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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. An act which required the EPA to set standards for drinking water.
Coniferous Forest
Surface Run-Off
Safe Drinking Water Act
Taiga
2. The rate at which producers create organic material.
Omnivores
Intensive Subsistence Farming
Chaparral
Gross Primary Product
3. A type of symbiosis where one species will benefit while the other will be neither benefit or be harmed.
Biogeochemical Cycle
Commensalism
Superfund Law
Shifting Agriculture
4. The process by which a new species is created. This process generally requires geographic isolation to prevent interbreeding between the newly emerging species and the parent species.
Aldo Leopold
Homo Erectus
Speciation
Vienna Convention for the Protection of the Ozone Layer
5. 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.
Mutualism
Savannah
Australopithecus Afarensis
Shifting Agriculture
6. An international protocol designed to protect the ozone layer by phasing out the production of CFCs and other harmful chemicals.
Montreal Protocol
Safe Drinking Water Act
Producers
Denitrification
7. Average expected birth rate for 1 -000 women.
Precipitation
Copiotrophs
Gross Primary Product
Total Fertility Rate
8. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.
Ammonification
Competitive Exclusion
Environmental Ethics
Water Pollution Control Act
9. Evolution in one organism due to change in a related organism.
Trophic Level
Hydrologic Cycle
Mesosphere
Coevolution
10. The process of planting trees in between other crops.
Carnivores
Ecology
Alley Cropping
Hydrologic Cycle
11. Organisms with a nucleus.
Eukaryotes
Economic Threshold
Deserts
Speciation
12. A community of species interacting with their nonliving (abiotic) environment.
Condensation
Ecosystem
Detrivores
Grasslands
13. The amount of pests needed before spraying pesticides is economical.
Toxic Substances Control Act
Insurance Spraying
Economic Threshold
Subsurface flow
14. The cycling and reusing of elements and molecules (such as water - nitrogen - and phosphorus) that are essential to life.
Mesosphere
Browsers
Biogeochemical Cycle
Consumers
15. An act which called for the careful examination of new chemicals to ensure they are safe for their intended uses.
Troposphere
Environmental Protection Agency
Toxic Substances Control Act
Parasitism
16. 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.
Stratosphere
Competitive Exclusion
Nitrogen Fixation
Consumers
17. A type of symbiosis where each species will benefit from interacting with the other.
Detrivores
Producers
Mutualism
Resource Partitioning
18. Animals which eat leaves and shoots.
Infiltration
Tundra
Browsers
Silent Spring
19. Animals which eat grass and roots.
Grazers
Nitrogen Fixation
Shifting Agriculture
Non-government Organizations
20. An international convention which created the framework for protecting the ozone layer.
Vienna Convention for the Protection of the Ozone Layer
Methane
Homo Sapiens
Indicator Species
21. Precipitation which does not reach the soil but is instead collected by plants.
Snowmelt
Interception
Evaporation
Environmental Ethics
22. 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.
Harmful Algal Bloom
Estuary
Homo Sapiens
Hydrologic Cycle
23. The coexistence of two species using the same resource where the two will use the resource in different ways.
Grasslands
Resource Partitioning
Denitrification
Insurance Spraying
24. A partially enclosed part of the ocean with rivers or streams flowing into it.
Environmental Protection Agency
Lithosphere
Temperate Rain Forest
Estuary
25. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.
Infiltration
Homo Habilis
Ozone
Coevolution
26. Organisms which thrive in low nutrient environments and usually have slow growth rates.
Carnivores
Savannah
Oligotrophs
Total Fertility Rate
27. The area between the troposphere and the stratosphere. Here the temperature reverses from decreasing to increasing with altitude.
Taiga
R-Selected Populations
Tropopause
Trophic Level
28. The process of planting different plant species right next to each other to maximize one's yield.
Ozone
Eutrophication
Ecology
Interplanting
29. Populations characterized by small size - short lifespan - and lots of offspring.
Hydrosphere
R-Selected Populations
Chaparral
Tropical Rain Forest
30. The crust and upper mantle of the earth.
Lithosphere
Hetrotrophs
Methane
Harmful Algal Bloom
31. Excess water which cannot be infiltrated into the soil and instead flows along the ground.
Gross Primary Product
Biogeochemical Cycle
Vienna Convention for the Protection of the Ozone Layer
Surface Run-Off
32. 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.
Producers
Ecological Niche
Coniferous Forest
Snowmelt
33. An act which established and enforced acceptable levels of air pollution.
Clean Air Act
Copiotrophs
Prokaryotes
Harmful Algal Bloom
34. 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.
Savannah
Trophic Level
Browsers
Intensive Subsistence Farming
35. An American environmentalist who is famous for promoting the ideas of environmental ethics and wildlife management.
Interception
Commensalism
Aldo Leopold
Stratosphere
36. Consumers which eat both plants and animals.
Tundra
Competitive Exclusion
Eukaryotes
Omnivores
37. An act created to protect endangered and threatened species.
Endangered Species Act
Monoculture
Deciduous Forest
Social Ecology
38. The process of a gas transforming into a liquid.
Homo Habilis
Wilderness Act
Condensation
Snowmelt
39. The study of the interaction between organisms and their environment.
Homo Sapiens
Ecology
Thermosphere
Parasitism
40. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.
Keystone Species
Nitrogen Fixation
Nitrous Oxide
Homo Sapiens
41. 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.
Water Pollution Control Act
Symbiosis
Population
Homo Erectus
42. An act which protects certain lands as national parks.
Wilderness Act
Cosmetic Spraying
Deciduous Forest
Atmosphere
43. 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.
Deserts
Troposphere
Stockholm Conference
Community
44. Single-celled organisms which lack a nucleus.
Tundra
Harmful Algal Bloom
Prokaryotes
Shifting Agriculture
45. Condensed water vapor which falls to earth. This comes in many forms - such as rain - snow - ice - and hail.
Air Pollution
Tropopause
Precipitation
National Environmental Policy Act
46. 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
Infiltration
Omnivores
Antarctica
Tundra
47. An extinct hominid species believed to be the last common ancestor between man and apes.
Shifting Agriculture
Sahelanthropus Tchadensis
UN Conference on Population and Development
Ammonification
48. The second atmospheric layer. The ozone layer is found here - increasing the temperature with altitude.
Stratosphere
Ammonification
Hydrosphere
Parasitism
49. A theory that our current ecological problems are a product of deeper social problems.
Keystone Species
Non-government Organizations
Social Ecology
Speciation
50. A type of farming where the farmer will grow just enough crops to satisfy his family's needs for the next year.
Kyoto Protocol
Nitrous Oxide
Subsistence Farming
Earth Summit