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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 UN's first major conference on environmental issues.
Atmosphere
Nitrogen Fixation
Insurance Spraying
Stockholm Conference
2. A type of symbiosis where one species benefit at the expense of the other.
Exosphere
Clean Air Act
Antarctica
Parasitism
3. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Omnivores
Harmful Algal Bloom
Superfund Law
Polyculture
4. 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.
Indicator Species
Coniferous Forest
Temperate Rain Forest
Ozone
5. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Indicator Species
Interception
Ammonification
Neanderthals
6. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Homo Habilis
Autotrophs
Wilderness Act
Australopithecus Afarensis
7. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Non-government Organizations
Neanderthals
Advection
Earth Summit
8. 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.
Superfund Law
Competitive Exclusion
Shifting Agriculture
Tropopause
9. 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
Ecology
Insurance Spraying
Sahelanthropus Tchadensis
10. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Deciduous Forest
Nitrous Oxide
Neanderthals
Oligotrophs
11. Plants taking in nitrates from the soil.
Insurance Spraying
Assimilation
Biosphere
Mutualism
12. The rate at which producers create organic material.
Coniferous Forest
Stratosphere
Gross Primary Product
Polyculture
13. The crust and upper mantle of the earth.
Tundra
National Environmental Policy Act
Acid Rain
Lithosphere
14. An international organization designed to promote free trade between countries.
Montreal Protocol
World Trade Organization
Lithosphere
Ammonification
15. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Coniferous Forest
Ecological Niche
Biogeochemical Cycle
Mesosphere
16. Evolution in one organism due to change in a related organism.
Coevolution
Nitrogen Fixation
Water Pollution Control Act
Interplanting
17. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Temperature Inversion
Resource Partitioning
Oligotrophs
Kyoto Protocol
18. All of the ecosystems on earth.
Biosphere
Silent Spring
Assimilation
Economic Threshold
19. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Sublimation
Agroforestry
Trophic Level
Biodiversity
20. 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
Surface Run-Off
Advection
Indicator Species
21. Organisms which eat other organisms.
Producers
Consumers
Coniferous Forest
Detrivores
22. An act which set standards for the amount of pollution in water.
Water Pollution Control Act
Consumers
Parasitism
Social Ecology
23. A transitional area between two different ecosystems.
Hetrotrophs
Producers
Ecotone
Homo Habilis
24. The position of an organism on the food chain.
R-Selected Populations
Polyculture
Trophic Level
Homo Sapiens
25. The process by which pollutants are carried by flowing water - such as a river.
Advection
Trophic Level
Monoculture
Coevolution
26. A partially enclosed part of the ocean with rivers or streams flowing into it.
Interception
Turbidity
Troposphere
Estuary
27. Organisms which consume autotrophs for food.
Hetrotrophs
Population
Insurance Spraying
Atmosphere
28. An international convention which created the framework for protecting the ozone layer.
Vienna Convention for the Protection of the Ozone Layer
Insurance Spraying
Speciation
Prokaryotes
29. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Acid Rain
Keystone Species
Deciduous Forest
Turbidity
30. The process of a gas transforming into a liquid.
Homo Sapiens
Brackish Water
Condensation
Antarctica
31. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Ecosystem
Copiotrophs
Chaparral
Kyoto Protocol
32. A group of similar organisms capable of interbreeding.
Species
Homo Habilis
Ecosystem
Hydrosphere
33. Animals which eat leaves and shoots.
World Trade Organization
Detrivores
Ecology
Browsers
34. 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
Species
Vienna Convention for the Protection of the Ozone Layer
Deserts
35. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Hydrologic Cycle
Coevolution
Cosmetic Spraying
Brackish Water
36. The process of planting trees in between other crops.
Alley Cropping
Ecotone
Trophic Level
Brackish Water
37. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Total Fertility Rate
Ammonification
Social Ecology
Deciduous Forest
38. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Carnivores
Ecosystem
Oligotrophs
Acid Rain
39. A community of species interacting with their nonliving (abiotic) environment.
Ecosystem
Earth Summit
Transpiration
UN Conference on Population and Development
40. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Competitive Exclusion
Tropopause
Stratosphere
K-Selected Populations
41. The flow of water in the water table.
Harmful Algal Bloom
Stockholm Conference
Subsurface flow
Trophic Level
42. 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.
Community
Nitrogen Fixation
Environmental Ethics
Consumers
43. The conversion of nitrates into nitrogen gas.
Detrivores
Denitrification
Consumers
Interception
44. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Biosphere
Deciduous Forest
Consumers
Estuary
45. Organisms with a nucleus.
Grasslands
Taiga
Eukaryotes
Alley Cropping
46. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Agroforestry
Ecological Niche
Biodiversity
Aldo Leopold
47. The process of planting different plant species right next to each other to maximize one's yield.
Interplanting
Mesosphere
Troposphere
Cosmetic Spraying
48. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Wilderness Act
Air Pollution
Subsistence Farming
Carbon Dioxide
49. 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
Shifting Agriculture
Ozone
Mutualism
50. Organisms which produce their own food.
Ecological Niche
Autotrophs
Nitrification
Prokaryotes