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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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.
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 type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Carnivores
UN Conference on Population and Development
Symbiosis
Commensalism
2. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Atmosphere
Keystone Species
Wildlife Management
Kyoto Protocol
3. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Australopithecus Afarensis
Precipitation
Ammonification
Monoculture
4. 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.
Eutrophication
Carbon Dioxide
Ecosystem
Lithosphere
5. An act which protects certain lands as national parks.
Nitrous Oxide
Wilderness Act
Prokaryotes
Nitrogen Fixation
6. The process by which pollutants are carried by flowing water - such as a river.
Advection
Atmosphere
Gross Primary Product
Ecological Niche
7. A community of species interacting with their nonliving (abiotic) environment.
Toxic Substances Control Act
Prokaryotes
Ecosystem
Nitrogen Fixation
8. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Condensation
National Environmental Policy Act
Nitrification
Cosmetic Spraying
9. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Copiotrophs
World Trade Organization
Air Pollution
Interception
10. The flow of water in the water table.
Deciduous Forest
Denitrification
Subsurface flow
Biogeochemical Cycle
11. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Hetrotrophs
Homo Habilis
Sahelanthropus Tchadensis
Biomes
12. The process of planting trees in between other crops.
National Environmental Policy Act
Alley Cropping
Biosphere
Harmful Algal Bloom
13. All members of a species which live in the same area.
Troposphere
Air Pollution
Population
Surface Run-Off
14. Plants taking in nitrates from the soil.
Neanderthals
World Trade Organization
Assimilation
Environmental Ethics
15. Grasslands with short - widely spaced trees and no canopy - allowing for an unbroken layer of grasses beneath.
Nitrification
Savannah
Competitive Exclusion
Vienna Convention for the Protection of the Ozone Layer
16. Animals which eat leaves and shoots.
Precipitation
Temperature Inversion
Total Fertility Rate
Browsers
17. Political organizations not affiliated with the government which try to bring about social change.
Stockholm Conference
Speciation
Non-government Organizations
Evapotranspiration
18. The crust and upper mantle of the earth.
Lithosphere
Endangered Species Act
Biomes
Coevolution
19. An international protocol designed to stabilize global warming.
Sahelanthropus Tchadensis
Kyoto Protocol
Exosphere
Coevolution
20. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Deciduous Forest
Alley Cropping
Browsers
Polyculture
21. Organisms which eat other organisms.
Agroforestry
Consumers
Temperate Rain Forest
Evapotranspiration
22. An especially potent greenhouse gas emitted during production and transportation of fossil fuels - decomposition of organic matter - and herds of livestock.
Nitrogen Fixation
Methane
Producers
Autotrophs
23. An act requiring federal agencies to detail the impact of proposed environmental policies.
Tundra
National Environmental Policy Act
Savannah
Condensation
24. A rainforest in the temperate zone which receives heavy rainfall.
National Environmental Policy Act
Carbon Dioxide
Temperate Rain Forest
Social Ecology
25. The amount of pests needed before spraying pesticides is economical.
Economic Threshold
Assimilation
Clean Air Act
Aldo Leopold
26. The combination of evaporation from the ocean - lakes - and other bodies of water and transpiration - the loss of water from plants.
Tundra
Evapotranspiration
Clean Air Act
Condensation
27. Growing only one crop at a time.
Biodiversity
Monoculture
Superfund Law
Polyculture
28. Modern man.
Resource Partitioning
Hydrologic Cycle
Homo Sapiens
Environmental Protection Agency
29. 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
Commensalism
Antarctica
Prokaryotes
30. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Biosphere
Ecology
Grasslands
Ecosystem
31. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Ecological Niche
Gross Primary Product
Oligotrophs
K-Selected Populations
32. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Precipitation
Biogeochemical Cycle
Cosmetic Spraying
Economic Threshold
33. An act which required the EPA to set standards for drinking water.
Infiltration
Safe Drinking Water Act
Troposphere
Superfund Law
34. 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.
Gross Primary Product
Wilderness Act
Wildlife Management
Community
35. Consumers which eat both plants and animals.
Lithosphere
Precipitation
Omnivores
Eutrophication
36. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Agroforestry
Nitrogen Fixation
Eukaryotes
Australopithecus Afarensis
37. The coexistence of two species using the same resource where the two will use the resource in different ways.
Vienna Convention for the Protection of the Ozone Layer
Resource Partitioning
Monoculture
Homo Habilis
38. The UN's first major conference on environmental issues.
Ozone
Silent Spring
Stockholm Conference
Kyoto Protocol
39. Populations characterized by small size - short lifespan - and lots of offspring.
Silent Spring
Surface Run-Off
R-Selected Populations
Taiga
40. Animals which eat grass and roots.
Thermosphere
Grazers
K-Selected Populations
Taiga
41. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Methane
Environmental Protection Agency
Indicator Species
Ecosystem
42. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Evaporation
Exosphere
Ecology
Oligotrophs
43. The position of an organism on the food chain.
Superfund Law
Nitrous Oxide
Trophic Level
Carnivores
44. Organisms which consume autotrophs for food.
Hetrotrophs
Sublimation
Intensive Subsistence Farming
Non-government Organizations
45. A forest near the equator with heavy rainfall and a great diversity of plant and animal life. Although a mere 2% of the earth is covered with these forests - they contain 50-80% of earth's land species.
Earth Summit
Tropical Rain Forest
Resource Partitioning
Turbidity
46. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Agroforestry
Temperature Inversion
Grasslands
Kyoto Protocol
47. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Sublimation
Coniferous Forest
Interception
Toxic Substances Control Act
48. The area between the troposphere and the stratosphere. Here the temperature reverses from decreasing to increasing with altitude.
Carnivores
Alley Cropping
Tropopause
Hetrotrophs
49. 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
R-Selected Populations
Indicator Species
World Trade Organization
Antarctica
50. A layer of gasses surrounding the earth.
Biogeochemical Cycle
Nitrification
Savannah
Atmosphere
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