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. A rainforest in the temperate zone which receives heavy rainfall.
Antarctica
Evapotranspiration
Temperate Rain Forest
Exosphere
2. Evolution in one organism due to change in a related organism.
Coevolution
Mesosphere
Copiotrophs
Thermosphere
3. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Earth Summit
Grasslands
Ozone
Brackish Water
4. An act which protects certain lands as national parks.
Atmosphere
Ecology
Deserts
Wilderness Act
5. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Transpiration
Condensation
Brackish Water
Subsistence Farming
6. An international convention which created the framework for protecting the ozone layer.
Eukaryotes
Carnivores
Vienna Convention for the Protection of the Ozone Layer
Hetrotrophs
7. An act which set standards for the amount of pollution in water.
Taiga
Air Pollution
Water Pollution Control Act
National Environmental Policy Act
8. 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.
Wildlife Management
Aldo Leopold
Biosphere
Keystone Species
9. A type of symbiosis where one species benefit at the expense of the other.
Coevolution
Parasitism
Trophic Level
UN Conference on Population and Development
10. An especially potent greenhouse gas emitted during production and transportation of fossil fuels - decomposition of organic matter - and herds of livestock.
Taiga
National Environmental Policy Act
Estuary
Methane
11. Growing more than one crop at a time.
Earth Summit
Hydrologic Cycle
Autotrophs
Polyculture
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.
Keystone Species
Environmental Protection Agency
Environmental Ethics
Antarctica
13. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Shifting Agriculture
Social Ecology
Savannah
Montreal Protocol
14. 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.
Vienna Convention for the Protection of the Ozone Layer
Troposphere
Deserts
Savannah
15. 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
Grazers
Antarctica
Polyculture
Non-government Organizations
16. Forests found in the northern regions of North America - Europe - and Asia characterized by freezing winters and warmer summers. These forests lie just below the tree line.
Environmental Ethics
Precipitation
Taiga
Competitive Exclusion
17. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Commensalism
Estuary
Denitrification
Nitrous Oxide
18. Plants taking in nitrates from the soil.
Indicator Species
Assimilation
Economic Threshold
Browsers
19. The study of the interaction between organisms and their environment.
Hydrosphere
Ecology
Homo Sapiens
Thermosphere
20. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Surface Run-Off
Prokaryotes
Consumers
Advection
21. All members of a species which live in the same area.
Thermosphere
Condensation
Deserts
Population
22. Different species living in close contact with each other.
Transpiration
Symbiosis
Biogeochemical Cycle
Organism
23. Organisms which eat other organisms.
Earth Summit
Grasslands
Consumers
Infiltration
24. 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.
Omnivores
Eutrophication
Vienna Convention for the Protection of the Ozone Layer
Stratosphere
25. The crust and upper mantle of the earth.
Toxic Substances Control Act
Aldo Leopold
Lithosphere
Brackish Water
26. An act requiring federal agencies to detail the impact of proposed environmental policies.
Species
Resource Partitioning
National Environmental Policy Act
Harmful Algal Bloom
27. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Ammonification
Hetrotrophs
Nitrification
Sublimation
28. Organisms which consume autotrophs for food.
Hetrotrophs
Vienna Convention for the Protection of the Ozone Layer
Earth Summit
Condensation
29. The process by which pollutants are carried by flowing water - such as a river.
Advection
Producers
Lithosphere
Antarctica
30. A layer of gasses surrounding the earth.
Toxic Substances Control Act
Tropopause
Atmosphere
Ecology
31. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Biomes
Social Ecology
Superfund Law
Hydrosphere
32. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Troposphere
Ecological Niche
Intensive Subsistence Farming
Air Pollution
33. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Deciduous Forest
Biodiversity
Taiga
Temperate Rain Forest
34. The uppermost atmospheric layer. Here satellites orbit the earth.
Omnivores
Copiotrophs
Exosphere
Montreal Protocol
35. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
World Trade Organization
Earth Summit
Snowmelt
Troposphere
36. The UN's first major conference on environmental issues.
Wilderness Act
Stockholm Conference
Ecosystem
Parasitism
37. The biggest atmospheric layer. Without ozone - UV radiation causes ionization and the auroras in this layer.
Non-government Organizations
Prokaryotes
Thermosphere
Polyculture
38. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Mesosphere
Monoculture
Surface Run-Off
Precipitation
39. The process of planting trees in between other crops.
Alley Cropping
Aldo Leopold
Nitrification
Methane
40. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Superfund Law
Snowmelt
Nitrification
Brackish Water
41. 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.
Social Ecology
Environmental Ethics
Acid Rain
National Environmental Policy Act
42. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Tundra
Aldo Leopold
Browsers
Copiotrophs
43. 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
Precipitation
Detrivores
Hetrotrophs
Air Pollution
44. Consumers which eat only other animals.
Environmental Protection Agency
Methane
Detrivores
Carnivores
45. Consumers which eat both plants and animals.
Environmental Protection Agency
Omnivores
Advection
Producers
46. 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
Acid Rain
Consumers
Biodiversity
47. An extinct hominid species believed to be the last common ancestor between man and apes.
Acid Rain
Sahelanthropus Tchadensis
Community
Wilderness Act
48. A community of similar living organisms largely affected by the area's climate.
Biomes
Speciation
Intensive Subsistence Farming
Organism
49. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Subsurface flow
Lithosphere
Toxic Substances Control Act
Resource Partitioning
50. The rate at which producers create organic material.
Keystone Species
Homo Erectus
Gross Primary Product
Oligotrophs