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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 process of surface water entering the soil. This ensures that plants have adequate access to water.
Homo Erectus
Infiltration
Symbiosis
Consumers
2. Growing more than one crop at a time.
Environmental Ethics
Environmental Protection Agency
Autotrophs
Polyculture
3. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Montreal Protocol
Earth Summit
Trophic Level
Intensive Subsistence Farming
4. A partially enclosed part of the ocean with rivers or streams flowing into it.
Omnivores
Estuary
Condensation
Wildlife Management
5. Precipitation which does not reach the soil but is instead collected by plants.
Nitrous Oxide
Carbon Dioxide
Interception
Evaporation
6. The UN's first major conference on environmental issues.
Homo Erectus
Stockholm Conference
Alley Cropping
Deciduous Forest
7. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Nitrous Oxide
National Environmental Policy Act
Evaporation
Precipitation
8. Organisms which consume autotrophs for food.
Silent Spring
Insurance Spraying
Carbon Dioxide
Hetrotrophs
9. Surface run-off caused by melted snow.
Snowmelt
Brackish Water
Clean Air Act
Monoculture
10. The loss of water vapor from leaves.
Clean Air Act
Transpiration
Hetrotrophs
Community
11. An act which set standards for the amount of pollution in water.
Competitive Exclusion
Oligotrophs
Water Pollution Control Act
Chaparral
12. The biggest atmospheric layer. Without ozone - UV radiation causes ionization and the auroras in this layer.
Evaporation
Browsers
Superfund Law
Thermosphere
13. The cloudiness of a liquid due to small suspended particles.
Turbidity
Resource Partitioning
Intensive Subsistence Farming
Interception
14. Modern man.
Assimilation
Montreal Protocol
Hetrotrophs
Homo Sapiens
15. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Coniferous Forest
Copiotrophs
Homo Sapiens
Population
16. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Coniferous Forest
Homo Habilis
Vienna Convention for the Protection of the Ozone Layer
Troposphere
17. Political organizations not affiliated with the government which try to bring about social change.
Non-government Organizations
R-Selected Populations
Stratosphere
Coniferous Forest
18. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Australopithecus Afarensis
Denitrification
World Trade Organization
Homo Habilis
19. Single-celled organisms which lack a nucleus.
Alley Cropping
Prokaryotes
Wildlife Management
Clean Air Act
20. 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.
Species
Chaparral
Copiotrophs
Transpiration
21. The spraying of pesticides to keep produce from any injuries or damage.
Infiltration
Detrivores
Cosmetic Spraying
Ammonification
22. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Commensalism
Oligotrophs
Safe Drinking Water Act
Carnivores
23. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Taiga
Ammonification
Acid Rain
Condensation
24. Plants taking in nitrates from the soil.
Omnivores
Neanderthals
Precipitation
Assimilation
25. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Environmental Protection Agency
Hetrotrophs
Neanderthals
Oligotrophs
26. Evolution in one organism due to change in a related organism.
Economic Threshold
Coevolution
Ammonification
R-Selected Populations
27. All of the ecosystems on earth.
Savannah
Speciation
Biosphere
Deserts
28. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Sublimation
Lithosphere
Ammonification
Environmental Protection Agency
29. Organisms which eat other organisms.
Precipitation
Interception
Consumers
Environmental Ethics
30. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Economic Threshold
Omnivores
Tundra
K-Selected Populations
31. The flow of water in the water table.
Alley Cropping
Subsurface flow
Omnivores
Keystone Species
32. The process of a gas transforming into a liquid.
Nitrous Oxide
Thermosphere
Acid Rain
Condensation
33. A theory that our current ecological problems are a product of deeper social problems.
Social Ecology
Consumers
Competitive Exclusion
Infiltration
34. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Deserts
Hydrologic Cycle
Surface Run-Off
Thermosphere
35. Growing only one crop at a time.
Kyoto Protocol
Monoculture
Tropopause
Thermosphere
36. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Sublimation
Sahelanthropus Tchadensis
Keystone Species
R-Selected Populations
37. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Superfund Law
Savannah
Turbidity
Nitrification
38. 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
Air Pollution
Neanderthals
Keystone Species
Evaporation
39. The position of an organism on the food chain.
Trophic Level
World Trade Organization
Coevolution
Interception
40. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Autotrophs
Harmful Algal Bloom
Ecological Niche
Browsers
41. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Interception
Browsers
Economic Threshold
Superfund Law
42. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Agroforestry
Temperate Rain Forest
Indicator Species
Interplanting
43. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Resource Partitioning
Exosphere
Sublimation
Biogeochemical Cycle
44. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Wilderness Act
Subsistence Farming
Superfund Law
Hydrologic Cycle
45. The middle atmospheric layer. Meteors burn up after entering this layer.
Deserts
Mesosphere
Carbon Dioxide
Thermosphere
46. A type of symbiosis where one species benefit at the expense of the other.
Temperate Rain Forest
Troposphere
Parasitism
National Environmental Policy Act
47. The spraying of pesticides to prevent a pest problem before it happens.
Sublimation
Insurance Spraying
Speciation
Economic Threshold
48. An act requiring federal agencies to detail the impact of proposed environmental policies.
National Environmental Policy Act
Grasslands
Environmental Ethics
Hydrosphere
49. 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.
Agroforestry
Cosmetic Spraying
Interception
Speciation
50. The crust and upper mantle of the earth.
Lithosphere
Wildlife Management
Oligotrophs
Detrivores