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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 forest found in temperate regions with warm summers - cool winters - and plenty of rainfall. These kinds of forests are characterized by evergreens and deciduous trees.
Safe Drinking Water Act
UN Conference on Population and Development
Interception
Coniferous Forest
2. A group of similar organisms capable of interbreeding.
National Environmental Policy Act
Species
Brackish Water
Grasslands
3. A type of farming where the farmer will fell and burn down trees to grow crops. After a few years - he will move on and continue the process.
Shifting Agriculture
Biomes
Producers
Interplanting
4. All members of a species which live in the same area.
Population
Coevolution
Eutrophication
Hydrosphere
5. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Turbidity
Grasslands
Stockholm Conference
Atmosphere
6. 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.
Evaporation
Wildlife Management
Indicator Species
Temperate Rain Forest
7. 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.
Intensive Subsistence Farming
Turbidity
Cosmetic Spraying
Stratosphere
8. Organisms with a nucleus.
Eukaryotes
Methane
Competitive Exclusion
Hetrotrophs
9. 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.
Deserts
Competitive Exclusion
Browsers
Carnivores
10. 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.
Infiltration
Taiga
Environmental Ethics
Surface Run-Off
11. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Biosphere
Speciation
Gross Primary Product
Ammonification
12. An act which protects certain lands as national parks.
World Trade Organization
Clean Air Act
Advection
Wilderness Act
13. A variety of species living together.
Air Pollution
Hydrosphere
Kyoto Protocol
Community
14. 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
Symbiosis
Eukaryotes
Antarctica
Intensive Subsistence Farming
15. Organisms which eat other organisms.
R-Selected Populations
Tundra
Consumers
Superfund Law
16. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Aldo Leopold
Environmental Protection Agency
Speciation
Lithosphere
17. The cloudiness of a liquid due to small suspended particles.
Homo Sapiens
Eukaryotes
Gross Primary Product
Turbidity
18. Growing more than one crop at a time.
Omnivores
Detrivores
Ecological Niche
Polyculture
19. A theory that our current ecological problems are a product of deeper social problems.
Exosphere
Interception
Social Ecology
Nitrification
20. The study of the interaction between organisms and their environment.
Australopithecus Afarensis
Ecology
Nitrous Oxide
Subsistence Farming
21. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Nitrification
K-Selected Populations
Detrivores
Montreal Protocol
22. Animals which eat leaves and shoots.
Grasslands
Cosmetic Spraying
Browsers
Deserts
23. The middle atmospheric layer. Meteors burn up after entering this layer.
Indicator Species
Mesosphere
Wildlife Management
Taiga
24. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Insurance Spraying
Eukaryotes
Brackish Water
Agroforestry
25. A type of symbiosis where each species will benefit from interacting with the other.
Omnivores
Mutualism
Exosphere
Environmental Protection Agency
26. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Neanderthals
Commensalism
Homo Habilis
Organism
27. Biomes with less than 10 inches of rain a year. Foliage is scarce in these areas - and remaining plants and animals work hard to conserve the little water they receive.
Deserts
Prokaryotes
Social Ecology
Carnivores
28. The biggest atmospheric layer. Without ozone - UV radiation causes ionization and the auroras in this layer.
Condensation
Antarctica
Thermosphere
Ecology
29. The spraying of pesticides to prevent a pest problem before it happens.
Population
Tundra
Insurance Spraying
Lithosphere
30. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Homo Habilis
Environmental Ethics
Environmental Protection Agency
Biosphere
31. The area between the troposphere and the stratosphere. Here the temperature reverses from decreasing to increasing with altitude.
Exosphere
Tropopause
Nitrogen Fixation
Toxic Substances Control Act
32. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Speciation
Indicator Species
Species
Non-government Organizations
33. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Earth Summit
Thermosphere
Grasslands
Speciation
34. 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.
Eutrophication
Competitive Exclusion
Superfund Law
Browsers
35. A partially enclosed part of the ocean with rivers or streams flowing into it.
Estuary
Detrivores
Homo Erectus
Eutrophication
36. The process of a gas transforming into a liquid.
Interplanting
Condensation
Evapotranspiration
Gross Primary Product
37. An international convention which created the framework for protecting the ozone layer.
Vienna Convention for the Protection of the Ozone Layer
Organism
Montreal Protocol
Social Ecology
38. An act which established and enforced acceptable levels of air pollution.
Clean Air Act
Atmosphere
Parasitism
Tundra
39. An international protocol designed to stabilize global warming.
Turbidity
Hetrotrophs
Organism
Kyoto Protocol
40. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Methane
Interplanting
Biomes
Sublimation
41. A greenhouse gas which also plays a key role in regulating ozone levels.
Nitrous Oxide
Stratosphere
Homo Habilis
Browsers
42. All of the ecosystems on earth.
Grazers
Monoculture
Surface Run-Off
Biosphere
43. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Precipitation
K-Selected Populations
Homo Habilis
Trophic Level
44. A rainforest in the temperate zone which receives heavy rainfall.
Environmental Ethics
Subsistence Farming
Temperate Rain Forest
Evapotranspiration
45. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Tundra
Deserts
Grazers
Browsers
46. Plants taking in nitrates from the soil.
Transpiration
Assimilation
Eukaryotes
Subsurface flow
47. The infiltration of harmful chemicals - particles - or biological matter into the atmosphere which endanger living organisms. Pollutants include sulfur and nitrogen oxides - ammonia - and chlorofluorocarbons. Although there are natural sources for th
Total Fertility Rate
Evapotranspiration
Browsers
Air Pollution
48. The crust and upper mantle of the earth.
Advection
Lithosphere
Ozone
Australopithecus Afarensis
49. The process of planting trees in between other crops.
Alley Cropping
Eutrophication
Commensalism
Hydrosphere
50. Organisms which produce their own food.
Lithosphere
Biogeochemical Cycle
Oligotrophs
Autotrophs