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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 second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Coniferous Forest
Eukaryotes
Community
Stratosphere
2. 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.
Turbidity
Wildlife Management
Autotrophs
Kyoto Protocol
3. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Precipitation
Brackish Water
Keystone Species
Ecological Niche
4. Political organizations not affiliated with the government which try to bring about social change.
Ecological Niche
R-Selected Populations
Non-government Organizations
Parasitism
5. Growing more than one crop at a time.
Temperature Inversion
Polyculture
Snowmelt
Aldo Leopold
6. Growing only one crop at a time.
Tropopause
World Trade Organization
Monoculture
Sublimation
7. Organisms which consume autotrophs for food.
Infiltration
Cosmetic Spraying
Tundra
Hetrotrophs
8. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Hydrologic Cycle
Atmosphere
Indicator Species
Speciation
9. The rate at which producers create organic material.
Cosmetic Spraying
Population
Gross Primary Product
Air Pollution
10. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Organism
Homo Habilis
Australopithecus Afarensis
Superfund Law
11. A type of symbiosis where one species benefit at the expense of the other.
Consumers
Intensive Subsistence Farming
Parasitism
Eukaryotes
12. The position of an organism on the food chain.
Biogeochemical Cycle
Trophic Level
UN Conference on Population and Development
Tropopause
13. 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.
R-Selected Populations
Intensive Subsistence Farming
Toxic Substances Control Act
Savannah
14. The flow of water in the water table.
Biodiversity
Stratosphere
Wilderness Act
Subsurface flow
15. The first atmospheric layer. Most weather and pollution occurs here - and the temperature decreases with altitude.
Deciduous Forest
Australopithecus Afarensis
Estuary
Troposphere
16. Populations characterized by large size - long lifespan - and few offspring.
Assimilation
Environmental Protection Agency
Coevolution
K-Selected Populations
17. 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.
Mutualism
Hydrologic Cycle
Biosphere
Insurance Spraying
18. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Carbon Dioxide
Parasitism
Deciduous Forest
Mesosphere
19. An act which protects certain lands as national parks.
Biomes
Wilderness Act
Oligotrophs
Carnivores
20. An international convention which created the framework for protecting the ozone layer.
Surface Run-Off
K-Selected Populations
Gross Primary Product
Vienna Convention for the Protection of the Ozone Layer
21. 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.
Infiltration
Coniferous Forest
Consumers
Eutrophication
22. A philosophy that extends ethics to non-humans. Under this system - animals - plants - and other aspects of the environment are seen as being deserving of justice and consideration.
Species
Trophic Level
Environmental Ethics
Social Ecology
23. The loss of water vapor from leaves.
Transpiration
Tropical Rain Forest
Wildlife Management
Economic Threshold
24. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Montreal Protocol
Surface Run-Off
Advection
Temperature Inversion
25. The amount of pests needed before spraying pesticides is economical.
Economic Threshold
Keystone Species
Shifting Agriculture
Temperate Rain Forest
26. A community of similar living organisms largely affected by the area's climate.
Interplanting
Biomes
Stockholm Conference
Montreal Protocol
27. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Ecological Niche
Eukaryotes
Toxic Substances Control Act
Ozone
28. A transitional area between two different ecosystems.
Resource Partitioning
Ecotone
Kyoto Protocol
Water Pollution Control Act
29. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Assimilation
Superfund Law
Acid Rain
Eutrophication
30. 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.
Nitrous Oxide
Chaparral
Ozone
Economic Threshold
31. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Assimilation
Sublimation
Ecological Niche
Indicator Species
32. 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
Ecological Niche
Montreal Protocol
Air Pollution
Atmosphere
33. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Keystone Species
Neanderthals
Temperature Inversion
Commensalism
34. The study of the interaction between organisms and their environment.
Precipitation
Exosphere
Symbiosis
Ecology
35. An international organization designed to promote free trade between countries.
World Trade Organization
Condensation
National Environmental Policy Act
Exosphere
36. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Subsistence Farming
Ecotone
Deserts
Community
37. Evolution in one organism due to change in a related organism.
Social Ecology
Transpiration
Taiga
Coevolution
38. Any living thing on earth.
Savannah
Organism
Tropical Rain Forest
Acid Rain
39. The process of planting different plant species right next to each other to maximize one's yield.
Silent Spring
Methane
Ecological Niche
Interplanting
40. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Antarctica
Ecological Niche
Grazers
Economic Threshold
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.
Prokaryotes
Estuary
Deserts
Tropopause
42. An act which required the EPA to set standards for drinking water.
Coevolution
Safe Drinking Water Act
UN Conference on Population and Development
Coniferous Forest
43. A UN conference that addressed the growing population problem.
Nitrogen Fixation
Carnivores
Acid Rain
UN Conference on Population and Development
44. The amount of variation among organisms living in a particular ecosystem. The loss of this key characteristic leads to a reduction in ecosystem efficiency and the ability of species to adapt to new situations.
Biodiversity
Interception
Stockholm Conference
Nitrogen Fixation
45. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Copiotrophs
Ecology
Social Ecology
Surface Run-Off
46. An international protocol designed to stabilize global warming.
R-Selected Populations
Homo Sapiens
Hydrologic Cycle
Kyoto Protocol
47. The process of planting trees in between other crops.
Alley Cropping
Detrivores
Australopithecus Afarensis
Copiotrophs
48. 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.
K-Selected Populations
Water Pollution Control Act
Taiga
Biosphere
49. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Exosphere
Interplanting
Commensalism
Speciation
50. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Environmental Protection Agency
Montreal Protocol
Australopithecus Afarensis
Tundra