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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 a gas transforming into a liquid.
Condensation
Chaparral
Brackish Water
Troposphere
2. An international protocol designed to stabilize global warming.
Subsurface flow
Neanderthals
Kyoto Protocol
Tropical Rain Forest
3. 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.
Producers
Interception
Intensive Subsistence Farming
Savannah
4. The study of the interaction between organisms and their environment.
Oligotrophs
Grazers
Ecology
Cosmetic Spraying
5. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Resource Partitioning
Consumers
Temperature Inversion
Thermosphere
6. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Ecological Niche
Superfund Law
Surface Run-Off
Exosphere
7. Evolution in one organism due to change in a related organism.
Producers
Environmental Protection Agency
Troposphere
Coevolution
8. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Wilderness Act
Autotrophs
Intensive Subsistence Farming
Commensalism
9. Different species living in close contact with each other.
Air Pollution
Vienna Convention for the Protection of the Ozone Layer
Oligotrophs
Symbiosis
10. All members of a species which live in the same area.
Population
Biosphere
Lithosphere
Taiga
11. The process of planting trees in between other crops.
Biogeochemical Cycle
Vienna Convention for the Protection of the Ozone Layer
Alley Cropping
Mesosphere
12. The rapid increase of harmful algae in a body of water.
Harmful Algal Bloom
Toxic Substances Control Act
Nitrous Oxide
Insurance Spraying
13. A group of similar organisms capable of interbreeding.
Surface Run-Off
Ecotone
Species
Eukaryotes
14. All of the ecosystems on earth.
Biosphere
Agroforestry
Tropopause
Nitrogen Fixation
15. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Subsistence Farming
Superfund Law
Exosphere
Earth Summit
16. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Mutualism
Parasitism
Autotrophs
Agroforestry
17. The combination of evaporation from the ocean - lakes - and other bodies of water and transpiration - the loss of water from plants.
Tropical Rain Forest
Consumers
Evapotranspiration
Snowmelt
18. Political organizations not affiliated with the government which try to bring about social change.
Ecological Niche
Alley Cropping
Sahelanthropus Tchadensis
Non-government Organizations
19. 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.
Neanderthals
Species
Nitrification
Ozone
20. Consumers which eat decomposing organic material.
Parasitism
Tropical Rain Forest
Ammonification
Detrivores
21. An especially potent greenhouse gas emitted during production and transportation of fossil fuels - decomposition of organic matter - and herds of livestock.
Methane
Ecotone
Agroforestry
R-Selected Populations
22. 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
Wilderness Act
Antarctica
Environmental Ethics
Savannah
23. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Producers
Keystone Species
Non-government Organizations
Deciduous Forest
24. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Intensive Subsistence Farming
Brackish Water
Savannah
Temperature Inversion
25. Organisms which create their own food out of inorganic (abiotic) substances.
Ammonification
Taiga
Atmosphere
Producers
26. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Harmful Algal Bloom
Oligotrophs
Homo Erectus
Speciation
27. An act which required the EPA to set standards for drinking water.
Surface Run-Off
Resource Partitioning
Safe Drinking Water Act
Tropopause
28. The loss of water vapor from leaves.
Transpiration
Estuary
Homo Erectus
Subsurface flow
29. A transitional area between two different ecosystems.
Ecotone
Deserts
Savannah
Mesosphere
30. 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.
Surface Run-Off
Deserts
Shifting Agriculture
Homo Habilis
31. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Stratosphere
Harmful Algal Bloom
Mutualism
Subsurface flow
32. Surface run-off caused by melted snow.
Insurance Spraying
Snowmelt
Wilderness Act
Speciation
33. A type of symbiosis where each species will benefit from interacting with the other.
Air Pollution
Homo Habilis
Mutualism
Silent Spring
34. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Insurance Spraying
Grasslands
R-Selected Populations
Lithosphere
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
Agroforestry
Trophic Level
Oligotrophs
36. The flow of water in the water table.
Consumers
Subsurface flow
Cosmetic Spraying
Shifting Agriculture
37. The first atmospheric layer. Most weather and pollution occurs here - and the temperature decreases with altitude.
Savannah
Troposphere
Turbidity
Air Pollution
38. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Ammonification
Nitrification
Biomes
Ecotone
39. A community of similar living organisms largely affected by the area's climate.
Exosphere
Taiga
Biogeochemical Cycle
Biomes
40. 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.
Acid Rain
Carbon Dioxide
Aldo Leopold
Wildlife Management
41. All of the water found on earth.
Hetrotrophs
Hydrosphere
Keystone Species
Montreal Protocol
42. The process by which pollutants are carried by flowing water - such as a river.
Mutualism
Advection
Hydrologic Cycle
Chaparral
43. 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.
Biodiversity
Atmosphere
Species
Competitive Exclusion
44. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Vienna Convention for the Protection of the Ozone Layer
Browsers
Subsistence Farming
Autotrophs
45. Populations characterized by small size - short lifespan - and lots of offspring.
Subsurface flow
Community
Indicator Species
R-Selected Populations
46. The area between the troposphere and the stratosphere. Here the temperature reverses from decreasing to increasing with altitude.
R-Selected Populations
Homo Sapiens
Symbiosis
Tropopause
47. The UN's first major conference on environmental issues.
Organism
Stockholm Conference
Deciduous Forest
Biomes
48. Modern man.
Lithosphere
Ecosystem
Deserts
Homo Sapiens
49. The spraying of pesticides to prevent a pest problem before it happens.
Cosmetic Spraying
Carnivores
Nitrification
Insurance Spraying
50. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Deciduous Forest
Ecological Niche
Nitrification
Subsurface flow