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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. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Keystone Species
Toxic Substances Control Act
Alley Cropping
Coniferous Forest
2. An act requiring federal agencies to detail the impact of proposed environmental policies.
Biodiversity
Prokaryotes
National Environmental Policy Act
Toxic Substances Control Act
3. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Temperature Inversion
Carbon Dioxide
Ecological Niche
R-Selected Populations
4. A theory that our current ecological problems are a product of deeper social problems.
Social Ecology
Monoculture
Biomes
Montreal Protocol
5. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Denitrification
Ozone
Sublimation
Environmental Ethics
6. The cloudiness of a liquid due to small suspended particles.
Environmental Protection Agency
R-Selected Populations
Community
Turbidity
7. A partially enclosed part of the ocean with rivers or streams flowing into it.
Estuary
Environmental Protection Agency
Tropical Rain Forest
Homo Erectus
8. 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.
Evaporation
Wildlife Management
Insurance Spraying
Evapotranspiration
9. An act which required the EPA to set standards for drinking water.
Safe Drinking Water Act
Precipitation
Ecosystem
Harmful Algal Bloom
10. 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
Coniferous Forest
Nitrous Oxide
Speciation
11. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Stratosphere
R-Selected Populations
Transpiration
Condensation
12. An act which protects certain lands as national parks.
Wilderness Act
Sublimation
Neanderthals
Australopithecus Afarensis
13. Growing only one crop at a time.
Symbiosis
Shifting Agriculture
Monoculture
Grasslands
14. 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.
Homo Habilis
Ecology
Snowmelt
Hydrologic Cycle
15. Surface run-off caused by melted snow.
Chaparral
Antarctica
Browsers
Snowmelt
16. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Subsurface flow
Carbon Dioxide
Environmental Protection Agency
Brackish Water
17. 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.
Tropopause
Brackish Water
Cosmetic Spraying
Shifting Agriculture
18. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Community
Savannah
Australopithecus Afarensis
Subsistence Farming
19. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Ozone
Biogeochemical Cycle
Indicator Species
Subsistence Farming
20. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Homo Erectus
Prokaryotes
Copiotrophs
Homo Habilis
21. A type of symbiosis where one species benefit at the expense of the other.
Interplanting
Turbidity
Snowmelt
Parasitism
22. All of the water found on earth.
Monoculture
Speciation
Hydrosphere
Silent Spring
23. An international convention which created the framework for protecting the ozone layer.
Vienna Convention for the Protection of the Ozone Layer
Ecotone
Browsers
Aldo Leopold
24. The rapid increase of harmful algae in a body of water.
Assimilation
Harmful Algal Bloom
Biogeochemical Cycle
Atmosphere
25. 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.
Carbon Dioxide
Aldo Leopold
Population
Neanderthals
26. 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.
Assimilation
Carnivores
Biodiversity
Deciduous Forest
27. The middle atmospheric layer. Meteors burn up after entering this layer.
Population
Kyoto Protocol
Mesosphere
Ecotone
28. Consumers which eat only other animals.
Copiotrophs
Endangered Species Act
Carnivores
Turbidity
29. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Interplanting
Neanderthals
Environmental Protection Agency
Eukaryotes
30. The conversion of nitrates into nitrogen gas.
Harmful Algal Bloom
Earth Summit
Mutualism
Denitrification
31. Plants taking in nitrates from the soil.
Assimilation
Antarctica
Harmful Algal Bloom
Coevolution
32. The infiltration of harmful chemicals - particles - or biological matter into the atmosphere which endanger living organisms. Pollutants include sulfur and nitrogen oxides - ammonia - and chlorofluorocarbons. Although there are natural sources for th
Biomes
Air Pollution
Silent Spring
Ammonification
33. Consumers which eat decomposing organic material.
Australopithecus Afarensis
Detrivores
Earth Summit
Nitrogen Fixation
34. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Keystone Species
Assimilation
Interception
Non-government Organizations
35. The process by which pollutants are carried by flowing water - such as a river.
Advection
K-Selected Populations
Symbiosis
Interplanting
36. Organisms which produce their own food.
National Environmental Policy Act
Autotrophs
Grasslands
Earth Summit
37. A transitional area between two different ecosystems.
Commensalism
Intensive Subsistence Farming
Ecotone
Homo Erectus
38. The flow of water in the water table.
Resource Partitioning
Subsurface flow
Infiltration
Brackish Water
39. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Organism
Biosphere
Subsistence Farming
Insurance Spraying
40. Populations characterized by large size - long lifespan - and few offspring.
Eutrophication
Earth Summit
K-Selected Populations
R-Selected Populations
41. 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.
Cosmetic Spraying
Taiga
Subsistence Farming
Eutrophication
42. The process of a gas transforming into a liquid.
Mesosphere
Condensation
World Trade Organization
Thermosphere
43. A type of symbiosis where each species will benefit from interacting with the other.
Mutualism
Surface Run-Off
Biodiversity
Kyoto Protocol
44. A layer of gasses surrounding the earth.
Producers
Agroforestry
Atmosphere
National Environmental Policy Act
45. An international protocol designed to stabilize global warming.
National Environmental Policy Act
Ecology
Vienna Convention for the Protection of the Ozone Layer
Kyoto Protocol
46. Evolution in one organism due to change in a related organism.
Snowmelt
Mesosphere
Harmful Algal Bloom
Coevolution
47. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
UN Conference on Population and Development
World Trade Organization
Surface Run-Off
Chaparral
48. The UN's first major conference on environmental issues.
Chaparral
Browsers
Homo Erectus
Stockholm Conference
49. An act created to protect endangered and threatened species.
Ecotone
Surface Run-Off
Endangered Species Act
Air Pollution
50. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Brackish Water
Neanderthals
Nitrous Oxide
Sahelanthropus Tchadensis