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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. 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.
Coniferous Forest
Coevolution
Deserts
Evaporation
2. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Toxic Substances Control Act
Ecology
Alley Cropping
Acid Rain
3. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Omnivores
Social Ecology
Deciduous Forest
Biogeochemical Cycle
4. An act which protects certain lands as national parks.
Mutualism
K-Selected Populations
Wilderness Act
Carbon Dioxide
5. 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.
Transpiration
Brackish Water
Homo Erectus
Toxic Substances Control Act
6. Consumers which eat both plants and animals.
Coniferous Forest
Omnivores
K-Selected Populations
Eutrophication
7. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Autotrophs
Community
Grasslands
Prokaryotes
8. Consumers which eat decomposing organic material.
Social Ecology
Detrivores
Coevolution
Ozone
9. A community of species interacting with their nonliving (abiotic) environment.
Ecosystem
Trophic Level
World Trade Organization
Prokaryotes
10. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Subsistence Farming
Agroforestry
Clean Air Act
Troposphere
11. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Agroforestry
Economic Threshold
Ecological Niche
Organism
12. Exceptionally acidic (low pH) rain. This phenomenon is caused mainly by emissions of carbon dioxide - sulfur dioxide - and nitrogen oxide which react with water particles in the air.
Subsurface flow
Deserts
Cosmetic Spraying
Acid Rain
13. Populations characterized by large size - long lifespan - and few offspring.
Ammonification
K-Selected Populations
Antarctica
Tropical Rain Forest
14. An extinct hominid species believed to be the last common ancestor between man and apes.
Agroforestry
Australopithecus Afarensis
Nitrification
Sahelanthropus Tchadensis
15. A transitional area between two different ecosystems.
Ecotone
Homo Sapiens
Turbidity
Snowmelt
16. The rapid increase of harmful algae in a body of water.
Harmful Algal Bloom
Aldo Leopold
Interception
Estuary
17. The combination of evaporation from the ocean - lakes - and other bodies of water and transpiration - the loss of water from plants.
Homo Sapiens
Gross Primary Product
Copiotrophs
Evapotranspiration
18. 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.
Hydrologic Cycle
Savannah
Biodiversity
Stratosphere
19. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Aldo Leopold
Superfund Law
Detrivores
Sahelanthropus Tchadensis
20. 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.
Symbiosis
Taiga
Interplanting
Sublimation
21. The rate at which producers create organic material.
K-Selected Populations
Gross Primary Product
Australopithecus Afarensis
Ecosystem
22. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Exosphere
Detrivores
Environmental Ethics
Nitrification
23. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Intensive Subsistence Farming
Brackish Water
Oligotrophs
Tundra
24. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Superfund Law
Producers
Infiltration
Eutrophication
25. All of the water found on earth.
Toxic Substances Control Act
Earth Summit
Hydrosphere
Economic Threshold
26. Single-celled organisms which lack a nucleus.
Surface Run-Off
Intensive Subsistence Farming
Prokaryotes
Taiga
27. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.
Deciduous Forest
Earth Summit
Endangered Species Act
Chaparral
28. An act which set standards for the amount of pollution in water.
Water Pollution Control Act
Tundra
Symbiosis
Consumers
29. The middle atmospheric layer. Meteors burn up after entering this layer.
Mesosphere
Grasslands
Neanderthals
Hydrosphere
30. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Endangered Species Act
Social Ecology
Neanderthals
Keystone Species
31. 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.
Producers
Wildlife Management
Precipitation
Coevolution
32. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
R-Selected Populations
Ecology
Community
Stratosphere
33. 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.
Neanderthals
Ozone
Coevolution
Lithosphere
34. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Biomes
Australopithecus Afarensis
Carnivores
Infiltration
35. All members of a species which live in the same area.
Population
Mesosphere
Assimilation
Wilderness Act
36. Animals which eat grass and roots.
Community
Commensalism
Environmental Ethics
Grazers
37. A layer of gasses surrounding the earth.
Tropical Rain Forest
Air Pollution
World Trade Organization
Atmosphere
38. Growing more than one crop at a time.
Polyculture
Consumers
Coevolution
Subsurface flow
39. An influential book by Rachel Carson which helped begin the environmental movement.
Silent Spring
Monoculture
Biomes
Carbon Dioxide
40. A theory that our current ecological problems are a product of deeper social problems.
Social Ecology
Earth Summit
Savannah
Cosmetic Spraying
41. A rainforest in the temperate zone which receives heavy rainfall.
Temperate Rain Forest
Browsers
Prokaryotes
Thermosphere
42. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Montreal Protocol
Homo Habilis
Species
Endangered Species Act
43. An act which established and enforced acceptable levels of air pollution.
Temperature Inversion
Speciation
Clean Air Act
Nitrogen Fixation
44. All of the ecosystems on earth.
Consumers
Insurance Spraying
Deserts
Biosphere
45. Organisms which produce their own food.
Biomes
K-Selected Populations
Autotrophs
Stockholm Conference
46. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Montreal Protocol
Alley Cropping
Surface Run-Off
Wildlife Management
47. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Keystone Species
Subsistence Farming
Gross Primary Product
Condensation
48. The flow of water in the water table.
Subsurface flow
Biosphere
Temperate Rain Forest
Tundra
49. The spraying of pesticides to prevent a pest problem before it happens.
Stratosphere
Homo Habilis
Insurance Spraying
Water Pollution Control Act
50. Precipitation which does not reach the soil but is instead collected by plants.
Ecotone
Interception
Resource Partitioning
Nitrous Oxide