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Test your basic knowledge |
DSST Environment And Humanity
Start Test
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Subjects
:
dsst
,
science
Instructions:
Answer 50 questions in 15 minutes.
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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. 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.
Keystone Species
Deserts
Condensation
Polyculture
2. The flow of water in the water table.
Subsurface flow
Vienna Convention for the Protection of the Ozone Layer
Interception
Nitrogen Fixation
3. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Condensation
Acid Rain
Interplanting
Keystone Species
4. Organisms which eat other organisms.
Transpiration
Economic Threshold
Consumers
National Environmental Policy Act
5. Animals which eat grass and roots.
Taiga
Grazers
Coniferous Forest
Biomes
6. 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.
Coniferous Forest
Non-government Organizations
Biogeochemical Cycle
Resource Partitioning
7. 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.
Carbon Dioxide
Stockholm Conference
Air Pollution
Harmful Algal Bloom
8. A community of species interacting with their nonliving (abiotic) environment.
World Trade Organization
Stratosphere
Ecosystem
Neanderthals
9. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Assimilation
Earth Summit
Symbiosis
Grasslands
10. A theory that our current ecological problems are a product of deeper social problems.
Interplanting
Social Ecology
Ozone
Silent Spring
11. An influential book by Rachel Carson which helped begin the environmental movement.
Assimilation
Biosphere
Silent Spring
Mutualism
12. 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
Stratosphere
World Trade Organization
Air Pollution
13. An international organization designed to promote free trade between countries.
World Trade Organization
Taiga
Keystone Species
Interception
14. The uppermost atmospheric layer. Here satellites orbit the earth.
Coniferous Forest
Eutrophication
Sahelanthropus Tchadensis
Exosphere
15. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Deserts
Species
Ecotone
Sublimation
16. The biggest atmospheric layer. Without ozone - UV radiation causes ionization and the auroras in this layer.
Montreal Protocol
Detrivores
Thermosphere
Eutrophication
17. All of the water found on earth.
Evaporation
Gross Primary Product
Hydrosphere
Autotrophs
18. 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
Air Pollution
Social Ecology
Biosphere
Lithosphere
19. The loss of water vapor from leaves.
Turbidity
Stockholm Conference
Transpiration
Shifting Agriculture
20. A community of similar living organisms largely affected by the area's climate.
Superfund Law
Keystone Species
Biomes
Precipitation
21. Any living thing on earth.
World Trade Organization
Precipitation
Organism
Prokaryotes
22. Populations characterized by large size - long lifespan - and few offspring.
Temperature Inversion
Taiga
Total Fertility Rate
K-Selected Populations
23. An extinct hominid species believed to be the last common ancestor between man and apes.
Methane
Sahelanthropus Tchadensis
Speciation
Autotrophs
24. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Ozone
Grasslands
Temperature Inversion
Assimilation
25. The spraying of pesticides to keep produce from any injuries or damage.
Cosmetic Spraying
Sahelanthropus Tchadensis
Population
Ozone
26. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Commensalism
Coevolution
Turbidity
Homo Sapiens
27. Consumers which eat both plants and animals.
Ecotone
Snowmelt
Deciduous Forest
Omnivores
28. An act which required the EPA to set standards for drinking water.
Environmental Protection Agency
Safe Drinking Water Act
Lithosphere
Antarctica
29. Populations characterized by small size - short lifespan - and lots of offspring.
Assimilation
Biogeochemical Cycle
R-Selected Populations
Commensalism
30. The rapid increase of harmful algae in a body of water.
Parasitism
Harmful Algal Bloom
Biomes
Mesosphere
31. Average expected birth rate for 1 -000 women.
Sahelanthropus Tchadensis
R-Selected Populations
Competitive Exclusion
Total Fertility Rate
32. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Economic Threshold
Harmful Algal Bloom
Subsistence Farming
Biosphere
33. A group of similar organisms capable of interbreeding.
Stockholm Conference
Species
Keystone Species
Lithosphere
34. An act created to protect endangered and threatened species.
Snowmelt
Oligotrophs
Temperate Rain Forest
Endangered Species Act
35. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Australopithecus Afarensis
Monoculture
Biogeochemical Cycle
Eukaryotes
36. The UN's first major conference on environmental issues.
Ecotone
Troposphere
Stockholm Conference
Biosphere
37. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Indicator Species
Interplanting
Water Pollution Control Act
Temperature Inversion
38. All of the ecosystems on earth.
R-Selected Populations
Montreal Protocol
Symbiosis
Biosphere
39. The crust and upper mantle of the earth.
Australopithecus Afarensis
Hetrotrophs
Transpiration
Lithosphere
40. Political organizations not affiliated with the government which try to bring about social change.
Prokaryotes
Eukaryotes
Homo Sapiens
Non-government Organizations
41. Organisms which create their own food out of inorganic (abiotic) substances.
Nitrous Oxide
Subsistence Farming
Producers
Harmful Algal Bloom
42. The spraying of pesticides to prevent a pest problem before it happens.
Assimilation
Toxic Substances Control Act
Insurance Spraying
Harmful Algal Bloom
43. An international convention which created the framework for protecting the ozone layer.
Toxic Substances Control Act
Vienna Convention for the Protection of the Ozone Layer
Sublimation
Evaporation
44. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Deciduous Forest
Air Pollution
Methane
Species
45. Animals which eat leaves and shoots.
Coevolution
Non-government Organizations
Biogeochemical Cycle
Browsers
46. Surface run-off caused by melted snow.
Speciation
Tundra
Snowmelt
Gross Primary Product
47. Plants taking in nitrates from the soil.
Deciduous Forest
Intensive Subsistence Farming
Assimilation
World Trade Organization
48. An act which set standards for the amount of pollution in water.
Eutrophication
Taiga
Water Pollution Control Act
Tropopause
49. The process by which pollutants are carried by flowing water - such as a river.
Nitrification
Advection
Brackish Water
Parasitism
50. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Exosphere
Intensive Subsistence Farming
Estuary
Indicator Species
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