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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. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Copiotrophs
Assimilation
Omnivores
Earth Summit
2. Precipitation which does not reach the soil but is instead collected by plants.
Advection
Precipitation
Insurance Spraying
Interception
3. Average expected birth rate for 1 -000 women.
Total Fertility Rate
Stockholm Conference
Social Ecology
Nitrogen Fixation
4. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Temperature Inversion
Ozone
Surface Run-Off
Ecological Niche
5. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Surface Run-Off
Troposphere
Economic Threshold
Evaporation
6. An international organization designed to promote free trade between countries.
Biosphere
Oligotrophs
World Trade Organization
Savannah
7. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Subsistence Farming
Mutualism
Lithosphere
Stratosphere
8. 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.
Grazers
Tundra
Carbon Dioxide
Resource Partitioning
9. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Commensalism
Turbidity
Biomes
Precipitation
10. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Snowmelt
Ammonification
Parasitism
Montreal Protocol
11. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Grasslands
Sublimation
R-Selected Populations
Kyoto Protocol
12. The conversion of nitrates into nitrogen gas.
Cosmetic Spraying
Denitrification
Economic Threshold
Mesosphere
13. Growing only one crop at a time.
Antarctica
Eukaryotes
Monoculture
Nitrification
14. The process of planting different plant species right next to each other to maximize one's yield.
Exosphere
Interplanting
Carbon Dioxide
Omnivores
15. A greenhouse gas which also plays a key role in regulating ozone levels.
Deciduous Forest
Nitrous Oxide
Tundra
Denitrification
16. A community of similar living organisms largely affected by the area's climate.
Silent Spring
Sublimation
Tundra
Biomes
17. An act which set standards for the amount of pollution in water.
Non-government Organizations
Water Pollution Control Act
Agroforestry
Tropopause
18. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Homo Sapiens
Nitrogen Fixation
National Environmental Policy Act
Aldo Leopold
19. The coexistence of two species using the same resource where the two will use the resource in different ways.
Resource Partitioning
Hydrologic Cycle
Social Ecology
Prokaryotes
20. A group of similar organisms capable of interbreeding.
Species
Nitrification
Condensation
Aldo Leopold
21. An act which established and enforced acceptable levels of air pollution.
Non-government Organizations
Air Pollution
Ecotone
Clean Air Act
22. Political organizations not affiliated with the government which try to bring about social change.
Hetrotrophs
Stratosphere
Biodiversity
Non-government Organizations
23. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Oligotrophs
Toxic Substances Control Act
Deciduous Forest
Temperate Rain Forest
24. 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.
Alley Cropping
Resource Partitioning
Wildlife Management
Community
25. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Clean Air Act
Ecotone
R-Selected Populations
Montreal Protocol
26. Animals which eat grass and roots.
Social Ecology
Montreal Protocol
Grazers
Neanderthals
27. The spraying of pesticides to prevent a pest problem before it happens.
Transpiration
Snowmelt
Insurance Spraying
Turbidity
28. The process by which pollutants are carried by flowing water - such as a river.
Tropical Rain Forest
Intensive Subsistence Farming
Surface Run-Off
Advection
29. Organisms which produce their own food.
World Trade Organization
Wildlife Management
Autotrophs
Montreal Protocol
30. An extinct hominid species believed to be the last common ancestor between man and apes.
Turbidity
Sahelanthropus Tchadensis
Earth Summit
Wilderness Act
31. The combination of evaporation from the ocean - lakes - and other bodies of water and transpiration - the loss of water from plants.
Nitrogen Fixation
Evapotranspiration
Taiga
Mutualism
32. 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.
Social Ecology
Silent Spring
Subsurface flow
Eutrophication
33. Different species living in close contact with each other.
Symbiosis
Methane
Ecological Niche
Biosphere
34. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Australopithecus Afarensis
Eukaryotes
Population
Ecological Niche
35. Evolution in one organism due to change in a related organism.
Coevolution
Biomes
Mesosphere
Browsers
36. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Environmental Protection Agency
Homo Habilis
Autotrophs
Taiga
37. An influential book by Rachel Carson which helped begin the environmental movement.
Chaparral
Exosphere
Sahelanthropus Tchadensis
Silent Spring
38. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Neanderthals
Agroforestry
Troposphere
Tundra
39. The uppermost atmospheric layer. Here satellites orbit the earth.
Silent Spring
Assimilation
Turbidity
Exosphere
40. Organisms with a nucleus.
Superfund Law
Methane
Hydrologic Cycle
Eukaryotes
41. Consumers which eat decomposing organic material.
Homo Habilis
Toxic Substances Control Act
Detrivores
Montreal Protocol
42. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Biogeochemical Cycle
Hydrosphere
Brackish Water
Trophic Level
43. A layer of gasses surrounding the earth.
Infiltration
Kyoto Protocol
Atmosphere
Estuary
44. 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.
Condensation
Interception
Total Fertility Rate
Biodiversity
45. The rapid increase of harmful algae in a body of water.
Deciduous Forest
Interplanting
Evaporation
Harmful Algal Bloom
46. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Australopithecus Afarensis
Population
Chaparral
Precipitation
47. An international protocol designed to stabilize global warming.
Australopithecus Afarensis
Condensation
Kyoto Protocol
Wilderness Act
48. Consumers which eat both plants and animals.
Infiltration
Omnivores
Troposphere
Endangered Species Act
49. The crust and upper mantle of the earth.
Thermosphere
Shifting Agriculture
Lithosphere
Species
50. A theory that our current ecological problems are a product of deeper social problems.
Social Ecology
Kyoto Protocol
Trophic Level
Environmental Ethics