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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. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Mutualism
Exosphere
Aldo Leopold
Evaporation
2. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Temperate Rain Forest
Montreal Protocol
Hydrosphere
Atmosphere
3. Average expected birth rate for 1 -000 women.
Silent Spring
Troposphere
Total Fertility Rate
Air Pollution
4. Also called that water cycle - this process describes the cycling of water throughout the environment. The stages of this cycle are evaporation - condensation - transportation - precipitation - infiltration and percolation - and run off.
Oligotrophs
Environmental Protection Agency
Monoculture
Hydrologic Cycle
5. A type of symbiosis where each species will benefit from interacting with the other.
Hydrologic Cycle
Homo Erectus
Population
Mutualism
6. 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
Assimilation
Vienna Convention for the Protection of the Ozone Layer
Montreal Protocol
7. The study of the interaction between organisms and their environment.
Ecology
Biogeochemical Cycle
Neanderthals
Keystone Species
8. Consumers which eat both plants and animals.
Exosphere
Insurance Spraying
Tropical Rain Forest
Omnivores
9. The process of planting different plant species right next to each other to maximize one's yield.
Clean Air Act
Toxic Substances Control Act
Interplanting
Water Pollution Control Act
10. An act which required the EPA to set standards for drinking water.
Nitrous Oxide
Safe Drinking Water Act
Hydrosphere
Intensive Subsistence Farming
11. Consumers which eat only other animals.
Hydrologic Cycle
Mesosphere
Carnivores
Eutrophication
12. An act which protects certain lands as national parks.
Coniferous Forest
Wilderness Act
Organism
Ecosystem
13. Single-celled organisms which lack a nucleus.
Prokaryotes
Condensation
Neanderthals
Earth Summit
14. 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.
Australopithecus Afarensis
Air Pollution
Precipitation
Competitive Exclusion
15. The coexistence of two species using the same resource where the two will use the resource in different ways.
Hydrosphere
Consumers
Resource Partitioning
Monoculture
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.
Taiga
Consumers
Evaporation
UN Conference on Population and Development
17. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Keystone Species
Gross Primary Product
Agroforestry
Intensive Subsistence Farming
18. Political organizations not affiliated with the government which try to bring about social change.
Snowmelt
Kyoto Protocol
Non-government Organizations
Economic Threshold
19. Populations characterized by small size - short lifespan - and lots of offspring.
R-Selected Populations
Resource Partitioning
Intensive Subsistence Farming
Community
20. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Tundra
Biogeochemical Cycle
Harmful Algal Bloom
Stockholm Conference
21. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Biogeochemical Cycle
Thermosphere
Browsers
Assimilation
22. A greenhouse gas. Although it is a natural part of the carbon cycle - the atmospheric concentration of this gas has increased due to the burning of fossil fuels.
Biodiversity
Stockholm Conference
Carbon Dioxide
Harmful Algal Bloom
23. The process of a gas transforming into a liquid.
Condensation
Sahelanthropus Tchadensis
Population
Biogeochemical Cycle
24. Organisms which consume autotrophs for food.
Air Pollution
Hetrotrophs
Cosmetic Spraying
Hydrologic Cycle
25. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Ammonification
Precipitation
Intensive Subsistence Farming
R-Selected Populations
26. The rate at which producers create organic material.
Insurance Spraying
Australopithecus Afarensis
Hetrotrophs
Gross Primary Product
27. The first atmospheric layer. Most weather and pollution occurs here - and the temperature decreases with altitude.
Commensalism
Economic Threshold
Troposphere
Indicator Species
28. The conversion of nitrates into nitrogen gas.
Endangered Species Act
Estuary
Coniferous Forest
Denitrification
29. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Advection
Nitrification
Homo Erectus
Nitrogen Fixation
30. The uppermost atmospheric layer. Here satellites orbit the earth.
Exosphere
World Trade Organization
Population
Biosphere
31. An unstable form of oxygen which protects the earth from UV radiation. Although naturally occurring in the stratosphere (upper atmosphere) - in the lower atmosphere this gas acts as a pollutant.
Nitrogen Fixation
Neanderthals
Ozone
Silent Spring
32. Consumers which eat decomposing organic material.
Copiotrophs
Detrivores
Polyculture
Methane
33. An act requiring federal agencies to detail the impact of proposed environmental policies.
World Trade Organization
Toxic Substances Control Act
National Environmental Policy Act
Sahelanthropus Tchadensis
34. The process of surface water entering the soil. This ensures that plants have adequate access to water.
Eukaryotes
Economic Threshold
Infiltration
Homo Erectus
35. 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.
Acid Rain
Nitrous Oxide
Antarctica
Savannah
36. Precipitation which does not reach the soil but is instead collected by plants.
Browsers
Speciation
Biosphere
Interception
37. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Troposphere
Stratosphere
Total Fertility Rate
Sahelanthropus Tchadensis
38. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Intensive Subsistence Farming
Nitrification
Wildlife Management
Temperature Inversion
39. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Interception
Prokaryotes
Infiltration
Australopithecus Afarensis
40. Growing more than one crop at a time.
Gross Primary Product
Snowmelt
Polyculture
Brackish Water
41. 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.
Atmosphere
Denitrification
Deserts
Precipitation
42. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Safe Drinking Water Act
Advection
Commensalism
Earth Summit
43. The UN's first major conference on environmental issues.
Water Pollution Control Act
Stockholm Conference
Endangered Species Act
Wildlife Management
44. Different species living in close contact with each other.
Acid Rain
Monoculture
Symbiosis
Chaparral
45. The rapid increase of harmful algae in a body of water.
Temperate Rain Forest
Keystone Species
Harmful Algal Bloom
Subsurface flow
46. The flow of water in the water table.
Temperate Rain Forest
Lithosphere
Agroforestry
Subsurface flow
47. A type of farming where the farmer will fell and burn down trees to grow crops. After a few years - he will move on and continue the process.
Shifting Agriculture
Consumers
Homo Habilis
Population
48. The amount of pests needed before spraying pesticides is economical.
Economic Threshold
Deciduous Forest
Wildlife Management
Exosphere
49. A type of symbiosis where one species benefit at the expense of the other.
Air Pollution
Parasitism
Safe Drinking Water Act
Interception
50. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Agroforestry
Superfund Law
World Trade Organization
Sublimation