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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. All of the water found on earth.
UN Conference on Population and Development
Insurance Spraying
Hydrosphere
Sahelanthropus Tchadensis
2. 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.
Agroforestry
Monoculture
Chaparral
Biodiversity
3. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Silent Spring
Superfund Law
Kyoto Protocol
Acid Rain
4. 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.
Homo Erectus
Earth Summit
Homo Habilis
Carbon Dioxide
5. 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.
Competitive Exclusion
Estuary
Water Pollution Control Act
Advection
6. An act which protects certain lands as national parks.
Wilderness Act
Acid Rain
Commensalism
Earth Summit
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
Surface Run-Off
Organism
Mutualism
8. Growing more than one crop at a time.
Sahelanthropus Tchadensis
Alley Cropping
Infiltration
Polyculture
9. The spraying of pesticides to prevent a pest problem before it happens.
Interception
Subsistence Farming
Insurance Spraying
Environmental Ethics
10. Animals which eat leaves and shoots.
Turbidity
Producers
Total Fertility Rate
Browsers
11. All members of a species which live in the same area.
Ecological Niche
Safe Drinking Water Act
Population
Organism
12. Plants taking in nitrates from the soil.
Mesosphere
Non-government Organizations
Deciduous Forest
Assimilation
13. A layer of gasses surrounding the earth.
Interplanting
Atmosphere
Evaporation
Troposphere
14. The process of a gas transforming into a liquid.
Autotrophs
Kyoto Protocol
Indicator Species
Condensation
15. An act requiring federal agencies to detail the impact of proposed environmental policies.
National Environmental Policy Act
Hetrotrophs
Eutrophication
Atmosphere
16. 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
Exosphere
Alley Cropping
Oligotrophs
17. Political organizations not affiliated with the government which try to bring about social change.
Non-government Organizations
Total Fertility Rate
Lithosphere
Atmosphere
18. 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.
Environmental Protection Agency
Aldo Leopold
Eutrophication
Biogeochemical Cycle
19. A greenhouse gas which also plays a key role in regulating ozone levels.
Ecology
Population
Nitrous Oxide
Speciation
20. A UN conference that addressed the growing population problem.
Mutualism
Assimilation
UN Conference on Population and Development
Water Pollution Control Act
21. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Sahelanthropus Tchadensis
Montreal Protocol
Precipitation
Economic Threshold
22. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Wildlife Management
Biogeochemical Cycle
Resource Partitioning
Homo Habilis
23. An influential book by Rachel Carson which helped begin the environmental movement.
Thermosphere
Silent Spring
Polyculture
Savannah
24. The combination of evaporation from the ocean - lakes - and other bodies of water and transpiration - the loss of water from plants.
Homo Erectus
Earth Summit
Biodiversity
Evapotranspiration
25. 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.
Temperature Inversion
Montreal Protocol
Sublimation
Taiga
26. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Evaporation
Homo Sapiens
Harmful Algal Bloom
Insurance Spraying
27. A theory that our current ecological problems are a product of deeper social problems.
Social Ecology
Chaparral
Agroforestry
Consumers
28. The rapid increase of harmful algae in a body of water.
Environmental Ethics
Harmful Algal Bloom
Monoculture
Water Pollution Control Act
29. All of the ecosystems on earth.
Condensation
Biosphere
Thermosphere
Ecological Niche
30. 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.
Hydrologic Cycle
Browsers
Coniferous Forest
Insurance Spraying
31. The cloudiness of a liquid due to small suspended particles.
Interplanting
Sublimation
Turbidity
Browsers
32. The rate at which producers create organic material.
Subsurface flow
Aldo Leopold
Wilderness Act
Gross Primary Product
33. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Harmful Algal Bloom
Economic Threshold
Keystone Species
Agroforestry
34. A transitional area between two different ecosystems.
Ecotone
Hetrotrophs
Social Ecology
Harmful Algal Bloom
35. The amount of pests needed before spraying pesticides is economical.
Carbon Dioxide
Autotrophs
Omnivores
Economic Threshold
36. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Brackish Water
Browsers
National Environmental Policy Act
Subsistence Farming
37. The uppermost atmospheric layer. Here satellites orbit the earth.
Grasslands
Evapotranspiration
Exosphere
Deserts
38. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Estuary
Carnivores
Ecological Niche
National Environmental Policy Act
39. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Shifting Agriculture
Consumers
Oligotrophs
Condensation
40. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Autotrophs
Neanderthals
Consumers
Species
41. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Tundra
Methane
Brackish Water
Nitrification
42. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
World Trade Organization
Deciduous Forest
Indicator Species
Carnivores
43. Any living thing on earth.
Resource Partitioning
Sublimation
Methane
Organism
44. The flow of water in the water table.
Subsurface flow
Water Pollution Control Act
Social Ecology
Nitrous Oxide
45. An act which required the EPA to set standards for drinking water.
Interplanting
Safe Drinking Water Act
Endangered Species Act
Air Pollution
46. Single-celled organisms which lack a nucleus.
Prokaryotes
Total Fertility Rate
Chaparral
Biogeochemical Cycle
47. A community of similar living organisms largely affected by the area's climate.
Nitrous Oxide
Biomes
Consumers
Stockholm Conference
48. Precipitation which does not reach the soil but is instead collected by plants.
Evapotranspiration
Environmental Protection Agency
Interception
Detrivores
49. 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.
Wildlife Management
Exosphere
Montreal Protocol
Hydrologic Cycle
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.
Ozone
Australopithecus Afarensis
Prokaryotes
Estuary
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