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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. The process by which pollutants are carried by flowing water - such as a river.
Advection
Aldo Leopold
Neanderthals
Mutualism
2. The conversion of nitrates into nitrogen gas.
Autotrophs
Ecological Niche
Denitrification
Hydrosphere
3. The process of surface water entering the soil. This ensures that plants have adequate access to water.
Interception
Infiltration
Water Pollution Control Act
Brackish Water
4. 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.
Sublimation
Acid Rain
Homo Sapiens
Hydrosphere
5. An act which established and enforced acceptable levels of air pollution.
Clean Air Act
Grasslands
Superfund Law
Tundra
6. Organisms which produce their own food.
Intensive Subsistence Farming
Autotrophs
Community
R-Selected Populations
7. The area between the troposphere and the stratosphere. Here the temperature reverses from decreasing to increasing with altitude.
Surface Run-Off
Harmful Algal Bloom
Tropopause
Competitive Exclusion
8. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Nitrification
Superfund Law
Agroforestry
Ammonification
9. All of the ecosystems on earth.
Biosphere
Neanderthals
Alley Cropping
Carnivores
10. The spraying of pesticides to keep produce from any injuries or damage.
Hydrologic Cycle
Cosmetic Spraying
Sahelanthropus Tchadensis
Thermosphere
11. The process of a gas transforming into a liquid.
Copiotrophs
Condensation
Harmful Algal Bloom
Coevolution
12. An extinct hominid species believed to be the last common ancestor between man and apes.
Harmful Algal Bloom
Agroforestry
Sahelanthropus Tchadensis
Biogeochemical Cycle
13. The study of the interaction between organisms and their environment.
Ecology
Coevolution
Acid Rain
Biogeochemical Cycle
14. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Carbon Dioxide
Competitive Exclusion
Stratosphere
Evaporation
15. The process of planting trees in between other crops.
Snowmelt
Earth Summit
Alley Cropping
Ecotone
16. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Ecological Niche
Competitive Exclusion
Environmental Protection Agency
Eutrophication
17. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Tropical Rain Forest
Transpiration
Agroforestry
Organism
18. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Stratosphere
Cosmetic Spraying
Subsistence Farming
Carbon Dioxide
19. An act requiring federal agencies to detail the impact of proposed environmental policies.
Resource Partitioning
National Environmental Policy Act
Montreal Protocol
Parasitism
20. Average expected birth rate for 1 -000 women.
Australopithecus Afarensis
Social Ecology
Speciation
Total Fertility Rate
21. An extinct hominid species with near the same brain capacity as modern man believed to use fire and stone tools - live a hunter/gatherer lifestyle - and speak a language.
UN Conference on Population and Development
Nitrogen Fixation
Homo Erectus
Economic Threshold
22. An act which set standards for the amount of pollution in water.
Carnivores
Lithosphere
Water Pollution Control Act
Environmental Ethics
23. 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
Interplanting
Trophic Level
24. The first atmospheric layer. Most weather and pollution occurs here - and the temperature decreases with altitude.
Carnivores
Troposphere
Commensalism
Stockholm Conference
25. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Wilderness Act
Shifting Agriculture
Thermosphere
Surface Run-Off
26. A rainforest in the temperate zone which receives heavy rainfall.
Vienna Convention for the Protection of the Ozone Layer
Temperate Rain Forest
Hydrologic Cycle
Evapotranspiration
27. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Denitrification
Precipitation
Endangered Species Act
Alley Cropping
28. An international protocol designed to stabilize global warming.
Transpiration
Montreal Protocol
World Trade Organization
Kyoto Protocol
29. Political organizations not affiliated with the government which try to bring about social change.
Trophic Level
Sublimation
Autotrophs
Non-government Organizations
30. An international organization designed to promote free trade between countries.
Tropical Rain Forest
Community
World Trade Organization
Environmental Protection Agency
31. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Advection
Toxic Substances Control Act
Exosphere
Aldo Leopold
32. Evolution in one organism due to change in a related organism.
Shifting Agriculture
Coevolution
Chaparral
Interception
33. Any living thing on earth.
Savannah
UN Conference on Population and Development
Organism
Grazers
34. Grasslands with short - widely spaced trees and no canopy - allowing for an unbroken layer of grasses beneath.
Savannah
Biogeochemical Cycle
Aldo Leopold
Precipitation
35. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Non-government Organizations
Detrivores
Sublimation
Evaporation
36. The southern-most continent - of which 98% is ice. This continent includes 70% of the world's fresh water - and 90% of the world's ice. Although the average temperature is -49
Harmful Algal Bloom
Carnivores
Antarctica
Snowmelt
37. A layer of gasses surrounding the earth.
Condensation
Cosmetic Spraying
Atmosphere
Sublimation
38. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Interception
Oligotrophs
Thermosphere
Carnivores
39. Animals which eat grass and roots.
Grazers
Neanderthals
Carbon Dioxide
Homo Sapiens
40. Different species living in close contact with each other.
Methane
Toxic Substances Control Act
Symbiosis
Hetrotrophs
41. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Indicator Species
Homo Sapiens
Nitrogen Fixation
Chaparral
42. Surface run-off caused by melted snow.
Hydrosphere
Alley Cropping
Lithosphere
Snowmelt
43. The position of an organism on the food chain.
Trophic Level
Interception
Condensation
Coniferous Forest
44. A shubland found primarily in the South-Western United States and Mexico. Fire plays a predominant role in the life-cycle of the plants in this area - the seeds of which will sprout only after a fire.
Brackish Water
Chaparral
Snowmelt
Tropopause
45. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Grasslands
Evaporation
Biodiversity
Browsers
46. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Economic Threshold
Earth Summit
Ecosystem
Tropopause
47. A UN conference that addressed the growing population problem.
Environmental Ethics
UN Conference on Population and Development
Resource Partitioning
Denitrification
48. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Methane
Commensalism
Australopithecus Afarensis
Monoculture
49. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Homo Habilis
Organism
Keystone Species
Indicator Species
50. Modern man.
UN Conference on Population and Development
Community
Homo Sapiens
Hydrologic Cycle