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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. The combination of evaporation from the ocean - lakes - and other bodies of water and transpiration - the loss of water from plants.
Population
Evapotranspiration
Ecosystem
Advection
2. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Ammonification
Stratosphere
Keystone Species
Troposphere
3. The spraying of pesticides to keep produce from any injuries or damage.
Precipitation
Eukaryotes
Neanderthals
Cosmetic Spraying
4. Organisms which eat other organisms.
Symbiosis
Harmful Algal Bloom
Ozone
Consumers
5. Modern man.
Homo Sapiens
Evaporation
Surface Run-Off
Taiga
6. The UN's first major conference on environmental issues.
Trophic Level
Stockholm Conference
Nitrous Oxide
Snowmelt
7. An act which set standards for the amount of pollution in water.
Acid Rain
Autotrophs
Interplanting
Water Pollution Control Act
8. A layer of gasses surrounding the earth.
Species
Atmosphere
Thermosphere
Hydrologic Cycle
9. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Precipitation
Aldo Leopold
Subsurface flow
Interception
10. Surface run-off caused by melted snow.
Species
Condensation
Australopithecus Afarensis
Snowmelt
11. A group of similar organisms capable of interbreeding.
Montreal Protocol
Environmental Ethics
Ecosystem
Species
12. A community of species interacting with their nonliving (abiotic) environment.
Ecosystem
Homo Habilis
Carnivores
Brackish Water
13. An act which established and enforced acceptable levels of air pollution.
Homo Sapiens
Clean Air Act
Speciation
Evapotranspiration
14. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Earth Summit
Shifting Agriculture
Lithosphere
Nitrification
15. 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.
Total Fertility Rate
Tundra
Mutualism
Chaparral
16. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Sublimation
Economic Threshold
Acid Rain
Monoculture
17. Animals which eat grass and roots.
Grasslands
Superfund Law
Grazers
Parasitism
18. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Temperature Inversion
Indicator Species
Tundra
Tropopause
19. The crust and upper mantle of the earth.
Transpiration
Lithosphere
Autotrophs
Advection
20. A partially enclosed part of the ocean with rivers or streams flowing into it.
Estuary
Evapotranspiration
Turbidity
Ecological Niche
21. Organisms which consume autotrophs for food.
Evaporation
Competitive Exclusion
Hetrotrophs
Wildlife Management
22. The coexistence of two species using the same resource where the two will use the resource in different ways.
Speciation
Resource Partitioning
Biomes
Sahelanthropus Tchadensis
23. Organisms which create their own food out of inorganic (abiotic) substances.
Mutualism
Non-government Organizations
Producers
Hetrotrophs
24. An influential book by Rachel Carson which helped begin the environmental movement.
Evapotranspiration
Gross Primary Product
Precipitation
Silent Spring
25. 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.
Biodiversity
Shifting Agriculture
Superfund Law
Stratosphere
26. The biggest atmospheric layer. Without ozone - UV radiation causes ionization and the auroras in this layer.
Silent Spring
Thermosphere
Commensalism
Biomes
27. A type of symbiosis where each species will benefit from interacting with the other.
Eutrophication
Mutualism
Temperate Rain Forest
Transpiration
28. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Tundra
Antarctica
Ozone
Superfund Law
29. The rate at which producers create organic material.
Gross Primary Product
Savannah
Methane
Alley Cropping
30. 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.
Wilderness Act
Browsers
Wildlife Management
Australopithecus Afarensis
31. Precipitation which does not reach the soil but is instead collected by plants.
Kyoto Protocol
Estuary
Homo Habilis
Interception
32. Evolution in one organism due to change in a related organism.
Non-government Organizations
Grazers
Coevolution
Snowmelt
33. Plants taking in nitrates from the soil.
Eutrophication
Biomes
Thermosphere
Assimilation
34. Organisms with a nucleus.
Savannah
Eukaryotes
Estuary
Symbiosis
35. The conversion of nitrates into nitrogen gas.
Brackish Water
Environmental Ethics
Alley Cropping
Denitrification
36. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Stratosphere
Neanderthals
Assimilation
Speciation
37. 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.
Prokaryotes
Browsers
Ecological Niche
Eutrophication
38. Animals which eat leaves and shoots.
Indicator Species
Ozone
Browsers
Nitrification
39. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Competitive Exclusion
Acid Rain
Deciduous Forest
Gross Primary Product
40. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Clean Air Act
Wildlife Management
Environmental Protection Agency
R-Selected Populations
41. A variety of species living together.
Gross Primary Product
Clean Air Act
Parasitism
Community
42. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Homo Habilis
Ozone
Evaporation
Deserts
43. Consumers which eat only other animals.
Parasitism
Homo Sapiens
Community
Carnivores
44. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Tundra
Deserts
Safe Drinking Water Act
Infiltration
45. Forests found in the northern regions of North America - Europe - and Asia characterized by freezing winters and warmer summers. These forests lie just below the tree line.
Prokaryotes
Taiga
Interplanting
Methane
46. Single-celled organisms which lack a nucleus.
Harmful Algal Bloom
Prokaryotes
Grasslands
Troposphere
47. 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.
Chaparral
Copiotrophs
Competitive Exclusion
Environmental Protection Agency
48. All of the water found on earth.
Coevolution
Taiga
Harmful Algal Bloom
Hydrosphere
49. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Indicator Species
Copiotrophs
Tropopause
Interception
50. An international protocol designed to stabilize global warming.
Hydrosphere
Kyoto Protocol
Precipitation
Gross Primary Product
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