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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. Consumers which eat decomposing organic material.
Monoculture
Detrivores
Copiotrophs
Coniferous Forest
2. The spraying of pesticides to prevent a pest problem before it happens.
Deciduous Forest
Insurance Spraying
Keystone Species
Sublimation
3. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Precipitation
Copiotrophs
Shifting Agriculture
Non-government Organizations
4. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Producers
Autotrophs
Aldo Leopold
Subsistence Farming
5. An especially potent greenhouse gas emitted during production and transportation of fossil fuels - decomposition of organic matter - and herds of livestock.
Grasslands
Parasitism
Methane
Kyoto Protocol
6. An agency created to establish regulations concerning pollutants to protect humans and the environment.
Exosphere
Temperate Rain Forest
Snowmelt
Environmental Protection Agency
7. 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.
Nitrification
Keystone Species
Homo Erectus
Hydrologic Cycle
8. All members of a species which live in the same area.
World Trade Organization
Intensive Subsistence Farming
Biosphere
Population
9. A forest characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
Safe Drinking Water Act
Deciduous Forest
Neanderthals
R-Selected Populations
10. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Mutualism
Oligotrophs
Superfund Law
Snowmelt
11. The rapid increase of harmful algae in a body of water.
Silent Spring
Cosmetic Spraying
Non-government Organizations
Harmful Algal Bloom
12. A greenhouse gas which also plays a key role in regulating ozone levels.
Nitrous Oxide
Social Ecology
Environmental Ethics
Surface Run-Off
13. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Homo Habilis
Evaporation
Turbidity
Thermosphere
14. An influential book by Rachel Carson which helped begin the environmental movement.
Silent Spring
Commensalism
Biodiversity
Ozone
15. Animals which eat leaves and shoots.
National Environmental Policy Act
Biodiversity
Antarctica
Browsers
16. Populations characterized by large size - long lifespan - and few offspring.
Oligotrophs
Alley Cropping
Carnivores
K-Selected Populations
17. The middle atmospheric layer. Meteors burn up after entering this layer.
Insurance Spraying
Ammonification
Mesosphere
Shifting Agriculture
18. Growing only one crop at a time.
Organism
Transpiration
Monoculture
Browsers
19. All of the water found on earth.
Silent Spring
Stratosphere
Australopithecus Afarensis
Hydrosphere
20. An extinct hominid species believed to be the last common ancestor between man and apes.
Endangered Species Act
Aldo Leopold
Sahelanthropus Tchadensis
Surface Run-Off
21. Grasslands with short - widely spaced trees and no canopy - allowing for an unbroken layer of grasses beneath.
Homo Sapiens
Savannah
Water Pollution Control Act
Intensive Subsistence Farming
22. Single-celled organisms which lack a nucleus.
Surface Run-Off
Sublimation
Prokaryotes
Brackish Water
23. The flow of water in the water table.
Subsurface flow
Polyculture
Methane
Consumers
24. A community of species interacting with their nonliving (abiotic) environment.
Detrivores
Superfund Law
Acid Rain
Ecosystem
25. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Subsurface flow
Browsers
Nitrogen Fixation
Evapotranspiration
26. The process by which pollutants are carried by flowing water - such as a river.
Wildlife Management
Hydrosphere
Oligotrophs
Advection
27. An act created to protect endangered and threatened species.
Sublimation
Alley Cropping
Endangered Species Act
UN Conference on Population and Development
28. 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.
Acid Rain
Symbiosis
Precipitation
UN Conference on Population and Development
29. 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.
Sahelanthropus Tchadensis
Deserts
Taiga
Biodiversity
30. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
Grasslands
Resource Partitioning
Water Pollution Control Act
Alley Cropping
31. A type of symbiosis where one species benefit at the expense of the other.
Commensalism
Atmosphere
Parasitism
Acid Rain
32. A UN conference that addressed the growing population problem.
Copiotrophs
Coniferous Forest
UN Conference on Population and Development
Stockholm Conference
33. 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.
Shifting Agriculture
Competitive Exclusion
Advection
Social Ecology
34. The uppermost atmospheric layer. Here satellites orbit the earth.
Carbon Dioxide
Clean Air Act
Chaparral
Exosphere
35. Any living thing on earth.
Biomes
Ammonification
Organism
Lithosphere
36. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Biomes
Copiotrophs
Keystone Species
Condensation
37. An international convention which created the framework for protecting the ozone layer.
Vienna Convention for the Protection of the Ozone Layer
Snowmelt
Wilderness Act
Evapotranspiration
38. 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.
Chaparral
Agroforestry
Superfund Law
Shifting Agriculture
39. The study of the interaction between organisms and their environment.
Denitrification
K-Selected Populations
Ecology
Infiltration
40. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Species
Assimilation
Surface Run-Off
Sublimation
41. Modern man.
Homo Sapiens
Hydrosphere
Trophic Level
Interplanting
42. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Neanderthals
Coniferous Forest
Sahelanthropus Tchadensis
Precipitation
43. 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.
Ozone
Advection
Taiga
Monoculture
44. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Alley Cropping
Agroforestry
Vienna Convention for the Protection of the Ozone Layer
Ecotone
45. An act which protects certain lands as national parks.
Autotrophs
Ozone
Wilderness Act
World Trade Organization
46. An act which required the EPA to set standards for drinking water.
Evapotranspiration
Resource Partitioning
Safe Drinking Water Act
Agroforestry
47. 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.
Omnivores
Chaparral
Coevolution
Biodiversity
48. The UN's first major conference on environmental issues.
Stockholm Conference
Total Fertility Rate
Condensation
UN Conference on Population and Development
49. Populations characterized by small size - short lifespan - and lots of offspring.
R-Selected Populations
Air Pollution
Taiga
Mesosphere
50. An act which established and enforced acceptable levels of air pollution.
Eukaryotes
Shifting Agriculture
Agroforestry
Clean Air Act
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