Wilderness Act
Deciduous Forest
Coniferous Forest
Polyculture
46. An influential book by Rachel Carson which helped begin the environmental movement.
Snowmelt
Silent Spring
Transpiration
Deciduous Forest
47. Populations characterized by large size - long lifespan - and few offspring.
K-Selected Populations
Assimilation
Australopithecus Afarensis
Exosphere
48. Also called that water cycle - this process describes the cycling of water throughout the environment. The stages of this cycle are evaporation - condensation - transportation - precipitation - infiltration and percolation - and run off.
Clean Air Act
Nitrous Oxide
Community
Hydrologic Cycle
49. Populations characterized by small size - short lifespan - and lots of offspring.
Tropical Rain Forest
Polyculture
Turbidity
R-Selected Populations
50. An international convention which created the framework for protecting the ozone layer.
Vienna Convention for the Protection of the Ozone Layer
Alley Cropping
Methane
Denitrification