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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. Animals which eat grass and roots.
Grasslands
Grazers
Australopithecus Afarensis
Biomes
2. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Commensalism
Intensive Subsistence Farming
Interplanting
Parasitism
3. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Coevolution
Environmental Protection Agency
Turbidity
Surface Run-Off
4. The study of the interaction between organisms and their environment.
Nitrous Oxide
Copiotrophs
Ecology
Cosmetic Spraying
5. The amount of pests needed before spraying pesticides is economical.
Deserts
Advection
Economic Threshold
Tropical Rain Forest
6. Biomes with less than 10 inches of rain a year. Foliage is scarce in these areas - and remaining plants and animals work hard to conserve the little water they receive.
Deserts
Biomes
Clean Air Act
Deciduous Forest
7. The loss of water vapor from leaves.
Homo Sapiens
Transpiration
Assimilation
Hydrosphere
8. The spraying of pesticides to prevent a pest problem before it happens.
Coniferous Forest
Insurance Spraying
Biogeochemical Cycle
Earth Summit
9. Consumers which eat both plants and animals.
Omnivores
Subsistence Farming
Polyculture
Sublimation
10. A theory that our current ecological problems are a product of deeper social problems.
Monoculture
Population
Keystone Species
Social Ecology
11. A group of similar organisms capable of interbreeding.
Species
Assimilation
World Trade Organization
Brackish Water
12. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Savannah
Antarctica
Atmosphere
Grasslands
13. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Non-government Organizations
Temperate Rain Forest
Nitrogen Fixation
Stratosphere
14. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Sublimation
Trophic Level
Troposphere
Australopithecus Afarensis
15. A type of symbiosis where one species benefit at the expense of the other.
Parasitism
Savannah
Ecological Niche
Hydrosphere
16. Evolution in one organism due to change in a related organism.
National Environmental Policy Act
Consumers
Evaporation
Coevolution
17. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Copiotrophs
Ecological Niche
Wilderness Act
Condensation
18. Average expected birth rate for 1 -000 women.
Turbidity
Evaporation
Total Fertility Rate
Hydrosphere
19. Populations characterized by large size - long lifespan - and few offspring.
Superfund Law
Deciduous Forest
K-Selected Populations
Social Ecology
20. Any living thing on earth.
Resource Partitioning
Ammonification
Organism
Shifting Agriculture
21. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Tundra
Vienna Convention for the Protection of the Ozone Layer
Environmental Protection Agency
Population
22. 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
Biosphere
Grasslands
Water Pollution Control Act
Antarctica
23. Different species living in close contact with each other.
UN Conference on Population and Development
Infiltration
Brackish Water
Symbiosis
24. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Wilderness Act
Sahelanthropus Tchadensis
Agroforestry
Eutrophication
25. The coexistence of two species using the same resource where the two will use the resource in different ways.
Nitrous Oxide
Resource Partitioning
Condensation
Savannah
26. 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.
UN Conference on Population and Development
Intensive Subsistence Farming
Safe Drinking Water Act
Subsistence Farming
27. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Population
Non-government Organizations
Chaparral
Precipitation
28. The rapid increase of harmful algae in a body of water.
Browsers
Acid Rain
Harmful Algal Bloom
Non-government Organizations
29. The process by which pollutants are carried by flowing water - such as a river.
Advection
Montreal Protocol
Carbon Dioxide
Species
30. 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.
Interception
Gross Primary Product
Hydrologic Cycle
Social Ecology
31. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Deciduous Forest
Browsers
Total Fertility Rate
Evapotranspiration
32. An act which set standards for the amount of pollution in water.
Species
Water Pollution Control Act
Ecology
K-Selected Populations
33. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Montreal Protocol
Endangered Species Act
Homo Erectus
Savannah
34. An act which required the EPA to set standards for drinking water.
Safe Drinking Water Act
Kyoto Protocol
Acid Rain
K-Selected Populations
35. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Oligotrophs
Ozone
Evaporation
Eukaryotes
36. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Social Ecology
Homo Erectus
Australopithecus Afarensis
Cosmetic Spraying
37. The amount of variation among organisms living in a particular ecosystem. The loss of this key characteristic leads to a reduction in ecosystem efficiency and the ability of species to adapt to new situations.
Biodiversity
Environmental Ethics
R-Selected Populations
Autotrophs
38. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Turbidity
Intensive Subsistence Farming
Temperature Inversion
Brackish Water
39. The first atmospheric layer. Most weather and pollution occurs here - and the temperature decreases with altitude.
Troposphere
Biomes
Trophic Level
Coevolution
40. 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.
Alley Cropping
Hydrosphere
Assimilation
Competitive Exclusion
41. A UN conference that addressed the growing population problem.
Endangered Species Act
Kyoto Protocol
Copiotrophs
UN Conference on Population and Development
42. An act which established and enforced acceptable levels of air pollution.
Clean Air Act
Toxic Substances Control Act
Deciduous Forest
Environmental Ethics
43. 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.
Grasslands
Chaparral
Population
Environmental Protection Agency
44. Single-celled organisms which lack a nucleus.
Advection
Troposphere
Prokaryotes
Ecotone
45. A variety of species living together.
Carnivores
Environmental Protection Agency
Community
Chaparral
46. An especially potent greenhouse gas emitted during production and transportation of fossil fuels - decomposition of organic matter - and herds of livestock.
Intensive Subsistence Farming
Methane
Interplanting
Social Ecology
47. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Eutrophication
Condensation
Aldo Leopold
Snowmelt
48. All members of a species which live in the same area.
Population
Clean Air Act
Prokaryotes
K-Selected Populations
49. A type of symbiosis where each species will benefit from interacting with the other.
Precipitation
Ecological Niche
Atmosphere
Mutualism
50. The UN's first major conference on environmental issues.
Homo Erectus
Biogeochemical Cycle
Commensalism
Stockholm Conference