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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. Surface run-off caused by melted snow.
Transpiration
Harmful Algal Bloom
Snowmelt
Deciduous Forest
2. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Acid Rain
Environmental Ethics
Keystone Species
Ammonification
3. The rate at which producers create organic material.
Tropopause
Wildlife Management
Gross Primary Product
UN Conference on Population and Development
4. A partially enclosed part of the ocean with rivers or streams flowing into it.
Community
Estuary
Subsurface flow
Producers
5. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Prokaryotes
Ecological Niche
Homo Habilis
Biogeochemical Cycle
6. All of the water found on earth.
Hydrosphere
Environmental Protection Agency
Eukaryotes
Browsers
7. Consumers which eat decomposing organic material.
Vienna Convention for the Protection of the Ozone Layer
Detrivores
Monoculture
Antarctica
8. The process of planting trees in between other crops.
Alley Cropping
Aldo Leopold
Evaporation
Producers
9. The spraying of pesticides to prevent a pest problem before it happens.
Symbiosis
Methane
Insurance Spraying
Assimilation
10. The process of a gas transforming into a liquid.
Prokaryotes
Precipitation
Condensation
Brackish Water
11. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Ozone
Temperature Inversion
Keystone Species
Surface Run-Off
12. An international protocol designed to stabilize global warming.
Detrivores
Trophic Level
Kyoto Protocol
Population
13. A greenhouse gas. Although it is a natural part of the carbon cycle - the atmospheric concentration of this gas has increased due to the burning of fossil fuels.
Alley Cropping
Oligotrophs
Carbon Dioxide
Ecotone
14. 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
Homo Erectus
Antarctica
Resource Partitioning
Carnivores
15. An international convention which created the framework for protecting the ozone layer.
Vienna Convention for the Protection of the Ozone Layer
R-Selected Populations
Organism
Resource Partitioning
16. The process by which a new species is created. This process generally requires geographic isolation to prevent interbreeding between the newly emerging species and the parent species.
Speciation
Prokaryotes
K-Selected Populations
Precipitation
17. Average expected birth rate for 1 -000 women.
Total Fertility Rate
Ecology
Superfund Law
Troposphere
18. The coexistence of two species using the same resource where the two will use the resource in different ways.
Temperate Rain Forest
Antarctica
Earth Summit
Resource Partitioning
19. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Atmosphere
Superfund Law
Parasitism
Monoculture
20. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Deciduous Forest
Indicator Species
Turbidity
Mesosphere
21. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Clean Air Act
Snowmelt
Grasslands
Copiotrophs
22. The process by which the sun's energy converts liquid water to water vapor in the atmosphere.
Wildlife Management
Ecotone
R-Selected Populations
Evaporation
23. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Antarctica
Earth Summit
Biomes
Evaporation
24. 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.
Tropical Rain Forest
Hydrologic Cycle
Competitive Exclusion
Total Fertility Rate
25. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Denitrification
Thermosphere
Australopithecus Afarensis
Stockholm Conference
26. Evolution in one organism due to change in a related organism.
Coevolution
Montreal Protocol
Homo Sapiens
Environmental Ethics
27. The conversion of nitrates into nitrogen gas.
Lithosphere
Denitrification
Homo Sapiens
Total Fertility Rate
28. The spraying of pesticides to keep produce from any injuries or damage.
Autotrophs
Ozone
Homo Habilis
Cosmetic Spraying
29. 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.
Community
Tropical Rain Forest
Subsistence Farming
Trophic Level
30. All members of a species which live in the same area.
Ecological Niche
Population
Resource Partitioning
World Trade Organization
31. Organisms with a nucleus.
Australopithecus Afarensis
Hydrologic Cycle
Wildlife Management
Eukaryotes
32. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Methane
Oligotrophs
Detrivores
Biosphere
33. The UN's first major conference on environmental issues.
Stockholm Conference
Aldo Leopold
Australopithecus Afarensis
Tundra
34. The combination of evaporation from the ocean - lakes - and other bodies of water and transpiration - the loss of water from plants.
Evapotranspiration
Indicator Species
Denitrification
Browsers
35. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Surface Run-Off
Keystone Species
Alley Cropping
Homo Sapiens
36. The study of the interaction between organisms and their environment.
Sahelanthropus Tchadensis
Interplanting
Atmosphere
Ecology
37. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Superfund Law
Copiotrophs
Gross Primary Product
Sahelanthropus Tchadensis
38. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Eutrophication
Harmful Algal Bloom
Aldo Leopold
Indicator Species
39. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Trophic Level
Sublimation
Wildlife Management
Population
40. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Ecological Niche
Organism
Kyoto Protocol
Tundra
41. The rapid increase of harmful algae in a body of water.
Resource Partitioning
Harmful Algal Bloom
Omnivores
Alley Cropping
42. 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
Coniferous Forest
Insurance Spraying
Mutualism
43. 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.
Taiga
Atmosphere
Eukaryotes
Stockholm Conference
44. Growing more than one crop at a time.
Polyculture
Infiltration
Mutualism
Grasslands
45. Populations characterized by small size - short lifespan - and lots of offspring.
Deserts
R-Selected Populations
Ecology
Kyoto Protocol
46. The process of surface water entering the soil. This ensures that plants have adequate access to water.
Infiltration
Browsers
World Trade Organization
Ozone
47. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Hetrotrophs
Non-government Organizations
Shifting Agriculture
Neanderthals
48. Grasslands with short - widely spaced trees and no canopy - allowing for an unbroken layer of grasses beneath.
Stockholm Conference
Savannah
Population
Thermosphere
49. An act requiring federal agencies to detail the impact of proposed environmental policies.
Harmful Algal Bloom
National Environmental Policy Act
Tropical Rain Forest
Safe Drinking Water Act
50. An especially potent greenhouse gas emitted during production and transportation of fossil fuels - decomposition of organic matter - and herds of livestock.
Turbidity
Eukaryotes
Methane
Stockholm Conference
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