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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. 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.
Subsistence Farming
Ecology
Deserts
Aldo Leopold
2. Average expected birth rate for 1 -000 women.
Neanderthals
Savannah
Total Fertility Rate
Mesosphere
3. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Gross Primary Product
Environmental Protection Agency
Species
Exosphere
4. The position of an organism on the food chain.
Assimilation
Ecology
Nitrous Oxide
Trophic Level
5. 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.
Troposphere
Community
Speciation
Grazers
6. 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
Hydrosphere
Grazers
Ozone
7. Political organizations not affiliated with the government which try to bring about social change.
Estuary
Hetrotrophs
Autotrophs
Non-government Organizations
8. The process of planting trees in between other crops.
Coevolution
Alley Cropping
Deserts
Prokaryotes
9. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Precipitation
Montreal Protocol
Total Fertility Rate
Species
10. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Cosmetic Spraying
Superfund Law
Wildlife Management
Nitrification
11. Single-celled organisms which lack a nucleus.
Biodiversity
Aldo Leopold
Atmosphere
Prokaryotes
12. The flow of water in the water table.
Subsurface flow
Economic Threshold
Condensation
National Environmental Policy Act
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.
Turbidity
Carbon Dioxide
Prokaryotes
Estuary
14. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Tropical Rain Forest
Oligotrophs
Indicator Species
Alley Cropping
15. Precipitation which does not reach the soil but is instead collected by plants.
Interception
Neanderthals
Copiotrophs
Biosphere
16. A type of symbiosis where one species benefit at the expense of the other.
Consumers
Parasitism
Gross Primary Product
Interplanting
17. An act which set standards for the amount of pollution in water.
Mutualism
Ecosystem
Evapotranspiration
Water Pollution Control Act
18. The loss of water vapor from leaves.
Coevolution
Turbidity
Superfund Law
Transpiration
19. Different species living in close contact with each other.
Symbiosis
Air Pollution
Autotrophs
Tundra
20. 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.
Coniferous Forest
Competitive Exclusion
Insurance Spraying
Turbidity
21. Surface run-off caused by melted snow.
Insurance Spraying
Subsurface flow
Snowmelt
Speciation
22. Populations characterized by large size - long lifespan - and few offspring.
Ecosystem
K-Selected Populations
Stockholm Conference
Subsurface flow
23. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Aldo Leopold
Methane
Precipitation
Surface Run-Off
24. An act which required the EPA to set standards for drinking water.
Safe Drinking Water Act
Evapotranspiration
Grasslands
Kyoto Protocol
25. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Temperate Rain Forest
Ecotone
Ammonification
K-Selected Populations
26. Organisms which consume autotrophs for food.
Browsers
Australopithecus Afarensis
Hetrotrophs
Prokaryotes
27. Plants taking in nitrates from the soil.
National Environmental Policy Act
Keystone Species
Monoculture
Assimilation
28. An international protocol designed to stabilize global warming.
Toxic Substances Control Act
Population
Kyoto Protocol
Methane
29. Consumers which eat decomposing organic material.
Consumers
Stockholm Conference
Detrivores
Advection
30. The crust and upper mantle of the earth.
Ammonification
Silent Spring
Infiltration
Lithosphere
31. All of the ecosystems on earth.
Biosphere
Cosmetic Spraying
Precipitation
Chaparral
32. Organisms which create their own food out of inorganic (abiotic) substances.
Intensive Subsistence Farming
Producers
R-Selected Populations
Mutualism
33. An act which protects certain lands as national parks.
Toxic Substances Control Act
Wilderness Act
Economic Threshold
Savannah
34. The combination of evaporation from the ocean - lakes - and other bodies of water and transpiration - the loss of water from plants.
Atmosphere
Monoculture
Stratosphere
Evapotranspiration
35. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Environmental Ethics
Subsistence Farming
Ecotone
Wildlife Management
36. An act created to protect endangered and threatened species.
Temperature Inversion
Resource Partitioning
Mesosphere
Endangered Species Act
37. A community of similar living organisms largely affected by the area's climate.
Biomes
Species
Neanderthals
Gross Primary Product
38. 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.
Superfund Law
Nitrification
Advection
Eutrophication
39. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Temperature Inversion
Snowmelt
Harmful Algal Bloom
Exosphere
40. A transitional area between two different ecosystems.
Harmful Algal Bloom
Consumers
Population
Ecotone
41. Evolution in one organism due to change in a related organism.
Homo Habilis
Monoculture
Commensalism
Coevolution
42. All of the water found on earth.
Biodiversity
Turbidity
Hydrosphere
Shifting Agriculture
43. Grasslands with short - widely spaced trees and no canopy - allowing for an unbroken layer of grasses beneath.
Estuary
R-Selected Populations
Ecological Niche
Savannah
44. The process by which pollutants are carried by flowing water - such as a river.
Wilderness Act
Evaporation
Advection
Safe Drinking Water Act
45. Populations characterized by small size - short lifespan - and lots of offspring.
R-Selected Populations
Temperate Rain Forest
Monoculture
Oligotrophs
46. The uppermost atmospheric layer. Here satellites orbit the earth.
Exosphere
Ecology
Eutrophication
Interception
47. A rainforest in the temperate zone which receives heavy rainfall.
Stockholm Conference
Temperate Rain Forest
Wilderness Act
Consumers
48. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Brackish Water
Hetrotrophs
Mesosphere
Earth Summit
49. The conversion of nitrates into nitrogen gas.
Interception
Lithosphere
Social Ecology
Denitrification
50. 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.
Wildlife Management
Interception
Prokaryotes
Carbon Dioxide
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