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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. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Wildlife Management
Neanderthals
Agroforestry
Water Pollution Control Act
2. A UN conference that addressed the growing population problem.
Savannah
Environmental Protection Agency
Air Pollution
UN Conference on Population and Development
3. A theory that our current ecological problems are a product of deeper social problems.
Infiltration
Ecological Niche
Biomes
Social Ecology
4. 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.
Deciduous Forest
Chaparral
Hydrosphere
Neanderthals
5. A transitional area between two different ecosystems.
Lithosphere
Ecotone
Evaporation
Autotrophs
6. Modern man.
Homo Sapiens
Turbidity
Resource Partitioning
Competitive Exclusion
7. The position of an organism on the food chain.
Turbidity
Trophic Level
Ammonification
Intensive Subsistence Farming
8. An act requiring federal agencies to detail the impact of proposed environmental policies.
National Environmental Policy Act
Australopithecus Afarensis
Thermosphere
Coniferous Forest
9. A layer of gasses surrounding the earth.
Atmosphere
Montreal Protocol
Earth Summit
Producers
10. A community of similar living organisms largely affected by the area's climate.
Biomes
Superfund Law
Sublimation
Species
11. 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
Antarctica
Chaparral
Infiltration
Gross Primary Product
12. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Antarctica
Ammonification
Copiotrophs
Estuary
13. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Biosphere
Neanderthals
Prokaryotes
Keystone Species
14. Plants taking in nitrates from the soil.
Social Ecology
Australopithecus Afarensis
Alley Cropping
Assimilation
15. 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.
World Trade Organization
Shifting Agriculture
Atmosphere
Speciation
16. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Subsistence Farming
Savannah
Hydrosphere
Detrivores
17. 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.
K-Selected Populations
Sublimation
Competitive Exclusion
Coniferous Forest
18. The spraying of pesticides to prevent a pest problem before it happens.
Insurance Spraying
Ammonification
Precipitation
Speciation
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 Ethics
Atmosphere
Oligotrophs
Grazers
20. The conversion of nitrates into nitrogen gas.
Denitrification
Toxic Substances Control Act
Symbiosis
Ammonification
21. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Surface Run-Off
Consumers
Montreal Protocol
Ecological Niche
22. Populations characterized by large size - long lifespan - and few offspring.
Vienna Convention for the Protection of the Ozone Layer
Temperature Inversion
Alley Cropping
K-Selected Populations
23. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Brackish Water
Surface Run-Off
Ecological Niche
Alley Cropping
24. The crust and upper mantle of the earth.
Population
Infiltration
Interplanting
Lithosphere
25. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Vienna Convention for the Protection of the Ozone Layer
Polyculture
Biogeochemical Cycle
Nitrous Oxide
26. Surface run-off caused by melted snow.
Stockholm Conference
Snowmelt
Speciation
Indicator Species
27. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Population
Oligotrophs
Speciation
Grasslands
28. An international organization designed to promote free trade between countries.
World Trade Organization
Atmosphere
Tropopause
Ozone
29. The coexistence of two species using the same resource where the two will use the resource in different ways.
Estuary
Lithosphere
Resource Partitioning
Evaporation
30. Single-celled organisms which lack a nucleus.
Prokaryotes
Competitive Exclusion
Lithosphere
Parasitism
31. 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.
Wildlife Management
Deciduous Forest
Deserts
Keystone Species
32. The process of a gas transforming into a liquid.
Total Fertility Rate
Condensation
Tropical Rain Forest
Air Pollution
33. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Biogeochemical Cycle
Biomes
Snowmelt
Tundra
34. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Homo Habilis
Surface Run-Off
Carbon Dioxide
Eukaryotes
35. 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
Ecological Niche
Population
Parasitism
36. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Autotrophs
Monoculture
Biogeochemical Cycle
Sublimation
37. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Chaparral
Montreal Protocol
Mesosphere
Nitrogen Fixation
38. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Organism
Australopithecus Afarensis
Tropopause
Precipitation
39. The combination of evaporation from the ocean - lakes - and other bodies of water and transpiration - the loss of water from plants.
Air Pollution
Evapotranspiration
Denitrification
Coniferous Forest
40. Grasslands with short - widely spaced trees and no canopy - allowing for an unbroken layer of grasses beneath.
Denitrification
Commensalism
Savannah
Carnivores
41. Political organizations not affiliated with the government which try to bring about social change.
Parasitism
Non-government Organizations
Vienna Convention for the Protection of the Ozone Layer
Biogeochemical Cycle
42. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Nitrogen Fixation
Deciduous Forest
Atmosphere
Eutrophication
43. 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.
Agroforestry
Ecotone
Intensive Subsistence Farming
Homo Habilis
44. An international convention which created the framework for protecting the ozone layer.
Vienna Convention for the Protection of the Ozone Layer
Ecological Niche
World Trade Organization
Hetrotrophs
45. The biggest atmospheric layer. Without ozone - UV radiation causes ionization and the auroras in this layer.
Troposphere
Thermosphere
Chaparral
Silent Spring
46. The spraying of pesticides to keep produce from any injuries or damage.
Safe Drinking Water Act
Cosmetic Spraying
Environmental Protection Agency
Economic Threshold
47. The process of planting different plant species right next to each other to maximize one's yield.
Homo Habilis
Interplanting
Ozone
Browsers
48. A type of symbiosis where one species benefit at the expense of the other.
Vienna Convention for the Protection of the Ozone Layer
Parasitism
Biodiversity
Carnivores
49. 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.
Sublimation
Taiga
Detrivores
Silent Spring
50. The UN's first major conference on environmental issues.
Silent Spring
Atmosphere
Stockholm Conference
Ozone