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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. 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
Ecotone
Antarctica
Nitrous Oxide
Interception
2. A partially enclosed part of the ocean with rivers or streams flowing into it.
Ammonification
Non-government Organizations
Parasitism
Estuary
3. A type of symbiosis where one species benefit at the expense of the other.
National Environmental Policy Act
Shifting Agriculture
Parasitism
Carnivores
4. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
National Environmental Policy Act
Grasslands
Tundra
Neanderthals
5. An extinct hominid species with near the same brain capacity as modern man believed to use fire and stone tools - live a hunter/gatherer lifestyle - and speak a language.
Superfund Law
Hydrologic Cycle
Homo Erectus
Interplanting
6. Populations characterized by large size - long lifespan - and few offspring.
Air Pollution
K-Selected Populations
Biomes
Alley Cropping
7. A group of similar organisms capable of interbreeding.
Estuary
Coevolution
Species
Coniferous Forest
8. All members of a species which live in the same area.
Assimilation
Detrivores
Population
Ozone
9. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Competitive Exclusion
Mesosphere
Copiotrophs
Tundra
10. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Detrivores
Commensalism
Water Pollution Control Act
Biosphere
11. Any living thing on earth.
Tropical Rain Forest
Montreal Protocol
Polyculture
Organism
12. An international organization designed to promote free trade between countries.
World Trade Organization
Clean Air Act
Stratosphere
UN Conference on Population and Development
13. Organisms which create their own food out of inorganic (abiotic) substances.
Producers
Biomes
Grasslands
Montreal Protocol
14. The biggest atmospheric layer. Without ozone - UV radiation causes ionization and the auroras in this layer.
Species
Coniferous Forest
Nitrification
Thermosphere
15. The spraying of pesticides to prevent a pest problem before it happens.
Aldo Leopold
Assimilation
Insurance Spraying
Coniferous Forest
16. 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.
Insurance Spraying
Snowmelt
Competitive Exclusion
Wilderness Act
17. Organisms with a nucleus.
Eukaryotes
Total Fertility Rate
Exosphere
Grasslands
18. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Grasslands
Toxic Substances Control Act
Eukaryotes
Ammonification
19. 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.
Environmental Protection Agency
Grazers
Environmental Ethics
Nitrogen Fixation
20. The UN's first major conference on environmental issues.
Denitrification
Stockholm Conference
Turbidity
Precipitation
21. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Brackish Water
Speciation
Polyculture
Deciduous Forest
22. The spraying of pesticides to keep produce from any injuries or damage.
Subsistence Farming
Ammonification
Precipitation
Cosmetic Spraying
23. 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
Hydrologic Cycle
Kyoto Protocol
Water Pollution Control Act
24. The process by which a new species is created. This process generally requires geographic isolation to prevent interbreeding between the newly emerging species and the parent species.
Subsistence Farming
Hetrotrophs
Toxic Substances Control Act
Speciation
25. The first atmospheric layer. Most weather and pollution occurs here - and the temperature decreases with altitude.
Taiga
Savannah
Troposphere
Intensive Subsistence Farming
26. 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.
Oligotrophs
Intensive Subsistence Farming
Organism
Advection
27. A variety of species living together.
Hydrologic Cycle
Mutualism
Community
Eutrophication
28. Consumers which eat only other animals.
Hydrosphere
Evaporation
Carnivores
Chaparral
29. Organisms which eat other organisms.
Consumers
Mesosphere
Vienna Convention for the Protection of the Ozone Layer
Indicator Species
30. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Homo Erectus
Australopithecus Afarensis
Nitrous Oxide
Savannah
31. An international convention which created the framework for protecting the ozone layer.
Eukaryotes
National Environmental Policy Act
Vienna Convention for the Protection of the Ozone Layer
Snowmelt
32. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Deserts
Nitrification
Ecological Niche
Precipitation
33. The process of surface water entering the soil. This ensures that plants have adequate access to water.
Savannah
Environmental Protection Agency
Water Pollution Control Act
Infiltration
34. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Tropical Rain Forest
Evapotranspiration
Homo Habilis
Agroforestry
35. Precipitation which does not reach the soil but is instead collected by plants.
UN Conference on Population and Development
Hydrologic Cycle
Interception
Biosphere
36. 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.
Harmful Algal Bloom
Mutualism
Eutrophication
Coniferous Forest
37. The process by which pollutants are carried by flowing water - such as a river.
Hydrologic Cycle
Advection
Eutrophication
Wilderness Act
38. The flow of water in the water table.
Neanderthals
Exosphere
Subsurface flow
Chaparral
39. The middle atmospheric layer. Meteors burn up after entering this layer.
Mesosphere
Exosphere
Commensalism
Gross Primary Product
40. The process of planting trees in between other crops.
Alley Cropping
Stratosphere
Infiltration
Environmental Protection Agency
41. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Harmful Algal Bloom
Wildlife Management
Keystone Species
Carnivores
42. Plants taking in nitrates from the soil.
Sublimation
Condensation
Assimilation
Antarctica
43. An international protocol designed to stabilize global warming.
Biodiversity
Kyoto Protocol
Exosphere
Competitive Exclusion
44. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Endangered Species Act
Lithosphere
Nitrification
Cosmetic Spraying
45. Organisms which consume autotrophs for food.
Hetrotrophs
Harmful Algal Bloom
Troposphere
Biosphere
46. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
UN Conference on Population and Development
Tropopause
Biogeochemical Cycle
Homo Habilis
47. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Browsers
Biosphere
Montreal Protocol
Air Pollution
48. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Sahelanthropus Tchadensis
Evaporation
Organism
National Environmental Policy Act
49. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Subsistence Farming
Surface Run-Off
Aldo Leopold
Copiotrophs
50. An extinct hominid species believed to be the last common ancestor between man and apes.
Sahelanthropus Tchadensis
Carbon Dioxide
UN Conference on Population and Development
Endangered Species Act