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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. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Vienna Convention for the Protection of the Ozone Layer
Precipitation
Air Pollution
Deciduous Forest
2. A community of species interacting with their nonliving (abiotic) environment.
Evapotranspiration
Ecosystem
Thermosphere
Community
3. Modern man.
Homo Sapiens
Sublimation
Environmental Ethics
Monoculture
4. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.
Temperature Inversion
Prokaryotes
Carnivores
Ecological Niche
5. 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.
Prokaryotes
Autotrophs
Earth Summit
Biodiversity
6. Growing only one crop at a time.
Monoculture
Chaparral
Nitrification
Autotrophs
7. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Montreal Protocol
Keystone Species
Environmental Protection Agency
Environmental Ethics
8. Precipitation which does not reach the soil but is instead collected by plants.
Interception
Water Pollution Control Act
National Environmental Policy Act
Condensation
9. A group of similar organisms capable of interbreeding.
Oligotrophs
Species
Tropopause
Organism
10. A variety of species living together.
Prokaryotes
Community
National Environmental Policy Act
Monoculture
11. A type of symbiosis where one species benefit at the expense of the other.
Parasitism
K-Selected Populations
Gross Primary Product
Evapotranspiration
12. Consumers which eat both plants and animals.
Omnivores
R-Selected Populations
Ecology
Grasslands
13. The middle atmospheric layer. Meteors burn up after entering this layer.
Nitrous Oxide
Neanderthals
Mesosphere
Insurance Spraying
14. The oxification of ammonia by certain bacterium into nitrite and later into nitrates - which can then be used by plants.
Estuary
Nitrification
Gross Primary Product
Nitrous Oxide
15. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Subsistence Farming
Surface Run-Off
Agroforestry
Wilderness Act
16. The position of an organism on the food chain.
Monoculture
Condensation
Trophic Level
Interception
17. The uppermost atmospheric layer. Here satellites orbit the earth.
Tropical Rain Forest
Environmental Protection Agency
Exosphere
Silent Spring
18. Populations characterized by small size - short lifespan - and lots of offspring.
R-Selected Populations
Australopithecus Afarensis
Endangered Species Act
Browsers
19. Political organizations not affiliated with the government which try to bring about social change.
World Trade Organization
Non-government Organizations
Acid Rain
Toxic Substances Control Act
20. A UN conference that addressed the growing population problem.
Chaparral
Temperate Rain Forest
UN Conference on Population and Development
Exosphere
21. 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.
Water Pollution Control Act
Taiga
Interplanting
Parasitism
22. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Homo Sapiens
Grazers
Condensation
Surface Run-Off
23. An extinct hominid species believed to be the last common ancestor between man and apes.
Sahelanthropus Tchadensis
Savannah
Ecological Niche
Coniferous Forest
24. 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
Social Ecology
Thermosphere
Resource Partitioning
25. An international convention which created the framework for protecting the ozone layer.
Vienna Convention for the Protection of the Ozone Layer
Environmental Ethics
Intensive Subsistence Farming
Atmosphere
26. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
R-Selected Populations
Stratosphere
Snowmelt
Monoculture
27. The rate at which producers create organic material.
Alley Cropping
Evaporation
Water Pollution Control Act
Gross Primary Product
28. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Deserts
Eutrophication
Grasslands
Homo Habilis
29. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Total Fertility Rate
Wilderness Act
Safe Drinking Water Act
Nitrogen Fixation
30. An influential book by Rachel Carson which helped begin the environmental movement.
Eukaryotes
Deciduous Forest
Competitive Exclusion
Silent Spring
31. The flow of water in the water table.
Insurance Spraying
Subsurface flow
Aldo Leopold
Community
32. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Polyculture
Sublimation
Wildlife Management
Surface Run-Off
33. The coexistence of two species using the same resource where the two will use the resource in different ways.
Resource Partitioning
Thermosphere
Aldo Leopold
Intensive Subsistence Farming
34. All of the ecosystems on earth.
Total Fertility Rate
Cosmetic Spraying
Shifting Agriculture
Biosphere
35. A layer of gasses surrounding the earth.
Atmosphere
Ecotone
Snowmelt
Troposphere
36. 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.
Biodiversity
Environmental Ethics
Wildlife Management
Oligotrophs
37. 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.
Shifting Agriculture
Coniferous Forest
Homo Habilis
Thermosphere
38. The process of planting different plant species right next to each other to maximize one's yield.
Interplanting
Homo Erectus
Ecology
National Environmental Policy Act
39. Consumers which eat only other animals.
Wilderness Act
Coevolution
Browsers
Carnivores
40. Grasslands with short - widely spaced trees and no canopy - allowing for an unbroken layer of grasses beneath.
Savannah
Insurance Spraying
Copiotrophs
Denitrification
41. Surface run-off caused by melted snow.
Advection
Biomes
Snowmelt
World Trade Organization
42. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Indicator Species
Troposphere
Tropopause
Exosphere
43. 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
Ecology
Species
Environmental Ethics
44. 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.
Lithosphere
Homo Erectus
Precipitation
Environmental Protection Agency
45. The loss of water vapor from leaves.
Sahelanthropus Tchadensis
Transpiration
Total Fertility Rate
Subsistence Farming
46. Average expected birth rate for 1 -000 women.
Subsistence Farming
Total Fertility Rate
Temperate Rain Forest
Eutrophication
47. The cloudiness of a liquid due to small suspended particles.
Turbidity
Symbiosis
Temperate Rain Forest
Brackish Water
48. 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.
Air Pollution
Condensation
Intensive Subsistence Farming
Exosphere
49. The rapid increase of harmful algae in a body of water.
Safe Drinking Water Act
Tropopause
Trophic Level
Harmful Algal Bloom
50. A greenhouse gas which also plays a key role in regulating ozone levels.
Mesosphere
Nitrous Oxide
Grasslands
K-Selected Populations