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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. Land that is sparsely populated and has few buildings or roads
rural area
prescribed fires
emigration
habitat preservation
2. Bumps on the roots of certain plants
name examples of infrastructure
nodules
mapping biodiversity hotspots
Smokey the Bear's message
3. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity
debt-for-nature swap
scavenger
urbanization
an action that can reduce the greenhouse gas emissions caused by driving
4. A species in danger of becoming extinct in the near future
biological hazards
fishery
sustainable yield
endangered
5. A living part of an organism's habitat
risk assessment
population
biotic factor
sustainable cities can
6. An organism that obtains energy by feeding on the other organisms
consumer
clear-cutting
warming temperatures
sustainable yield
7. A consumer that eats both plants and animals
omnivore
consumer
uncentered commercial strip development
habitat fragment
8. A relationship between two species in which one species benefits and the other is neither helped nor harmed
commensalism
rural area
mapping biodiversity hotspots
deforestation
9. An organism that breaks down wastes and dead organisms
name examples of land cover
decomposer
prey
extinction
10. A consumer that eats only animals
give an example of a social hazard that cannot be easily controlled
parasitism
carnivore
name a human activity that contributes the most carbon dioxide to the atmosphere
11. The process of changing free nitrogen gas into a usable form
environmental science
abiotic factor
predator
nitrogen fixation
12. Concentrations of toxicants can be greatly multiplied with each step up the food chain
give an example of a social hazard that cannot be easily controlled
biomagnification
factors that cause different people to respond differently to environmental hazards
uncentered commercial strip development
13. The study of how living things interact with each other and their environment
environmental science
secondary succession
ecology
latitudinal gradient
14. Fires that are set by humans
prescribed fires
Species Survival Plans (SSPs) goals
renewable resource
nodules
15. A behavior or physical characteristic that allows an organism to live successfully in its environment
global warming
habitat preservation
sustainable yield
adaptation
16. Chemicals that causes harm to embryos and fetuses
teratogens
species
immigration
lead
17. Are carefully controlled
prescribed burns
extirpation
global warming
fire suppression
18. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
mapping biodiversity hotspots
secondary succession
mutualism
omnivore
19. The loss of a natural habitat
keystone species
ecosystem diversity
species
habitat destruction
20. A series of events in which one organism eats another and obtains energy
carbon footprint
food chain
biggest cause of biodiversity loss
ecosystem diversity
21. Help improve the standard of living for residents
sustainable cities can
clear-cutting
A principal of smart growth
Scientists determine current climate conditions by
22. The organism that does the killing in a predation interaction
renewable resource
biome
predator
deforestation
23. The number of different species in an area
biodiversity
food chain
wildlife corridor
omnivore
24. A carnivore that feeds on the bodies of dead organisms
scavenger
wildlife corridor
urban area
carbon footprint
25. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
species
planting of new trees help reduce climate change by
keystone species
resource management
26. A natural resource that is not replaced in a useful time frame
Smokey the Bear's message
nonrenewable resource
extinction
wildlife corridor
27. A relationship between two species in which both species benefit
ecotourism
species
mutualism
renewable sources
28. Energy from the sun would be reflected back into space
If Earth did not have an atmosphere
carbon footprint
high levels of biodiversity
Earth's fresh water is used mostly for
29. The probability that a hazard will cause a harmful response
ecotourism
how does sprawl increase carbon dioxide emissions
risk
conservation
30. The form of transportation that uses the most energy per passenger mile
ecotourism
secondary succession
resource management
automobile
31. Increase the stability of an ecosystem
high levels of biodiversity
emigration
ecosystem diversity
species
32. The highest level of biodiversity
population
prescribed fires
ecosystem diversity
vector
33. Cooking oil - fuel - and medicines
carcinogens
products derived from the natural environment
uncentered commercial strip development
automobile
34. The mating of animals in zoos or wildlife preserves
secondary succession
scavenger
food chain
captive breeding
35. Amount of land each person uses
name examples of land cover
food web
per capita land consumption
toxicant
36. Habitat change and fragmentation
biggest cause of biodiversity loss
automobile
threatened
risk assessment
37. A nonliving part of an organism's habitat
abiotic factor
nodules
captive breeding
how does sprawl increase carbon dioxide emissions
38. The struggle between organisms to survive as they attempt to use the same limited resource
epidemiology
decomposer
poaching
competition
39. The clearing of a forest and replacing it with another land use
habitat fragment
niche
deforestation
nitrogen fixation
40. The most effective way of preserving biodiversity by protecting whole ecosystems
an action that can reduce the greenhouse gas emissions caused by driving
habitat preservation
habitat fragmentation
fire suppression
41. Making direct measurements
immigration
captive breeding programs
emigration
Scientists determine current climate conditions by
42. Anything in the environment that is used by people is called a natural resource
Species Survival Plans (SSPs) goals
resource
biotic factor
factors that cause different people to respond differently to environmental hazards
43. Manage - protect and reintroduce threatened and endangered species
urban area
habitat fragmentation
Species Survival Plans (SSPs) goals
conservation
44. One way zoos and aquariums help increase wildlife populations
parasitism
captive breeding programs
herbivore
name examples of land cover
45. The breaking of a habitat into smaller - isolated pieces
wildlife corridor
herbivore
high levels of biodiversity
habitat fragmentation
46. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
biggest cause of biodiversity loss
species diversity
carrying capacity
wildlife corridor
47. An amount of a renewable resource that can be harvested regularly without reducing the future supply
warming temperatures
vector
sustainable yield
nonrenewable resource
48. Soil - fresh water - wild animals - and timber
Earth's fresh water is used mostly for
biodiversity
renewable sources
insects
49. Have a greater sensitivity to environmental hazards than any other group
biomagnification
emigration
captive breeding
infants
50. Refers to an increase in Earth's average surface temperature
conservation
global warming
give an example of a social hazard that cannot be easily controlled
epidemiology