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Test your basic knowledge |
DSST Environmental Science - 2
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 example of a method for managing whole ecosystems and habitats
mapping biodiversity hotspots
extirpation
resource management
give an example of a social hazard that cannot be easily controlled
2. Rising sea level
immigration
biggest danger posed by global warming to people living in coastal areas
harvested sustainability is a renewable source IF
biodiversity
3. The most direct way in which biodiverstiy can provide a source of income
renewable resource
habitat fragment
ecotourism
genetic diversity
4. The form of transportation that uses the most energy per passenger mile
name examples of land cover
automobile
niche
lead
5. An organism that breaks down wastes and dead organisms
competition
carbon footprint
decomposer
adaptation
6. An organism that is killed and eaten by another organism
parasitism
prey
Earth's fresh water is used mostly for
teratogens
7. A natural pattern in which species diversity generally increases toward the equator
prescribed burns
latitudinal gradient
carrying capacity
lead
8. A species in danger of becoming extinct in the near future
sustainable cities can
If Earth did not have an atmosphere
endangered
prey
9. Concentrations of toxicants can be greatly multiplied with each step up the food chain
urban area
lead
biomagnification
rural area
10. The largest population that an area can support
ecosystem diversity
risk assessment
carrying capacity
habitat
11. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
poaching
species
secondary succession
name a human activity that contributes the most carbon dioxide to the atmosphere
12. Illegal killing or removal of wildlife from their habitats
name a human activity that contributes the most carbon dioxide to the atmosphere
poaching
secondary succession
the ocean's absorption of carbon dioxide ...
13. Building up not out
A principal of smart growth
prescribed burns
Scientists determine current climate conditions by
habitat fragmentation
14. The most effective way of preserving biodiversity by protecting whole ecosystems
habitat preservation
mutualism
wildlife corridor
deforestation
15. The breaking of a habitat into smaller - isolated pieces
keystone species
renewable resource
A principal of smart growth
habitat fragmentation
16. Viruses - bacteria and other organisms in the environment that harm human health
an action that can reduce the greenhouse gas emissions caused by driving
biological hazards
mutualism
planting of new trees help reduce climate change by
17. The amount of carbon dioxide emissions for which an individual or group is responsible
commensalism
toxicant
carbon footprint
A principal of smart growth
18. Anything in the environment that is used by people is called a natural resource
decomposer
resource
mapping biodiversity hotspots
economic value of forests
19. The highest level of biodiversity
high levels of biodiversity
urbanization
give an example of a social hazard that cannot be easily controlled
ecosystem diversity
20. A species that influences the survival of many others in an ecosystem
keystone species
Smokey the Bear's message
ecology
ecotourism
21. Process of measuring the chance that an environmental hazard will cause harm
threatened
risk assessment
endangered species
omnivore
22. This draws people from urban areas to rural areas
food web
toxicant
automobile
open space
23. Chemicals that causes harm to embryos and fetuses
parasitism
prescribed fires
teratogens
niche
24. A relationship between two species in which one species benefits and the other is neither helped nor harmed
an action that can reduce the greenhouse gas emissions caused by driving
commensalism
products derived from the natural environment
global warming
25. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
latitudinal gradient
decomposer
captive breeding
species
26. Businesses are arranged in a long row along a roadway - with no main community
fire suppression
species diversity
renewable sources
uncentered commercial strip development
27. Habitat change and fragmentation
biggest cause of biodiversity loss
habitat preservation
sustainable cities can
carnivore
28. A natural resource that is not replaced in a useful time frame
carcinogens
Species Survival Plans (SSPs) goals
nonrenewable resource
parasitism
29. Provide wood
emerging disease
renewable sources
economic value of forests
predator
30. Loud noises in the air like jack hammers - loud car stereos - etc...
noise polution
environmental science
population
ecosystem diversity
31. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
wildlife corridor
give an example of a social hazard that cannot be easily controlled
risk assessment
high levels of biodiversity
32. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
biggest danger posed by global warming to people living in coastal areas
habitat fragment
selective cutting
risk
33. Soil - fresh water - wild animals - and timber
habitat fragmentation
nitrogen fixation
renewable sources
harvested sustainability is a renewable source IF
34. Any substance that poses a chemical hazard
environmental science
urban area
carnivore
toxicant
35. Taking in carbon dioxide from the atmosphere during photosynthesis
fire suppression
extirpation
planting of new trees help reduce climate change by
species diversity
36. Causes a cooling effect
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37. Making direct measurements
teratogens
carnivore
Scientists determine current climate conditions by
per capita land consumption
38. The process of cutting down only some trees in an area
selective cutting
parasitism
niche
pollution
39. Chemical hazard that was once found in paint - young children are frequently tested for this
threatened
deforestation
lead
automobile
40. An area with a large population of valuable ocean organisms
mutualism
harvested sustainability is a renewable source IF
fishery
uncentered commercial strip development
41. The study of how living things interact with each other and their environment
renewable resource
ecology
risk
captive breeding programs
42. Chemicals that cause cancer
carcinogens
ecosystem diversity
mutualism
carnivore
43. The struggle between organisms to survive as they attempt to use the same limited resource
name examples of infrastructure
symbiosis
endangered species
competition
44. A resource that is either always available or is naturally replaced in a relatively short time
renewable resource
prescribed burns
habitat fragmentation
competition
45. The disappearance of all members of a species from Earth
name examples of infrastructure
extinction
biggest cause of biodiversity loss
per capita land consumption
46. Manage - protect and reintroduce threatened and endangered species
Species Survival Plans (SSPs) goals
biggest danger posed by global warming to people living in coastal areas
mapping biodiversity hotspots
scavenger
47. The process of changing free nitrogen gas into a usable form
ecosystem diversity
poaching
carbon footprint
nitrogen fixation
48. Trees - grass - crops - wetlands - water - building and pavements
decomposer
name examples of land cover
ecology
sustainable cities can
49. A carnivore that feeds on the bodies of dead organisms
scavenger
uncentered commercial strip development
nonrenewable resource
latitudinal gradient
50. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world
teratogens
habitat
emerging disease
latitudinal gradient