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Test your basic knowledge |
DSST Environment And Humanity
Start Test
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Subjects
:
dsst
,
science
Instructions:
Answer 50 questions in 15 minutes.
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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 spraying of pesticides to keep produce from any injuries or damage.
R-Selected Populations
Competitive Exclusion
Precipitation
Cosmetic Spraying
2. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Evapotranspiration
Keystone Species
Neanderthals
Estuary
3. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Hydrosphere
K-Selected Populations
Air Pollution
Toxic Substances Control Act
4. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Acid Rain
Deciduous Forest
Denitrification
Precipitation
5. The cloudiness of a liquid due to small suspended particles.
Turbidity
Brackish Water
Consumers
Lithosphere
6. Populations characterized by large size - long lifespan - and few offspring.
Temperature Inversion
K-Selected Populations
Sahelanthropus Tchadensis
Environmental Protection Agency
7. Animals which eat leaves and shoots.
Biodiversity
UN Conference on Population and Development
R-Selected Populations
Browsers
8. 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.
Resource Partitioning
Condensation
Wildlife Management
Commensalism
9. All of the ecosystems on earth.
Wildlife Management
Stockholm Conference
Polyculture
Biosphere
10. A type of farming where the farmer will fell and burn down trees to grow crops. After a few years - he will move on and continue the process.
Parasitism
Shifting Agriculture
Thermosphere
Producers
11. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Carbon Dioxide
Gross Primary Product
Subsistence Farming
Consumers
12. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Safe Drinking Water Act
Ecotone
Brackish Water
K-Selected Populations
13. Growing only one crop at a time.
Condensation
Hydrosphere
Monoculture
Evaporation
14. The infiltration of harmful chemicals - particles - or biological matter into the atmosphere which endanger living organisms. Pollutants include sulfur and nitrogen oxides - ammonia - and chlorofluorocarbons. Although there are natural sources for th
Coevolution
Wildlife Management
Air Pollution
Chaparral
15. An international organization designed to promote free trade between countries.
Nitrous Oxide
Tropical Rain Forest
World Trade Organization
Advection
16. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Organism
Earth Summit
Biogeochemical Cycle
Polyculture
17. Consumers which eat only other animals.
Methane
Carnivores
Nitrification
Eukaryotes
18. A greenhouse gas. Although it is a natural part of the carbon cycle - the atmospheric concentration of this gas has increased due to the burning of fossil fuels.
Carbon Dioxide
Tundra
Speciation
Wilderness Act
19. Different species living in close contact with each other.
Temperate Rain Forest
Assimilation
Symbiosis
Oligotrophs
20. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Lithosphere
Hydrologic Cycle
Agroforestry
Mesosphere
21. An influential book by Rachel Carson which helped begin the environmental movement.
Speciation
Omnivores
Wildlife Management
Silent Spring
22. Animals which eat grass and roots.
Acid Rain
Biosphere
Grazers
Organism
23. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Aldo Leopold
Coniferous Forest
Carnivores
Australopithecus Afarensis
24. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Neanderthals
Exosphere
Tropical Rain Forest
Ecological Niche
25. The process by which pollutants are carried by flowing water - such as a river.
Advection
Safe Drinking Water Act
Producers
Evapotranspiration
26. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Browsers
Copiotrophs
Homo Erectus
Sublimation
27. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Evaporation
Copiotrophs
Homo Habilis
Producers
28. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Environmental Protection Agency
Autotrophs
Speciation
Organism
29. Organisms which create their own food out of inorganic (abiotic) substances.
Turbidity
Producers
Community
Mutualism
30. All of the water found on earth.
Interplanting
Social Ecology
Hydrosphere
Monoculture
31. 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.
Earth Summit
Intensive Subsistence Farming
Safe Drinking Water Act
Nitrification
32. A community of similar living organisms largely affected by the area's climate.
Savannah
Biomes
K-Selected Populations
Water Pollution Control Act
33. 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.
Biodiversity
Antarctica
Coniferous Forest
Montreal Protocol
34. The position of an organism on the food chain.
Grasslands
Consumers
Trophic Level
Cosmetic Spraying
35. Biomes with less than 10 inches of rain a year. Foliage is scarce in these areas - and remaining plants and animals work hard to conserve the little water they receive.
Deserts
Superfund Law
Atmosphere
Montreal Protocol
36. Populations characterized by small size - short lifespan - and lots of offspring.
Assimilation
Omnivores
Alley Cropping
R-Selected Populations
37. The loss of water vapor from leaves.
Omnivores
Acid Rain
Transpiration
Mesosphere
38. 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
Organism
Silent Spring
Subsurface flow
39. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Carnivores
Nitrogen Fixation
Temperate Rain Forest
Autotrophs
40. Average expected birth rate for 1 -000 women.
Total Fertility Rate
Hydrologic Cycle
Safe Drinking Water Act
Intensive Subsistence Farming
41. A community of species interacting with their nonliving (abiotic) environment.
Parasitism
Organism
Surface Run-Off
Ecosystem
42. A bloom of phytoplankton in a body of water caused by an abnormal increase in nutrients. This process depletes the water's oxygen level - killing off other aquatic organisms.
Precipitation
Eutrophication
Wilderness Act
Assimilation
43. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Evapotranspiration
Environmental Protection Agency
Eukaryotes
Oligotrophs
44. A greenhouse gas which also plays a key role in regulating ozone levels.
Social Ecology
Stratosphere
Trophic Level
Nitrous Oxide
45. Political organizations not affiliated with the government which try to bring about social change.
National Environmental Policy Act
Non-government Organizations
Resource Partitioning
Nitrogen Fixation
46. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Social Ecology
Methane
Biogeochemical Cycle
Troposphere
47. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Denitrification
Indicator Species
Non-government Organizations
Homo Habilis
48. Surface run-off caused by melted snow.
Vienna Convention for the Protection of the Ozone Layer
Air Pollution
Snowmelt
Ecotone
49. Growing more than one crop at a time.
Taiga
Polyculture
Mutualism
Monoculture
50. The process of a gas transforming into a liquid.
Condensation
Gross Primary Product
Atmosphere
Eukaryotes
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