SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Environmental Protection Agency
Nitrification
Prokaryotes
Economic Threshold
2. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Neanderthals
Australopithecus Afarensis
Oligotrophs
Commensalism
3. An international protocol designed to stabilize global warming.
Biogeochemical Cycle
Kyoto Protocol
Stratosphere
Superfund Law
4. Political organizations not affiliated with the government which try to bring about social change.
Non-government Organizations
Carnivores
Homo Habilis
Resource Partitioning
5. The rate at which producers create organic material.
Evaporation
Detrivores
Gross Primary Product
Estuary
6. All of the ecosystems on earth.
Exosphere
Coevolution
Sahelanthropus Tchadensis
Biosphere
7. The area between the troposphere and the stratosphere. Here the temperature reverses from decreasing to increasing with altitude.
Tropopause
Homo Sapiens
Advection
Silent Spring
8. Average expected birth rate for 1 -000 women.
Eukaryotes
Non-government Organizations
Total Fertility Rate
Antarctica
9. The process by which pollutants are carried by flowing water - such as a river.
Transpiration
Advection
Population
Atmosphere
10. 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.
Sahelanthropus Tchadensis
Wildlife Management
Australopithecus Afarensis
Homo Erectus
11. Plants taking in nitrates from the soil.
Commensalism
Assimilation
Carbon Dioxide
Silent Spring
12. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Neanderthals
Cosmetic Spraying
Subsistence Farming
Trophic Level
13. A transitional area between two different ecosystems.
Species
Homo Sapiens
Ecotone
Interplanting
14. An act which required the EPA to set standards for drinking water.
Safe Drinking Water Act
Interception
Wildlife Management
Environmental Protection Agency
15. The cloudiness of a liquid due to small suspended particles.
Silent Spring
Homo Sapiens
Turbidity
Commensalism
16. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Gross Primary Product
Autotrophs
Hetrotrophs
Ammonification
17. The loss of water vapor from leaves.
Vienna Convention for the Protection of the Ozone Layer
Atmosphere
Advection
Transpiration
18. A community of species interacting with their nonliving (abiotic) environment.
Neanderthals
Ecosystem
Carbon Dioxide
Deserts
19. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Species
Precipitation
Toxic Substances Control Act
Montreal Protocol
20. The process of planting trees in between other crops.
Ecology
Autotrophs
Alley Cropping
Keystone Species
21. Animals which eat leaves and shoots.
Sublimation
Browsers
Water Pollution Control Act
Air Pollution
22. The spraying of pesticides to keep produce from any injuries or damage.
Cosmetic Spraying
R-Selected Populations
Parasitism
Homo Sapiens
23. Consumers which eat decomposing organic material.
Social Ecology
Gross Primary Product
Non-government Organizations
Detrivores
24. A partially enclosed part of the ocean with rivers or streams flowing into it.
Environmental Protection Agency
Assimilation
Estuary
Polyculture
25. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Ecotone
Toxic Substances Control Act
Ecology
Autotrophs
26. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Evaporation
Mesosphere
World Trade Organization
Indicator Species
27. A type of symbiosis where each species will benefit from interacting with the other.
Intensive Subsistence Farming
Mutualism
Prokaryotes
Monoculture
28. 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.
Chaparral
Keystone Species
Clean Air Act
Mutualism
29. An especially potent greenhouse gas emitted during production and transportation of fossil fuels - decomposition of organic matter - and herds of livestock.
Methane
Toxic Substances Control Act
Monoculture
Ozone
30. A UN conference that addressed the growing population problem.
Brackish Water
UN Conference on Population and Development
Estuary
Ecosystem
31. 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.
Hydrologic Cycle
Homo Sapiens
Competitive Exclusion
Chaparral
32. Growing more than one crop at a time.
Polyculture
Air Pollution
Estuary
Snowmelt
33. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Ecological Niche
Aldo Leopold
Gross Primary Product
Exosphere
34. A layer of gasses surrounding the earth.
Total Fertility Rate
Condensation
Atmosphere
Harmful Algal Bloom
35. Organisms which eat other organisms.
Grasslands
Wildlife Management
Consumers
World Trade Organization
36. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Producers
Temperate Rain Forest
Earth Summit
Neanderthals
37. A group of similar organisms capable of interbreeding.
Oligotrophs
Species
Water Pollution Control Act
Surface Run-Off
38. Populations characterized by small size - short lifespan - and lots of offspring.
Estuary
Clean Air Act
R-Selected Populations
Organism
39. Surface run-off caused by melted snow.
Eukaryotes
Snowmelt
Biomes
Brackish Water
40. An extinct hominid species believed to be the last common ancestor between man and apes.
Tropopause
Sahelanthropus Tchadensis
Condensation
Ecotone
41. Organisms which consume autotrophs for food.
Alley Cropping
National Environmental Policy Act
Antarctica
Hetrotrophs
42. An act created to protect endangered and threatened species.
Earth Summit
Endangered Species Act
Water Pollution Control Act
Oligotrophs
43. Single-celled organisms which lack a nucleus.
Prokaryotes
Agroforestry
Hydrosphere
Tundra
44. Organisms with a nucleus.
Assimilation
Hydrologic Cycle
Eukaryotes
Biodiversity
45. Organisms which produce their own food.
Browsers
Social Ecology
Autotrophs
Agroforestry
46. The middle atmospheric layer. Meteors burn up after entering this layer.
Mesosphere
Exosphere
Denitrification
Speciation
47. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Insurance Spraying
Coevolution
Nitrogen Fixation
Omnivores
48. The UN's first major conference on environmental issues.
Oligotrophs
Coevolution
Stockholm Conference
Savannah
49. An act which protects certain lands as national parks.
Wilderness Act
Hetrotrophs
Agroforestry
Savannah
50. Different species living in close contact with each other.
Symbiosis
Turbidity
Eukaryotes
Monoculture