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Test your basic knowledge |
DSST Environment And Humanity
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Subjects
:
dsst
,
science
Instructions:
Answer 50 questions in 15 minutes.
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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. A variety of species living together.
Community
Organism
Mutualism
Montreal Protocol
2. The process by which pollutants are carried by flowing water - such as a river.
Species
Wilderness Act
Intensive Subsistence Farming
Advection
3. A greenhouse gas which also plays a key role in regulating ozone levels.
Exosphere
Harmful Algal Bloom
Eukaryotes
Nitrous Oxide
4. An act which established and enforced acceptable levels of air pollution.
Clean Air Act
Subsistence Farming
Lithosphere
Producers
5. 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.
Hydrologic Cycle
Precipitation
Vienna Convention for the Protection of the Ozone Layer
Temperate Rain Forest
6. A layer of gasses surrounding the earth.
Sahelanthropus Tchadensis
Troposphere
Atmosphere
Surface Run-Off
7. The process of planting different plant species right next to each other to maximize one's yield.
Interplanting
Hetrotrophs
Indicator Species
Deserts
8. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Surface Run-Off
Population
Aldo Leopold
Organism
9. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Aldo Leopold
Earth Summit
Community
Homo Erectus
10. The conversion of nitrates into nitrogen gas.
Denitrification
Clean Air Act
Endangered Species Act
Sublimation
11. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Transpiration
Air Pollution
Taiga
Commensalism
12. 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
Advection
Omnivores
Methane
13. An act which set standards for the amount of pollution in water.
Superfund Law
Turbidity
Biomes
Water Pollution Control Act
14. Consumers which eat decomposing organic material.
Superfund Law
World Trade Organization
Condensation
Detrivores
15. 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.
Subsistence Farming
Interplanting
Homo Erectus
Resource Partitioning
16. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Sublimation
Coevolution
Condensation
Prokaryotes
17. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Turbidity
Estuary
Nitrification
Sahelanthropus Tchadensis
18. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Superfund Law
Deciduous Forest
Surface Run-Off
Tropical Rain Forest
19. A group of similar organisms capable of interbreeding.
Polyculture
Producers
Species
Thermosphere
20. An act which protects certain lands as national parks.
Lithosphere
Wilderness Act
Estuary
Nitrous Oxide
21. The position of an organism on the food chain.
Trophic Level
Shifting Agriculture
Safe Drinking Water Act
Social Ecology
22. The process of surface water entering the soil. This ensures that plants have adequate access to water.
Homo Sapiens
Acid Rain
Infiltration
Alley Cropping
23. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Condensation
Stratosphere
Surface Run-Off
Brackish Water
24. The area between the troposphere and the stratosphere. Here the temperature reverses from decreasing to increasing with altitude.
Biosphere
Trophic Level
Tropopause
Environmental Protection Agency
25. 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.
Harmful Algal Bloom
Eukaryotes
Estuary
Ozone
26. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Sublimation
Chaparral
Brackish Water
Alley Cropping
27. 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.
Ecological Niche
Wildlife Management
Copiotrophs
Kyoto Protocol
28. Organisms with a nucleus.
Eukaryotes
Resource Partitioning
Clean Air Act
Antarctica
29. Political organizations not affiliated with the government which try to bring about social change.
Grazers
Estuary
Non-government Organizations
Taiga
30. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Keystone Species
Deciduous Forest
Subsistence Farming
Lithosphere
31. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Environmental Protection Agency
Condensation
Evaporation
Deciduous Forest
32. The study of the interaction between organisms and their environment.
Competitive Exclusion
Advection
Ecology
Keystone Species
33. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Browsers
Ammonification
Harmful Algal Bloom
Tropopause
34. The first atmospheric layer. Most weather and pollution occurs here - and the temperature decreases with altitude.
Troposphere
Polyculture
Organism
Symbiosis
35. An act created to protect endangered and threatened species.
Silent Spring
Endangered Species Act
Browsers
National Environmental Policy Act
36. Single-celled organisms which lack a nucleus.
Prokaryotes
Surface Run-Off
Carbon Dioxide
Stratosphere
37. The crust and upper mantle of the earth.
Population
Silent Spring
Shifting Agriculture
Lithosphere
38. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Precipitation
Lithosphere
Chaparral
Safe Drinking Water Act
39. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Deciduous Forest
Lithosphere
Harmful Algal Bloom
Australopithecus Afarensis
40. The amount of pests needed before spraying pesticides is economical.
Nitrogen Fixation
Economic Threshold
Organism
Coevolution
41. 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
Polyculture
Carbon Dioxide
Social Ecology
42. 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.
Coniferous Forest
Chaparral
Methane
R-Selected Populations
43. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Temperature Inversion
Hydrosphere
Nitrous Oxide
Trophic Level
44. Evolution in one organism due to change in a related organism.
Coevolution
Turbidity
Social Ecology
Aldo Leopold
45. The spraying of pesticides to keep produce from any injuries or damage.
Tropical Rain Forest
Population
Cosmetic Spraying
Polyculture
46. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Grazers
Taiga
Nitrogen Fixation
Population
47. 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.
Acid Rain
Intensive Subsistence Farming
Community
Deserts
48. Precipitation which does not reach the soil but is instead collected by plants.
Producers
Ecotone
Interception
Hetrotrophs
49. A type of symbiosis where one species benefit at the expense of the other.
Nitrous Oxide
Parasitism
Transpiration
Endangered Species Act
50. Consumers which eat both plants and animals.
Omnivores
Air Pollution
Prokaryotes
Superfund Law
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