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Test your basic knowledge |
DSST Environment And Humanity
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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. All of the water found on earth.
Homo Erectus
Atmosphere
Hydrosphere
Condensation
2. Animals which eat grass and roots.
Wildlife Management
Assimilation
Kyoto Protocol
Grazers
3. 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.
Total Fertility Rate
Agroforestry
Biomes
Competitive Exclusion
4. A layer of gasses surrounding the earth.
Atmosphere
Tundra
Environmental Protection Agency
Prokaryotes
5. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Turbidity
Nitrification
Evapotranspiration
Grasslands
6. The process of planting trees in between other crops.
Antarctica
Montreal Protocol
Indicator Species
Alley Cropping
7. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Interception
Keystone Species
Stockholm Conference
Agroforestry
8. Average expected birth rate for 1 -000 women.
Environmental Ethics
Hetrotrophs
Total Fertility Rate
Neanderthals
9. The coexistence of two species using the same resource where the two will use the resource in different ways.
Resource Partitioning
Population
Temperate Rain Forest
Deciduous Forest
10. 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.
Homo Sapiens
Shifting Agriculture
Insurance Spraying
Community
11. All members of a species which live in the same area.
Producers
Resource Partitioning
Mesosphere
Population
12. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Methane
Nitrification
Ozone
Earth Summit
13. Political organizations not affiliated with the government which try to bring about social change.
Earth Summit
Non-government Organizations
Sublimation
Autotrophs
14. A community of similar living organisms largely affected by the area's climate.
Biomes
Interplanting
Browsers
Gross Primary Product
15. Organisms which produce their own food.
Autotrophs
Ecological Niche
Air Pollution
Temperature Inversion
16. Plants taking in nitrates from the soil.
Coevolution
Assimilation
Atmosphere
Thermosphere
17. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Neanderthals
Oligotrophs
Deserts
Detrivores
18. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Surface Run-Off
Polyculture
Kyoto Protocol
Nitrous Oxide
19. The study of the interaction between organisms and their environment.
Acid Rain
UN Conference on Population and Development
Ecology
Montreal Protocol
20. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Evaporation
Detrivores
Speciation
Trophic Level
21. All of the ecosystems on earth.
Sahelanthropus Tchadensis
Mesosphere
Cosmetic Spraying
Biosphere
22. The rate at which producers create organic material.
Shifting Agriculture
Gross Primary Product
Species
Tropical Rain Forest
23. The first atmospheric layer. Most weather and pollution occurs here - and the temperature decreases with altitude.
Deserts
Methane
Troposphere
Consumers
24. Different species living in close contact with each other.
Symbiosis
Surface Run-Off
Lithosphere
Toxic Substances Control Act
25. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Homo Habilis
Environmental Protection Agency
Grasslands
Trophic Level
26. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Nitrification
Harmful Algal Bloom
Sublimation
Agroforestry
27. The rapid increase of harmful algae in a body of water.
Organism
Harmful Algal Bloom
Parasitism
Wilderness Act
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.
Nitrification
R-Selected Populations
Hydrologic Cycle
Insurance Spraying
29. A transitional area between two different ecosystems.
Speciation
Methane
Vienna Convention for the Protection of the Ozone Layer
Ecotone
30. Grasslands with short - widely spaced trees and no canopy - allowing for an unbroken layer of grasses beneath.
Tropopause
Denitrification
Savannah
Polyculture
31. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Copiotrophs
Wildlife Management
Coevolution
Tundra
32. The loss of water vapor from leaves.
Homo Sapiens
Infiltration
Transpiration
Economic Threshold
33. Growing only one crop at a time.
Sublimation
Stratosphere
Monoculture
Speciation
34. An influential book by Rachel Carson which helped begin the environmental movement.
Carnivores
Coevolution
Silent Spring
Trophic Level
35. Growing more than one crop at a time.
Hetrotrophs
Interplanting
Polyculture
Detrivores
36. The amount of pests needed before spraying pesticides is economical.
Ecology
Precipitation
Economic Threshold
Copiotrophs
37. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Safe Drinking Water Act
Toxic Substances Control Act
Omnivores
Cosmetic Spraying
38. Surface run-off caused by melted snow.
Mesosphere
Evaporation
Snowmelt
Community
39. An act which protects certain lands as national parks.
Hydrologic Cycle
Temperate Rain Forest
Savannah
Wilderness Act
40. A rainforest in the temperate zone which receives heavy rainfall.
Homo Sapiens
Temperate Rain Forest
Carbon Dioxide
Evapotranspiration
41. 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.
Interception
Evaporation
Homo Erectus
Silent Spring
42. The conversion of nitrates into nitrogen gas.
World Trade Organization
Biomes
Denitrification
Prokaryotes
43. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Detrivores
Ammonification
Producers
Snowmelt
44. 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
World Trade Organization
Antarctica
Troposphere
Hydrologic Cycle
45. A community of species interacting with their nonliving (abiotic) environment.
Eutrophication
Indicator Species
Agroforestry
Ecosystem
46. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Total Fertility Rate
Shifting Agriculture
Nitrogen Fixation
Eutrophication
47. A theory that our current ecological problems are a product of deeper social problems.
Biosphere
Social Ecology
Estuary
Exosphere
48. An act which established and enforced acceptable levels of air pollution.
Antarctica
Snowmelt
Clean Air Act
Biodiversity
49. Animals which eat leaves and shoots.
Trophic Level
Environmental Ethics
Browsers
Stratosphere
50. A UN conference that addressed the growing population problem.
Non-government Organizations
Montreal Protocol
UN Conference on Population and Development
National Environmental Policy Act
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