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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 spraying of pesticides to prevent a pest problem before it happens.
Hydrosphere
Nitrous Oxide
Deciduous Forest
Insurance Spraying
2. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
R-Selected Populations
Economic Threshold
Surface Run-Off
K-Selected Populations
3. A transitional area between two different ecosystems.
Ecotone
Indicator Species
Subsurface flow
Stratosphere
4. Organisms which eat other organisms.
Eukaryotes
R-Selected Populations
Mutualism
Consumers
5. 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.
Surface Run-Off
K-Selected Populations
Ozone
Turbidity
6. Political organizations not affiliated with the government which try to bring about social change.
Non-government Organizations
Oligotrophs
Evapotranspiration
Sahelanthropus Tchadensis
7. A theory that our current ecological problems are a product of deeper social problems.
Vienna Convention for the Protection of the Ozone Layer
Brackish Water
Polyculture
Social Ecology
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
Temperature Inversion
Monoculture
Australopithecus Afarensis
9. A community of species interacting with their nonliving (abiotic) environment.
Ecosystem
Parasitism
Biosphere
Sahelanthropus Tchadensis
10. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Insurance Spraying
Environmental Protection Agency
Economic Threshold
World Trade Organization
11. The conversion of nitrates into nitrogen gas.
Turbidity
Denitrification
Intensive Subsistence Farming
Eukaryotes
12. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Temperature Inversion
Denitrification
Brackish Water
Silent Spring
13. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Chaparral
Superfund Law
Sublimation
Detrivores
14. An act which protects certain lands as national parks.
Shifting Agriculture
Earth Summit
Wilderness Act
Condensation
15. A greenhouse gas which also plays a key role in regulating ozone levels.
Nitrous Oxide
Silent Spring
Sahelanthropus Tchadensis
Infiltration
16. An act which required the EPA to set standards for drinking water.
Ozone
Mutualism
Safe Drinking Water Act
Temperate Rain Forest
17. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Exosphere
Precipitation
Gross Primary Product
Stockholm Conference
18. 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.
Toxic Substances Control Act
Superfund Law
Estuary
Carbon Dioxide
19. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Competitive Exclusion
Biosphere
Commensalism
Kyoto Protocol
20. Populations characterized by large size - long lifespan - and few offspring.
Browsers
K-Selected Populations
Turbidity
Ammonification
21. The spraying of pesticides to keep produce from any injuries or damage.
Wilderness Act
Cosmetic Spraying
Water Pollution Control Act
Autotrophs
22. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Temperate Rain Forest
Social Ecology
Copiotrophs
Cosmetic Spraying
23. The process of surface water entering the soil. This ensures that plants have adequate access to water.
K-Selected Populations
Population
Subsistence Farming
Infiltration
24. An international protocol designed to stabilize global warming.
Turbidity
National Environmental Policy Act
Neanderthals
Kyoto Protocol
25. A group of similar organisms capable of interbreeding.
K-Selected Populations
Evaporation
Wilderness Act
Species
26. A type of symbiosis where one species benefit at the expense of the other.
Social Ecology
Parasitism
Aldo Leopold
Taiga
27. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Commensalism
Evaporation
Cosmetic Spraying
Grazers
28. 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.
Turbidity
Eutrophication
Gross Primary Product
Population
29. A forest near the equator with heavy rainfall and a great diversity of plant and animal life. Although a mere 2% of the earth is covered with these forests - they contain 50-80% of earth's land species.
Tropical Rain Forest
Ecological Niche
Superfund Law
Non-government Organizations
30. Plants taking in nitrates from the soil.
Assimilation
Hydrosphere
Biomes
Subsurface flow
31. Animals which eat grass and roots.
Polyculture
Symbiosis
Environmental Protection Agency
Grazers
32. Average expected birth rate for 1 -000 women.
Indicator Species
Total Fertility Rate
Aldo Leopold
Gross Primary Product
33. The process by which pollutants are carried by flowing water - such as a river.
Coniferous Forest
Earth Summit
Precipitation
Advection
34. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Environmental Protection Agency
Stratosphere
Advection
Precipitation
35. The cloudiness of a liquid due to small suspended particles.
Turbidity
Troposphere
National Environmental Policy Act
Organism
36. An act which set standards for the amount of pollution in water.
Water Pollution Control Act
Subsistence Farming
Temperature Inversion
Chaparral
37. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Advection
Intensive Subsistence Farming
Nitrogen Fixation
UN Conference on Population and Development
38. A layer of gasses surrounding the earth.
Trophic Level
Atmosphere
Carbon Dioxide
Brackish Water
39. An international convention which created the framework for protecting the ozone layer.
Stockholm Conference
Sublimation
Total Fertility Rate
Vienna Convention for the Protection of the Ozone Layer
40. All of the water found on earth.
Gross Primary Product
Producers
Hydrosphere
Nitrogen Fixation
41. Any living thing on earth.
Cosmetic Spraying
Chaparral
Homo Habilis
Organism
42. The study of the interaction between organisms and their environment.
Denitrification
Ecology
Stratosphere
Troposphere
43. An extinct hominid species believed to be the last common ancestor between man and apes.
Homo Habilis
Eutrophication
K-Selected Populations
Sahelanthropus Tchadensis
44. Consumers which eat both plants and animals.
Omnivores
Transpiration
Atmosphere
Toxic Substances Control Act
45. An act requiring federal agencies to detail the impact of proposed environmental policies.
National Environmental Policy Act
Hydrosphere
Biosphere
Methane
46. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Carnivores
Temperature Inversion
Grasslands
Interception
47. The position of an organism on the food chain.
Trophic Level
Intensive Subsistence Farming
Indicator Species
Eutrophication
48. An act created to protect endangered and threatened species.
Sahelanthropus Tchadensis
Superfund Law
Endangered Species Act
Turbidity
49. Organisms which consume autotrophs for food.
Oligotrophs
Hetrotrophs
Browsers
Ecology
50. Growing more than one crop at a time.
Kyoto Protocol
Prokaryotes
Polyculture
Tropical Rain Forest