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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 place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Monoculture
Kyoto Protocol
Silent Spring
Ecological Niche
2. An act which set standards for the amount of pollution in water.
Water Pollution Control Act
Lithosphere
Coniferous Forest
Ecotone
3. Modern man.
Homo Sapiens
Atmosphere
Ozone
Agroforestry
4. A community of similar living organisms largely affected by the area's climate.
Monoculture
Biomes
Ecological Niche
Turbidity
5. An act created to protect endangered and threatened species.
Brackish Water
Total Fertility Rate
Deciduous Forest
Endangered Species Act
6. A philosophy that extends ethics to non-humans. Under this system - animals - plants - and other aspects of the environment are seen as being deserving of justice and consideration.
Environmental Ethics
Carnivores
Carbon Dioxide
Homo Sapiens
7. A UN conference that addressed the growing population problem.
Non-government Organizations
UN Conference on Population and Development
Transpiration
Vienna Convention for the Protection of the Ozone Layer
8. An extinct hominid species believed to be the last common ancestor between man and apes.
Sahelanthropus Tchadensis
Tropical Rain Forest
Assimilation
Eukaryotes
9. The flow of water in the water table.
Subsurface flow
Gross Primary Product
Organism
Taiga
10. A rainforest in the temperate zone which receives heavy rainfall.
Interplanting
Thermosphere
Temperate Rain Forest
Coevolution
11. A community of species interacting with their nonliving (abiotic) environment.
Environmental Protection Agency
Wilderness Act
Ecosystem
Economic Threshold
12. 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.
Subsurface flow
Hydrologic Cycle
Parasitism
Wilderness Act
13. Organisms with a nucleus.
Eukaryotes
Ozone
Assimilation
Social Ecology
14. Single-celled organisms which lack a nucleus.
Prokaryotes
Economic Threshold
Superfund Law
Ammonification
15. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Surface Run-Off
Australopithecus Afarensis
Infiltration
Coniferous Forest
16. The amount of variation among organisms living in a particular ecosystem. The loss of this key characteristic leads to a reduction in ecosystem efficiency and the ability of species to adapt to new situations.
UN Conference on Population and Development
Surface Run-Off
Antarctica
Biodiversity
17. Plants taking in nitrates from the soil.
Assimilation
Keystone Species
Monoculture
Savannah
18. The cloudiness of a liquid due to small suspended particles.
National Environmental Policy Act
Homo Sapiens
Community
Turbidity
19. An unstable form of oxygen which protects the earth from UV radiation. Although naturally occurring in the stratosphere (upper atmosphere) - in the lower atmosphere this gas acts as a pollutant.
Ozone
Precipitation
Biomes
Subsurface flow
20. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Evaporation
Aldo Leopold
Producers
Coniferous Forest
21. An act which established and enforced acceptable levels of air pollution.
Gross Primary Product
Air Pollution
Clean Air Act
Ecotone
22. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Methane
Brackish Water
Temperate Rain Forest
Insurance Spraying
23. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Deciduous Forest
Harmful Algal Bloom
Interception
Nitrogen Fixation
24. Evolution in one organism due to change in a related organism.
Transpiration
Coevolution
Denitrification
Shifting Agriculture
25. 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.
Wildlife Management
Thermosphere
Ammonification
Intensive Subsistence Farming
26. The crust and upper mantle of the earth.
Lithosphere
Polyculture
Ecology
Interplanting
27. 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.
Infiltration
Carbon Dioxide
Environmental Protection Agency
Endangered Species Act
28. Growing more than one crop at a time.
Polyculture
Producers
Harmful Algal Bloom
Nitrification
29. An influential book by Rachel Carson which helped begin the environmental movement.
Assimilation
Wildlife Management
Temperature Inversion
Silent Spring
30. Organisms which produce their own food.
Autotrophs
Population
Troposphere
Taiga
31. The area between the troposphere and the stratosphere. Here the temperature reverses from decreasing to increasing with altitude.
Carnivores
Silent Spring
Temperature Inversion
Tropopause
32. An act which required the EPA to set standards for drinking water.
Exosphere
Biosphere
Grasslands
Safe Drinking Water Act
33. A layer of gasses surrounding the earth.
Producers
Atmosphere
Brackish Water
Speciation
34. An international protocol designed to stabilize global warming.
Snowmelt
Grazers
Kyoto Protocol
Brackish Water
35. The process of surface water entering the soil. This ensures that plants have adequate access to water.
Infiltration
Precipitation
Nitrous Oxide
Competitive Exclusion
36. A principle that states that two species competing for a single resource cannot coexist. One species will inevitably gain an advantage over the other - causing the looser either to migrate or to become extinct.
Competitive Exclusion
Antarctica
Lithosphere
Water Pollution Control Act
37. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Earth Summit
Competitive Exclusion
Temperature Inversion
Montreal Protocol
38. Any living thing on earth.
Aldo Leopold
Non-government Organizations
Organism
Intensive Subsistence Farming
39. The coexistence of two species using the same resource where the two will use the resource in different ways.
Evaporation
Toxic Substances Control Act
Biosphere
Resource Partitioning
40. Organisms which eat other organisms.
Oligotrophs
Consumers
Nitrification
Nitrogen Fixation
41. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Atmosphere
Savannah
Sublimation
Precipitation
42. All of the water found on earth.
Advection
Endangered Species Act
Vienna Convention for the Protection of the Ozone Layer
Hydrosphere
43. All of the ecosystems on earth.
Homo Habilis
Biosphere
Cosmetic Spraying
National Environmental Policy Act
44. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Deciduous Forest
Chaparral
Hetrotrophs
Biomes
45. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Biomes
Methane
Mutualism
Oligotrophs
46. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Trophic Level
Toxic Substances Control Act
Hetrotrophs
Temperature Inversion
47. 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.
Interplanting
Earth Summit
Wildlife Management
Chaparral
48. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Stockholm Conference
Non-government Organizations
Neanderthals
Chaparral
49. Consumers which eat only other animals.
Precipitation
Hydrosphere
Carnivores
Social Ecology
50. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Grasslands
Insurance Spraying
Environmental Ethics
Sublimation