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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 found in temperate regions with warm summers - cool winters - and plenty of rainfall. These kinds of forests are characterized by evergreens and deciduous trees.
Alley Cropping
Homo Sapiens
Competitive Exclusion
Coniferous Forest
2. The process of a substance passing directly from the solid phase to the gaseous phase - and vice versa.
Homo Erectus
Sublimation
Hydrologic Cycle
Kyoto Protocol
3. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Montreal Protocol
Autotrophs
Thermosphere
Tropopause
4. 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.
Aldo Leopold
Toxic Substances Control Act
Competitive Exclusion
Mutualism
5. An act requiring federal agencies to detail the impact of proposed environmental policies.
Monoculture
National Environmental Policy Act
Neanderthals
Tundra
6. A UN conference that addressed the growing population problem.
Earth Summit
UN Conference on Population and Development
Stockholm Conference
Lithosphere
7. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.
Indicator Species
Safe Drinking Water Act
Ammonification
Eutrophication
8. The process of planting different plant species right next to each other to maximize one's yield.
Ecotone
Exosphere
Silent Spring
Interplanting
9. A rainforest in the temperate zone which receives heavy rainfall.
Superfund Law
Harmful Algal Bloom
Agroforestry
Temperate Rain Forest
10. 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.
Intensive Subsistence Farming
Resource Partitioning
Ozone
Nitrous Oxide
11. A theory that our current ecological problems are a product of deeper social problems.
Social Ecology
Parasitism
Mesosphere
Nitrification
12. 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
Sahelanthropus Tchadensis
Antarctica
Grasslands
Speciation
13. Evolution in one organism due to change in a related organism.
Methane
Species
Atmosphere
Coevolution
14. Precipitation which does not reach the soil but is instead collected by plants.
Clean Air Act
Interception
Total Fertility Rate
Mesosphere
15. The first atmospheric layer. Most weather and pollution occurs here - and the temperature decreases with altitude.
Troposphere
Precipitation
Omnivores
Montreal Protocol
16. An act created to protect endangered and threatened species.
Interception
Endangered Species Act
Chaparral
Deserts
17. A transitional area between two different ecosystems.
Prokaryotes
Ecotone
Estuary
Sublimation
18. Different species living in close contact with each other.
Symbiosis
Alley Cropping
Total Fertility Rate
R-Selected Populations
19. Political organizations not affiliated with the government which try to bring about social change.
Water Pollution Control Act
Kyoto Protocol
Air Pollution
Non-government Organizations
20. A type of symbiosis where each species will benefit from interacting with the other.
Mutualism
Homo Sapiens
Species
Carbon Dioxide
21. The rapid increase of harmful algae in a body of water.
Symbiosis
Tropical Rain Forest
Agroforestry
Harmful Algal Bloom
22. Consumers which eat decomposing organic material.
Surface Run-Off
Omnivores
Carbon Dioxide
Detrivores
23. The biggest atmospheric layer. Without ozone - UV radiation causes ionization and the auroras in this layer.
Savannah
Thermosphere
Mutualism
Tropopause
24. An extinct hominid species believed to exhibit the first example of full-time bipedalism.
Population
Grasslands
Australopithecus Afarensis
Water Pollution Control Act
25. All of the water found on earth.
Keystone Species
Detrivores
Savannah
Hydrosphere
26. An act which established and enforced acceptable levels of air pollution.
Savannah
Browsers
Clean Air Act
Transpiration
27. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Kyoto Protocol
Commensalism
Australopithecus Afarensis
Lithosphere
28. 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.
Homo Sapiens
Total Fertility Rate
Condensation
Environmental Ethics
29. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.
Subsistence Farming
Hydrosphere
Sahelanthropus Tchadensis
Tundra
30. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.
Indicator Species
Grasslands
Copiotrophs
Eutrophication
31. A law designed to locate toxic waste sites - gauge their pollution level - and ensure these sites are taken care of properly.
Harmful Algal Bloom
Stockholm Conference
Water Pollution Control Act
Superfund Law
32. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Biogeochemical Cycle
Monoculture
Tropical Rain Forest
Homo Erectus
33. Plants taking in nitrates from the soil.
Ammonification
Assimilation
Infiltration
Homo Sapiens
34. Average expected birth rate for 1 -000 women.
Ozone
Total Fertility Rate
Exosphere
Hydrologic Cycle
35. An influential book by Rachel Carson which helped begin the environmental movement.
Organism
Turbidity
Silent Spring
Homo Habilis
36. Species which serve key roles in an ecosystem. The absence of these important organisms is detrimental to the surrounding area.
Keystone Species
Eutrophication
Superfund Law
Clean Air Act
37. Grasslands with short - widely spaced trees and no canopy - allowing for an unbroken layer of grasses beneath.
Savannah
Coevolution
Silent Spring
Polyculture
38. The rate at which producers create organic material.
Indicator Species
Deserts
Condensation
Gross Primary Product
39. Organisms which consume autotrophs for food.
Temperate Rain Forest
Acid Rain
Hetrotrophs
Carnivores
40. An extinct hominid species believed to have the same brain capacity as modern man and use many different weapons.
Temperate Rain Forest
Neanderthals
Non-government Organizations
Biomes
41. Water found in estuaries. This water is a mixture of saltine ocean water and fresh water - usually from a river or stream.
Brackish Water
Community
Copiotrophs
Economic Threshold
42. An act which required the EPA to set standards for drinking water.
Environmental Ethics
Grasslands
Carbon Dioxide
Safe Drinking Water Act
43. The spraying of pesticides to keep produce from any injuries or damage.
Community
Cosmetic Spraying
Total Fertility Rate
Intensive Subsistence Farming
44. A forest near the equator with heavy rainfall and a great diversity of plant and animal life. Although a mere 2% of the earth is covered with these forests - they contain 50-80% of earth's land species.
Mesosphere
Tropical Rain Forest
Ozone
Exosphere
45. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
K-Selected Populations
Toxic Substances Control Act
Taiga
Intensive Subsistence Farming
46. Populations characterized by small size - short lifespan - and lots of offspring.
R-Selected Populations
Environmental Ethics
Ecological Niche
National Environmental Policy Act
47. A partially enclosed part of the ocean with rivers or streams flowing into it.
Neanderthals
National Environmental Policy Act
Estuary
Evaporation
48. 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.
Community
Deserts
Insurance Spraying
Temperature Inversion
49. 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.
Nitrous Oxide
Nitrification
Browsers
Intensive Subsistence Farming
50. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Evaporation
Brackish Water
Biomes
Surface Run-Off