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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 act which protects certain lands as national parks.
Superfund Law
Oligotrophs
Wilderness Act
Infiltration
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
Indicator Species
Superfund Law
Antarctica
Air Pollution
3. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Biodiversity
Precipitation
Ammonification
Shifting Agriculture
4. Consumers which eat decomposing organic material.
Parasitism
Detrivores
Monoculture
Omnivores
5. A community of species interacting with their nonliving (abiotic) environment.
Ecological Niche
Ecosystem
Estuary
Resource Partitioning
6. A group of similar organisms capable of interbreeding.
Eutrophication
Precipitation
Safe Drinking Water Act
Species
7. 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.
Biodiversity
Eutrophication
Ecological Niche
Producers
8. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Tundra
Consumers
Toxic Substances Control Act
Symbiosis
9. An international organization designed to promote free trade between countries.
World Trade Organization
Evaporation
Evapotranspiration
Producers
10. The process of planting trees in between other crops.
Alley Cropping
Eutrophication
Deciduous Forest
Advection
11. 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
Australopithecus Afarensis
Thermosphere
Shifting Agriculture
12. All of the water found on earth.
Hydrosphere
Eukaryotes
Clean Air Act
Nitrification
13. Precipitation which does not reach the soil but is instead collected by plants.
Australopithecus Afarensis
Interception
Stockholm Conference
Eutrophication
14. The rate at which producers create organic material.
Cosmetic Spraying
Parasitism
Gross Primary Product
Thermosphere
15. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Silent Spring
Ecological Niche
Alley Cropping
Sahelanthropus Tchadensis
16. An act created to protect endangered and threatened species.
Endangered Species Act
Water Pollution Control Act
Acid Rain
Indicator Species
17. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Savannah
Eukaryotes
Subsistence Farming
Thermosphere
18. The cloudiness of a liquid due to small suspended particles.
Toxic Substances Control Act
Safe Drinking Water Act
Turbidity
Omnivores
19. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Parasitism
Superfund Law
Mutualism
Tropopause
20. All members of a species which live in the same area.
Population
Detrivores
Total Fertility Rate
Resource Partitioning
21. Animals which eat leaves and shoots.
R-Selected Populations
Safe Drinking Water Act
Browsers
Subsistence Farming
22. Modern man.
Homo Sapiens
UN Conference on Population and Development
Intensive Subsistence Farming
Clean Air Act
23. The study of the interaction between organisms and their environment.
Agroforestry
Ecology
Non-government Organizations
Monoculture
24. The spraying of pesticides to prevent a pest problem before it happens.
Interplanting
Social Ecology
Population
Insurance Spraying
25. Organisms which create their own food out of inorganic (abiotic) substances.
Producers
Endangered Species Act
Australopithecus Afarensis
Nitrous Oxide
26. The conversion of nitrates into nitrogen gas.
Denitrification
Advection
Kyoto Protocol
Toxic Substances Control Act
27. The rapid increase of harmful algae in a body of water.
Symbiosis
Coevolution
World Trade Organization
Harmful Algal Bloom
28. 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.
Hydrologic Cycle
Consumers
Cosmetic Spraying
Advection
29. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Population
Aldo Leopold
Coniferous Forest
Biogeochemical Cycle
30. An international protocol designed to stabilize global warming.
Kyoto Protocol
Symbiosis
Nitrogen Fixation
Deciduous Forest
31. Organisms which eat other organisms.
Precipitation
Consumers
Mutualism
Nitrification
32. The coexistence of two species using the same resource where the two will use the resource in different ways.
Superfund Law
Precipitation
Resource Partitioning
Eukaryotes
33. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Safe Drinking Water Act
Community
Ecological Niche
Temperature Inversion
34. The process by which pollutants are carried by flowing water - such as a river.
Advection
Earth Summit
Producers
Environmental Protection Agency
35. Evolution in one organism due to change in a related organism.
Coevolution
Snowmelt
Speciation
Hydrosphere
36. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Insurance Spraying
Vienna Convention for the Protection of the Ozone Layer
Aldo Leopold
Sublimation
37. A type of symbiosis where one species benefit at the expense of the other.
Parasitism
Homo Erectus
Clean Air Act
Oligotrophs
38. A greenhouse gas which also plays a key role in regulating ozone levels.
Subsistence Farming
World Trade Organization
Copiotrophs
Nitrous Oxide
39. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Grasslands
Snowmelt
Carnivores
Wilderness Act
40. 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.
Hydrosphere
Interception
Autotrophs
Deserts
41. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Lithosphere
Interception
Symbiosis
Australopithecus Afarensis
42. Growing only one crop at a time.
Polyculture
Harmful Algal Bloom
Monoculture
Tundra
43. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Subsistence Farming
Agroforestry
Producers
Intensive Subsistence Farming
44. 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.
Environmental Ethics
Toxic Substances Control Act
Precipitation
Wilderness Act
45. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Nitrous Oxide
Consumers
Insurance Spraying
Evaporation
46. A theory that our current ecological problems are a product of deeper social problems.
Omnivores
Monoculture
Social Ecology
Biodiversity
47. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Earth Summit
Denitrification
Nitrogen Fixation
Consumers
48. The middle atmospheric layer. Meteors burn up after entering this layer.
Stratosphere
Mesosphere
Wildlife Management
Assimilation
49. A rainforest in the temperate zone which receives heavy rainfall.
Toxic Substances Control Act
Australopithecus Afarensis
Wilderness Act
Temperate Rain Forest
50. The loss of water vapor from leaves.
Transpiration
Infiltration
Interception
Resource Partitioning