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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. A forest near the equator with heavy rainfall and a great diversity of plant and animal life. Although a mere 2% of the earth is covered with these forests - they contain 50-80% of earth's land species.
Tropical Rain Forest
Non-government Organizations
Agroforestry
Exosphere
2. An act which set standards for the amount of pollution in water.
Water Pollution Control Act
Mesosphere
Polyculture
Environmental Protection Agency
3. The position of an organism on the food chain.
Ozone
Mesosphere
Trophic Level
Brackish Water
4. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Keystone Species
Nitrogen Fixation
Biogeochemical Cycle
Ecosystem
5. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Commensalism
Keystone Species
Sahelanthropus Tchadensis
Kyoto Protocol
6. A type of symbiosis where one species benefit at the expense of the other.
Parasitism
Australopithecus Afarensis
Nitrous Oxide
Clean Air Act
7. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Gross Primary Product
Ecological Niche
Homo Habilis
Speciation
8. The conversion of nitrates into nitrogen gas.
Lithosphere
Denitrification
National Environmental Policy Act
Sahelanthropus Tchadensis
9. All of the water found on earth.
Polyculture
Commensalism
Hydrosphere
Monoculture
10. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Nitrogen Fixation
Parasitism
Ozone
Surface Run-Off
11. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Silent Spring
Homo Erectus
Nitrous Oxide
Environmental Protection Agency
12. Growing more than one crop at a time.
Exosphere
Aldo Leopold
Polyculture
Autotrophs
13. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Air Pollution
Water Pollution Control Act
Superfund Law
R-Selected Populations
14. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Biosphere
Homo Habilis
Sublimation
Commensalism
15. The amount of pests needed before spraying pesticides is economical.
Troposphere
Homo Erectus
Detrivores
Economic Threshold
16. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Cosmetic Spraying
Harmful Algal Bloom
Biodiversity
Evaporation
17. Any living thing on earth.
Ecology
Organism
Mesosphere
Methane
18. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Nitrification
Sahelanthropus Tchadensis
Exosphere
Neanderthals
19. Organisms which consume autotrophs for food.
Hetrotrophs
Neanderthals
Hydrosphere
Wilderness Act
20. All of the ecosystems on earth.
Biosphere
Omnivores
K-Selected Populations
Montreal Protocol
21. Consumers which eat decomposing organic material.
Detrivores
Biodiversity
Eutrophication
Antarctica
22. An act requiring federal agencies to detail the impact of proposed environmental policies.
National Environmental Policy Act
Precipitation
Stockholm Conference
Shifting Agriculture
23. Plants taking in nitrates from the soil.
Autotrophs
R-Selected Populations
Economic Threshold
Assimilation
24. A group of similar organisms capable of interbreeding.
Species
Savannah
Stratosphere
Agroforestry
25. Different species living in close contact with each other.
Intensive Subsistence Farming
National Environmental Policy Act
Symbiosis
Superfund Law
26. The middle atmospheric layer. Meteors burn up after entering this layer.
Ecology
Hydrologic Cycle
Mutualism
Mesosphere
27. A greenhouse gas which also plays a key role in regulating ozone levels.
Nitrous Oxide
Cosmetic Spraying
Condensation
Temperature Inversion
28. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Aldo Leopold
Montreal Protocol
Interplanting
Harmful Algal Bloom
29. The rapid increase of harmful algae in a body of water.
Endangered Species Act
Competitive Exclusion
Harmful Algal Bloom
Grasslands
30. The rate at which producers create organic material.
Gross Primary Product
Oligotrophs
Infiltration
Kyoto Protocol
31. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Atmosphere
Consumers
Subsistence Farming
Competitive Exclusion
32. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Condensation
Tundra
Temperate Rain Forest
Coniferous Forest
33. The uppermost atmospheric layer. Here satellites orbit the earth.
Exosphere
Keystone Species
Snowmelt
Australopithecus Afarensis
34. 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.
Species
Tropical Rain Forest
Environmental Ethics
Gross Primary Product
35. The first atmospheric layer. Most weather and pollution occurs here - and the temperature decreases with altitude.
Brackish Water
Snowmelt
Ozone
Troposphere
36. A layer of gasses surrounding the earth.
Atmosphere
Oligotrophs
Carbon Dioxide
Eukaryotes
37. The crust and upper mantle of the earth.
Cosmetic Spraying
Lithosphere
Polyculture
Troposphere
38. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Nitrogen Fixation
Environmental Ethics
Ammonification
Biosphere
39. A rainforest in the temperate zone which receives heavy rainfall.
Temperature Inversion
Gross Primary Product
Temperate Rain Forest
Transpiration
40. 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
Superfund Law
Eukaryotes
Earth Summit
41. An international protocol designed to stabilize global warming.
Carbon Dioxide
Mutualism
Brackish Water
Kyoto Protocol
42. Organisms which produce their own food.
K-Selected Populations
R-Selected Populations
Assimilation
Autotrophs
43. The process by which pollutants are carried by flowing water - such as a river.
Grasslands
Exosphere
Advection
Agroforestry
44. The process of planting trees in between other crops.
World Trade Organization
Alley Cropping
Tropical Rain Forest
Infiltration
45. Organisms which create their own food out of inorganic (abiotic) substances.
Kyoto Protocol
Producers
Acid Rain
Agroforestry
46. Organisms which eat other organisms.
Kyoto Protocol
Organism
Consumers
Endangered Species Act
47. Populations characterized by small size - short lifespan - and lots of offspring.
Monoculture
R-Selected Populations
Resource Partitioning
Interception
48. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Economic Threshold
Shifting Agriculture
Troposphere
Oligotrophs
49. 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.
Economic Threshold
Eutrophication
Homo Habilis
Methane
50. 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
Ammonification
Browsers
Social Ecology
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