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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 influential book by Rachel Carson which helped begin the environmental movement.
Aldo Leopold
Environmental Protection Agency
Montreal Protocol
Silent Spring
2. Populations characterized by small size - short lifespan - and lots of offspring.
R-Selected Populations
Acid Rain
Antarctica
K-Selected Populations
3. An extinct hominid species believed to be the last common ancestor between man and apes.
Grazers
Ecosystem
Insurance Spraying
Sahelanthropus Tchadensis
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
Nitrous Oxide
Toxic Substances Control Act
Species
5. Animals which eat leaves and shoots.
Homo Habilis
Browsers
Lithosphere
Temperature Inversion
6. An act which protects certain lands as national parks.
Toxic Substances Control Act
Wilderness Act
Temperature Inversion
Intensive Subsistence Farming
7. The spraying of pesticides to keep produce from any injuries or damage.
Alley Cropping
Cosmetic Spraying
Precipitation
Tropical Rain Forest
8. A community of similar living organisms largely affected by the area's climate.
Environmental Ethics
Total Fertility Rate
Nitrogen Fixation
Biomes
9. Plants taking in nitrates from the soil.
Assimilation
Parasitism
Environmental Protection Agency
Subsurface flow
10. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Chaparral
Kyoto Protocol
Nitrogen Fixation
Hydrologic Cycle
11. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Species
Indicator Species
Homo Sapiens
Environmental Protection Agency
12. Consumers which eat only other animals.
Subsurface flow
Tundra
Carnivores
Sahelanthropus Tchadensis
13. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Assimilation
Population
Non-government Organizations
Deciduous Forest
14. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Total Fertility Rate
Stratosphere
Ecological Niche
Detrivores
15. Organisms which consume autotrophs for food.
Thermosphere
Temperature Inversion
Hetrotrophs
Deciduous Forest
16. 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.
Agroforestry
Commensalism
Eutrophication
Omnivores
17. A type of symbiosis where each species will benefit from interacting with the other.
Subsistence Farming
Thermosphere
Mutualism
Safe Drinking Water Act
18. The crust and upper mantle of the earth.
Eutrophication
Lithosphere
Estuary
Australopithecus Afarensis
19. 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.
Biosphere
Stockholm Conference
Acid Rain
Ecosystem
20. The process of planting different plant species right next to each other to maximize one's yield.
Interplanting
Carbon Dioxide
Grasslands
Denitrification
21. 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.
Hydrologic Cycle
Deserts
Evaporation
Ozone
22. Growing only one crop at a time.
Economic Threshold
Stratosphere
K-Selected Populations
Monoculture
23. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Subsistence Farming
Turbidity
Biogeochemical Cycle
Ecology
24. The process by which pollutants are carried by flowing water - such as a river.
Evaporation
Sublimation
Ecological Niche
Advection
25. A community of species interacting with their nonliving (abiotic) environment.
Ecosystem
Subsurface flow
Non-government Organizations
Montreal Protocol
26. A theory that our current ecological problems are a product of deeper social problems.
Social Ecology
Earth Summit
Prokaryotes
Nitrification
27. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Aldo Leopold
Economic Threshold
Ecology
Mutualism
28. The process of surface water entering the soil. This ensures that plants have adequate access to water.
Biosphere
Infiltration
Air Pollution
Alley Cropping
29. Organisms which eat other organisms.
Total Fertility Rate
Consumers
Subsistence Farming
Carbon Dioxide
30. The loss of water vapor from leaves.
Trophic Level
Transpiration
Brackish Water
Evaporation
31. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Shifting Agriculture
Speciation
Evaporation
Species
32. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Cosmetic Spraying
Harmful Algal Bloom
Parasitism
Ecological Niche
33. A shubland found primarily in the South-Western United States and Mexico. Fire plays a predominant role in the life-cycle of the plants in this area - the seeds of which will sprout only after a fire.
Speciation
Browsers
Chaparral
Social Ecology
34. Any living thing on earth.
Organism
Vienna Convention for the Protection of the Ozone Layer
Deciduous Forest
Alley Cropping
35. The flow of water in the water table.
Subsurface flow
Aldo Leopold
Subsistence Farming
Organism
36. A partially enclosed part of the ocean with rivers or streams flowing into it.
Estuary
Biomes
Grasslands
Antarctica
37. The rapid increase of harmful algae in a body of water.
Harmful Algal Bloom
Copiotrophs
Environmental Protection Agency
Tropopause
38. The process of planting trees in between other crops.
Symbiosis
Alley Cropping
Resource Partitioning
Savannah
39. Modern man.
Homo Sapiens
Agroforestry
Evaporation
Subsistence Farming
40. 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.
Species
Biodiversity
Lithosphere
Competitive Exclusion
41. Different species living in close contact with each other.
Aldo Leopold
Symbiosis
Biogeochemical Cycle
Mutualism
42. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Gross Primary Product
Agroforestry
Sahelanthropus Tchadensis
Deciduous Forest
43. An especially potent greenhouse gas emitted during production and transportation of fossil fuels - decomposition of organic matter - and herds of livestock.
Agroforestry
Snowmelt
Methane
Ecosystem
44. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Toxic Substances Control Act
Polyculture
Alley Cropping
Ammonification
45. A rainforest in the temperate zone which receives heavy rainfall.
Organism
Temperate Rain Forest
Prokaryotes
Safe Drinking Water Act
46. An international protocol designed to stabilize global warming.
Environmental Protection Agency
Speciation
Thermosphere
Kyoto Protocol
47. Surface run-off caused by melted snow.
Ecosystem
Montreal Protocol
Silent Spring
Snowmelt
48. An act which established and enforced acceptable levels of air pollution.
Ecology
Prokaryotes
Clean Air Act
Troposphere
49. A transitional area between two different ecosystems.
Oligotrophs
Ecotone
Monoculture
Subsistence Farming
50. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Australopithecus Afarensis
Nitrous Oxide
Taiga
Grasslands