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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. The process of planting different plant species right next to each other to maximize one's yield.
Interplanting
K-Selected Populations
Neanderthals
Environmental Protection Agency
2. Different species living in close contact with each other.
Symbiosis
Taiga
Gross Primary Product
Snowmelt
3. 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
Atmosphere
Eutrophication
Air Pollution
Antarctica
4. The area between the troposphere and the stratosphere. Here the temperature reverses from decreasing to increasing with altitude.
Ecotone
Tropopause
Safe Drinking Water Act
Temperate Rain Forest
5. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Nitrification
Water Pollution Control Act
Australopithecus Afarensis
Browsers
6. The study of the interaction between organisms and their environment.
Savannah
Ecology
Detrivores
Thermosphere
7. Animals which eat grass and roots.
Estuary
Grazers
Atmosphere
K-Selected Populations
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.
Wildlife Management
Biomes
Cosmetic Spraying
Evaporation
9. An international convention which created the framework for protecting the ozone layer.
Carbon Dioxide
Vienna Convention for the Protection of the Ozone Layer
R-Selected Populations
Air Pollution
10. An act which set standards for the amount of pollution in water.
Earth Summit
Homo Erectus
Water Pollution Control Act
Subsurface flow
11. Areas with only enough rainfall for grasses to grow. As a result - most animals are grazers - such as buffalo.
K-Selected Populations
Grasslands
Speciation
Advection
12. 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.
Antarctica
Temperate Rain Forest
Eutrophication
Parasitism
13. A community of similar living organisms largely affected by the area's climate.
Biomes
Harmful Algal Bloom
Oligotrophs
Grasslands
14. Consumers which eat both plants and animals.
Alley Cropping
Non-government Organizations
Omnivores
Copiotrophs
15. The spraying of pesticides to keep produce from any injuries or damage.
Ecotone
World Trade Organization
Cosmetic Spraying
Agroforestry
16. Growing only one crop at a time.
Monoculture
Gross Primary Product
Ecotone
Troposphere
17. 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.
Nitrogen Fixation
Ozone
Hydrosphere
Antarctica
18. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Sublimation
Indicator Species
Surface Run-Off
Biomes
19. Organisms which eat other organisms.
Consumers
Subsurface flow
Oligotrophs
Hydrosphere
20. The rate at which producers create organic material.
Oligotrophs
Tropical Rain Forest
Gross Primary Product
Population
21. A greenhouse gas which also plays a key role in regulating ozone levels.
Community
Nitrous Oxide
National Environmental Policy Act
Evapotranspiration
22. An act requiring federal agencies to detail the impact of proposed environmental policies.
Environmental Protection Agency
Symbiosis
Biosphere
National Environmental Policy Act
23. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Ammonification
Indicator Species
Monoculture
Carbon Dioxide
24. 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
Ozone
Neanderthals
Mesosphere
25. Political organizations not affiliated with the government which try to bring about social change.
Non-government Organizations
Organism
Denitrification
Copiotrophs
26. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Homo Habilis
Subsurface flow
Economic Threshold
Montreal Protocol
27. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Population
World Trade Organization
Acid Rain
Homo Habilis
28. A UN conference that addressed the growing population problem.
Copiotrophs
Harmful Algal Bloom
UN Conference on Population and Development
Stratosphere
29. The amount of pests needed before spraying pesticides is economical.
R-Selected Populations
Economic Threshold
Chaparral
Exosphere
30. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.
Organism
Acid Rain
Temperature Inversion
Lithosphere
31. Growing more than one crop at a time.
Polyculture
UN Conference on Population and Development
Ammonification
Infiltration
32. An influential book by Rachel Carson which helped begin the environmental movement.
Cosmetic Spraying
Thermosphere
Biodiversity
Silent Spring
33. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
UN Conference on Population and Development
Grasslands
Superfund Law
Neanderthals
34. Surface run-off caused by melted snow.
Carnivores
Denitrification
Alley Cropping
Snowmelt
35. A layer of gasses surrounding the earth.
Superfund Law
Atmosphere
Taiga
Organism
36. Animals which eat leaves and shoots.
Commensalism
Carbon Dioxide
Grazers
Browsers
37. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Tropopause
Sublimation
Total Fertility Rate
Methane
38. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Copiotrophs
Biogeochemical Cycle
Toxic Substances Control Act
Savannah
39. Single-celled organisms which lack a nucleus.
Condensation
Community
Thermosphere
Prokaryotes
40. The process of planting trees in between other crops.
Alley Cropping
Stockholm Conference
Insurance Spraying
K-Selected Populations
41. Average expected birth rate for 1 -000 women.
Total Fertility Rate
Insurance Spraying
Temperature Inversion
Ecological Niche
42. 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
Condensation
Evaporation
Estuary
43. The rapid increase of harmful algae in a body of water.
Snowmelt
Harmful Algal Bloom
Sahelanthropus Tchadensis
Population
44. The uppermost atmospheric layer. Here satellites orbit the earth.
Eukaryotes
Exosphere
Carbon Dioxide
Deserts
45. 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.
Competitive Exclusion
Producers
Shifting Agriculture
Evapotranspiration
46. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Lithosphere
Nitrogen Fixation
Clean Air Act
Acid Rain
47. A type of symbiosis where each species will benefit from interacting with the other.
Safe Drinking Water Act
Advection
Stockholm Conference
Mutualism
48. An act which required the EPA to set standards for drinking water.
Thermosphere
Safe Drinking Water Act
Stockholm Conference
Eukaryotes
49. 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
Ecology
Coniferous Forest
Subsurface flow
50. 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.
Lithosphere
Biodiversity
Precipitation
Kyoto Protocol