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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 characterized by clearly differentiated seasons - such as the trees loosing leaves in the fall and heavy snowfall in the winter.
World Trade Organization
Economic Threshold
Deciduous Forest
Harmful Algal Bloom
2. Modern man.
Denitrification
Assimilation
Homo Sapiens
Hydrosphere
3. 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.
K-Selected Populations
Silent Spring
Competitive Exclusion
Wilderness Act
4. A type of farming where the farmer will grow crops both to fulfill his family's needs for the next year and to sell on the market.
Hetrotrophs
Intensive Subsistence Farming
Savannah
Clean Air Act
5. Consumers which eat only other animals.
Grasslands
Carnivores
Stratosphere
Subsurface flow
6. 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
Prokaryotes
Omnivores
Air Pollution
Vienna Convention for the Protection of the Ozone Layer
7. The southern-most continent - of which 98% is ice. This continent includes 70% of the world's fresh water - and 90% of the world's ice. Although the average temperature is -49
Grazers
Ecological Niche
Antarctica
Tundra
8. Plants taking in nitrates from the soil.
Ecology
Shifting Agriculture
Assimilation
Eutrophication
9. 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.
Eukaryotes
Omnivores
Insurance Spraying
Wildlife Management
10. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Producers
Transpiration
Tundra
Air Pollution
11. The process of a gas transforming into a liquid.
Environmental Protection Agency
Condensation
Transpiration
Superfund Law
12. Surface run-off caused by melted snow.
Snowmelt
Hydrosphere
Parasitism
Homo Habilis
13. A philosophy that extends ethics to non-humans. Under this system - animals - plants - and other aspects of the environment are seen as being deserving of justice and consideration.
Temperature Inversion
Environmental Ethics
Montreal Protocol
Insurance Spraying
14. Organisms which produce their own food.
Autotrophs
Environmental Protection Agency
Nitrogen Fixation
Community
15. The process of planting trees in between other crops.
Condensation
Advection
Alley Cropping
Environmental Ethics
16. A partially enclosed part of the ocean with rivers or streams flowing into it.
Estuary
Keystone Species
Intensive Subsistence Farming
Taiga
17. Animals which eat leaves and shoots.
Browsers
Troposphere
Nitrification
Symbiosis
18. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Shifting Agriculture
Surface Run-Off
Nitrous Oxide
Superfund Law
19. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Antarctica
Symbiosis
Mesosphere
Ecological Niche
20. 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.
Organism
Shifting Agriculture
Mesosphere
Turbidity
21. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Stockholm Conference
Aldo Leopold
UN Conference on Population and Development
Earth Summit
22. Grasslands with short - widely spaced trees and no canopy - allowing for an unbroken layer of grasses beneath.
Savannah
Non-government Organizations
Advection
Symbiosis
23. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Subsistence Farming
Grasslands
Nitrogen Fixation
Copiotrophs
24. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Insurance Spraying
Superfund Law
Polyculture
Safe Drinking Water Act
25. An international protocol designed to stabilize global warming.
Non-government Organizations
Kyoto Protocol
Troposphere
Autotrophs
26. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Organism
Taiga
Monoculture
Brackish Water
27. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Symbiosis
Stratosphere
Sublimation
Precipitation
28. Integrating rows of trees alongside crops to provide mulch and shade - retain water in the soil - and promote sustainable land use.
Homo Sapiens
Agroforestry
Interplanting
Troposphere
29. A group of similar organisms capable of interbreeding.
K-Selected Populations
Species
Condensation
Ecotone
30. All of the water found on earth.
Subsurface flow
Browsers
National Environmental Policy Act
Hydrosphere
31. The middle atmospheric layer. Meteors burn up after entering this layer.
Monoculture
Mesosphere
Intensive Subsistence Farming
Economic Threshold
32. Any living thing on earth.
Keystone Species
Surface Run-Off
Safe Drinking Water Act
Organism
33. Populations characterized by large size - long lifespan - and few offspring.
Subsurface flow
K-Selected Populations
Grasslands
Brackish Water
34. Average expected birth rate for 1 -000 women.
World Trade Organization
K-Selected Populations
Total Fertility Rate
Antarctica
35. Consumers which eat both plants and animals.
Trophic Level
Precipitation
Ammonification
Omnivores
36. An extinct hominid species believed to be the last common ancestor between man and apes.
Monoculture
Brackish Water
Sahelanthropus Tchadensis
Omnivores
37. A layer of gasses surrounding the earth.
Environmental Protection Agency
Atmosphere
Omnivores
Denitrification
38. The spraying of pesticides to keep produce from any injuries or damage.
Kyoto Protocol
Nitrous Oxide
Cosmetic Spraying
Indicator Species
39. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Oligotrophs
Producers
Atmosphere
Cosmetic Spraying
40. Political organizations not affiliated with the government which try to bring about social change.
Non-government Organizations
Cosmetic Spraying
Insurance Spraying
Indicator Species
41. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Toxic Substances Control Act
Temperate Rain Forest
Cosmetic Spraying
Water Pollution Control Act
42. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Toxic Substances Control Act
Sublimation
Deserts
Transpiration
43. 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.
Temperate Rain Forest
UN Conference on Population and Development
Stockholm Conference
Hydrologic Cycle
44. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Subsistence Farming
Temperate Rain Forest
Tropical Rain Forest
Oligotrophs
45. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Precipitation
Taiga
Nitrification
Acid Rain
46. A rainforest in the temperate zone which receives heavy rainfall.
Temperate Rain Forest
Savannah
Commensalism
Silent Spring
47. 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
Brackish Water
Prokaryotes
Producers
48. A community of species interacting with their nonliving (abiotic) environment.
Aldo Leopold
Hetrotrophs
Ecosystem
Estuary
49. Organisms which consume autotrophs for food.
Precipitation
Subsistence Farming
Hetrotrophs
Carbon Dioxide
50. The process of surface water entering the soil. This ensures that plants have adequate access to water.
Indicator Species
Sahelanthropus Tchadensis
Infiltration
Eukaryotes