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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. 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
Ecotone
Trophic Level
Insurance Spraying
2. 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
Montreal Protocol
Parasitism
Interception
3. Organisms with a nucleus.
Evaporation
Eukaryotes
Carbon Dioxide
Hydrologic Cycle
4. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Antarctica
Surface Run-Off
Symbiosis
Troposphere
5. Consumers which eat decomposing organic material.
Precipitation
Australopithecus Afarensis
Detrivores
Harmful Algal Bloom
6. 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.
Advection
Antarctica
Competitive Exclusion
Lithosphere
7. Different species living in close contact with each other.
Superfund Law
Symbiosis
Tropical Rain Forest
Transpiration
8. Consumers which eat both plants and animals.
Tropopause
Silent Spring
Intensive Subsistence Farming
Omnivores
9. An act which protects certain lands as national parks.
Montreal Protocol
Wilderness Act
R-Selected Populations
Consumers
10. The process of a gas transforming into a liquid.
Cosmetic Spraying
Condensation
Stratosphere
Temperate Rain Forest
11. An influential book by Rachel Carson which helped begin the environmental movement.
Ecosystem
Silent Spring
Competitive Exclusion
Biogeochemical Cycle
12. An extinct hominid species with near the same brain capacity as modern man believed to use fire and stone tools - live a hunter/gatherer lifestyle - and speak a language.
Surface Run-Off
Homo Erectus
Economic Threshold
Wilderness Act
13. All members of a species which live in the same area.
Temperate Rain Forest
Grazers
Monoculture
Population
14. 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.
Speciation
Air Pollution
Browsers
Indicator Species
15. Animals which eat grass and roots.
Economic Threshold
Competitive Exclusion
Organism
Grazers
16. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Troposphere
Stratosphere
Turbidity
Sahelanthropus Tchadensis
17. A variety of species living together.
Community
Alley Cropping
Superfund Law
Estuary
18. 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
Montreal Protocol
Polyculture
Environmental Protection Agency
19. All of the water found on earth.
Atmosphere
Population
Hydrosphere
Chaparral
20. The combination of evaporation from the ocean - lakes - and other bodies of water and transpiration - the loss of water from plants.
National Environmental Policy Act
Evapotranspiration
Biomes
Shifting Agriculture
21. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Competitive Exclusion
Estuary
Aldo Leopold
Mesosphere
22. The rapid increase of harmful algae in a body of water.
Wilderness Act
Harmful Algal Bloom
Indicator Species
Aldo Leopold
23. 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.
Clean Air Act
Species
Taiga
Air Pollution
24. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Surface Run-Off
Ecological Niche
Biomes
Community
25. A forest found in temperate regions with warm summers - cool winters - and plenty of rainfall. These kinds of forests are characterized by evergreens and deciduous trees.
Homo Habilis
Coniferous Forest
Hydrosphere
Speciation
26. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Surface Run-Off
Polyculture
Sublimation
Homo Habilis
27. Political organizations not affiliated with the government which try to bring about social change.
Biodiversity
Ecotone
Biomes
Non-government Organizations
28. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Environmental Protection Agency
Wildlife Management
Oligotrophs
Keystone Species
29. Consumers which eat only other animals.
Non-government Organizations
Carnivores
Social Ecology
Mesosphere
30. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Tropical Rain Forest
Indicator Species
Assimilation
Tundra
31. An international protocol designed to stabilize global warming.
Kyoto Protocol
Brackish Water
Autotrophs
Indicator Species
32. The study of the interaction between organisms and their environment.
Ecology
Acid Rain
Homo Habilis
Mesosphere
33. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Environmental Protection Agency
Non-government Organizations
Monoculture
Economic Threshold
34. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Subsistence Farming
Snowmelt
Keystone Species
Mesosphere
35. The rate at which producers create organic material.
Temperature Inversion
Estuary
Gross Primary Product
Insurance Spraying
36. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Ecosystem
Producers
Antarctica
Deciduous Forest
37. Surface run-off caused by melted snow.
Snowmelt
Nitrification
Ammonification
Brackish Water
38. A layer of gasses surrounding the earth.
Montreal Protocol
Atmosphere
National Environmental Policy Act
Prokaryotes
39. A transitional area between two different ecosystems.
Gross Primary Product
Wildlife Management
Insurance Spraying
Ecotone
40. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Consumers
Resource Partitioning
Condensation
Agroforestry
41. The process of surface water entering the soil. This ensures that plants have adequate access to water.
Infiltration
Hydrologic Cycle
Oligotrophs
Resource Partitioning
42. Growing more than one crop at a time.
Polyculture
Methane
Agroforestry
Community
43. An act created to protect endangered and threatened species.
Thermosphere
Snowmelt
Organism
Endangered Species Act
44. A community of species interacting with their nonliving (abiotic) environment.
Ecosystem
Montreal Protocol
Biomes
K-Selected Populations
45. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Sahelanthropus Tchadensis
Toxic Substances Control Act
K-Selected Populations
Producers
46. The loss of water vapor from leaves.
Consumers
Omnivores
Ozone
Transpiration
47. A theory that our current ecological problems are a product of deeper social problems.
Social Ecology
Brackish Water
Carbon Dioxide
Economic Threshold
48. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Neanderthals
Oligotrophs
Advection
Air Pollution
49. The process of planting different plant species right next to each other to maximize one's yield.
R-Selected Populations
Transpiration
Sahelanthropus Tchadensis
Interplanting
50. 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.
Lithosphere
Community
Ozone
Homo Sapiens