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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. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Eukaryotes
Biosphere
Surface Run-Off
Infiltration
2. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Evaporation
Intensive Subsistence Farming
Nitrification
Taiga
3. Consumers which eat both plants and animals.
Homo Erectus
Harmful Algal Bloom
Subsurface flow
Omnivores
4. An especially potent greenhouse gas emitted during production and transportation of fossil fuels - decomposition of organic matter - and herds of livestock.
Methane
Neanderthals
Exosphere
Air Pollution
5. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Indicator Species
Environmental Protection Agency
Precipitation
Temperature Inversion
6. 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
Interplanting
Cosmetic Spraying
Detrivores
Antarctica
7. A community of similar living organisms largely affected by the area's climate.
Biomes
Hetrotrophs
Insurance Spraying
Deciduous Forest
8. Animals which eat grass and roots.
Intensive Subsistence Farming
Grazers
Keystone Species
Turbidity
9. An international convention which created the framework for protecting the ozone layer.
Vienna Convention for the Protection of the Ozone Layer
Lithosphere
Resource Partitioning
Interplanting
10. 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.
Safe Drinking Water Act
Ozone
Interception
Competitive Exclusion
11. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Superfund Law
Atmosphere
Subsistence Farming
Polyculture
12. Organisms with a nucleus.
Wilderness Act
Taiga
Eukaryotes
Harmful Algal Bloom
13. 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.
Ecotone
Precipitation
Ecological Niche
Hydrologic Cycle
14. The process of a gas transforming into a liquid.
Subsurface flow
Carnivores
Condensation
Subsistence Farming
15. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Assimilation
Stockholm Conference
Montreal Protocol
Agroforestry
16. Organisms which create their own food out of inorganic (abiotic) substances.
Safe Drinking Water Act
National Environmental Policy Act
Producers
Biodiversity
17. The study of the interaction between organisms and their environment.
Parasitism
Ecology
Homo Erectus
Polyculture
18. An international organization designed to promote free trade between countries.
World Trade Organization
Prokaryotes
Turbidity
Eukaryotes
19. A group of similar organisms capable of interbreeding.
Species
Condensation
Toxic Substances Control Act
Coniferous Forest
20. An extinct hominid species believed to be the last common ancestor between man and apes.
Sahelanthropus Tchadensis
Keystone Species
Stratosphere
Aldo Leopold
21. Surface run-off caused by melted snow.
Snowmelt
Indicator Species
Infiltration
Consumers
22. The uppermost atmospheric layer. Here satellites orbit the earth.
Autotrophs
Exosphere
Polyculture
Ecological Niche
23. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Savannah
Temperature Inversion
Carbon Dioxide
Australopithecus Afarensis
24. An act which protects certain lands as national parks.
Homo Habilis
Grazers
Coevolution
Wilderness Act
25. 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.
Surface Run-Off
Denitrification
Neanderthals
Wildlife Management
26. A community of species interacting with their nonliving (abiotic) environment.
Species
Acid Rain
Eutrophication
Ecosystem
27. Populations characterized by small size - short lifespan - and lots of offspring.
National Environmental Policy Act
Montreal Protocol
R-Selected Populations
Methane
28. Modern man.
Water Pollution Control Act
Homo Sapiens
Symbiosis
Wilderness Act
29. 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.
Infiltration
Competitive Exclusion
Organism
Homo Sapiens
30. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Biosphere
Endangered Species Act
Superfund Law
K-Selected Populations
31. A transitional area between two different ecosystems.
Stratosphere
Subsurface flow
Ecotone
Lithosphere
32. The coexistence of two species using the same resource where the two will use the resource in different ways.
Superfund Law
Biomes
Assimilation
Resource Partitioning
33. 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.
Ozone
Denitrification
Non-government Organizations
Coniferous Forest
34. A variety of species living together.
Community
Alley Cropping
Total Fertility Rate
Resource Partitioning
35. A greenhouse gas which also plays a key role in regulating ozone levels.
Nitrous Oxide
Ecology
Subsurface flow
Australopithecus Afarensis
36. The area between the troposphere and the stratosphere. Here the temperature reverses from decreasing to increasing with altitude.
Tropopause
Biomes
Interception
Surface Run-Off
37. The process of planting trees in between other crops.
Trophic Level
Earth Summit
Evapotranspiration
Alley Cropping
38. The rapid increase of harmful algae in a body of water.
Subsistence Farming
Wildlife Management
Agroforestry
Harmful Algal Bloom
39. Precipitation which does not reach the soil but is instead collected by plants.
Temperate Rain Forest
Homo Habilis
Wilderness Act
Interception
40. The cloudiness of a liquid due to small suspended particles.
Ecotone
Turbidity
Kyoto Protocol
Nitrous Oxide
41. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
National Environmental Policy Act
Resource Partitioning
Neanderthals
Keystone Species
42. Growing more than one crop at a time.
Toxic Substances Control Act
Polyculture
Social Ecology
Coevolution
43. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Brackish Water
Autotrophs
Grazers
Sahelanthropus Tchadensis
44. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Earth Summit
Omnivores
Alley Cropping
Cosmetic Spraying
45. A type of farming where the farmer will grow crops both to fulfill his family's needs for the next year and to sell on the market.
Troposphere
Trophic Level
Intensive Subsistence Farming
Keystone Species
46. The biggest atmospheric layer. Without ozone - UV radiation causes ionization and the auroras in this layer.
Environmental Protection Agency
Thermosphere
Ecology
Earth Summit
47. 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
Mesosphere
Water Pollution Control Act
Silent Spring
48. All members of a species which live in the same area.
Population
Ammonification
Resource Partitioning
Ecosystem
49. Animals which eat leaves and shoots.
Total Fertility Rate
Troposphere
Browsers
Producers
50. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Non-government Organizations
World Trade Organization
Neanderthals
K-Selected Populations