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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. Increase the stability of an ecosystem
biological hazards
carcinogens
insects
high levels of biodiversity
2. The probability that a hazard will cause a harmful response
give an example of a social hazard that cannot be easily controlled
species
risk
sustainable cities can
3. The clearing of a forest and replacing it with another land use
poaching
deforestation
habitat fragmentation
nitrogen fixation
4. The process of cutting down only some trees in an area
biome
selective cutting
open space
competition
5. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
pathogen
habitat fragment
wildlife corridor
carcinogens
6. Soil - fresh water - wild animals - and timber
renewable sources
species diversity
habitat preservation
mapping biodiversity hotspots
7. A species in danger of becoming extinct in the near future
immigration
endangered
fishery
species
8. Have a greater sensitivity to environmental hazards than any other group
infants
nitrogen fixation
renewable resource
habitat fragment
9. Are carefully controlled
wildlife corridor
high levels of biodiversity
prescribed burns
sustainable yield
10. Pollution from a factory near your school
give an example of a social hazard that cannot be easily controlled
population
infants
warming temperatures
11. Help improve the standard of living for residents
emigration
fire suppression
open space
sustainable cities can
12. Taking in carbon dioxide from the atmosphere during photosynthesis
lead
planting of new trees help reduce climate change by
herbivore
automobile
13. An amount of a renewable resource that can be harvested regularly without reducing the future supply
renewable resource
ecotourism
habitat
sustainable yield
14. Loud noises in the air like jack hammers - loud car stereos - etc...
symbiosis
biotic factor
insects
noise polution
15. Any substance that poses a chemical hazard
ecotourism
global warming
A principal of smart growth
toxicant
16. An organism that is killed and eaten by another organism
nonrenewable resource
overfishing
prey
name a human activity that contributes the most carbon dioxide to the atmosphere
17. The most direct way in which biodiverstiy can provide a source of income
ecotourism
habitat fragmentation
biomagnification
exotic species
18. The series of changes that occur in an area where no soil or organisms exist
commensalism
Earth's fresh water is used mostly for
pathogen
primary succession
19. Land that is sparsely populated and has few buildings or roads
rural area
prescribed burns
population
biodiversity
20. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
secondary succession
exotic species
If Earth did not have an atmosphere
renewable resource
21. A relationship in which one organism lives on or in a host and harms it
endangered species
carbon footprint
immigration
parasitism
22. A natural pattern in which species diversity generally increases toward the equator
latitudinal gradient
teratogens
emerging disease
sustainable cities can
23. Using public transportation
global warming
an action that can reduce the greenhouse gas emissions caused by driving
abiotic factor
nonrenewable resource
24. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity
debt-for-nature swap
name a human activity that contributes the most carbon dioxide to the atmosphere
herbivore
habitat
25. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates
secondary succession
genetic diversity
adaptation
producer
26. Species that are carried to a new location by people
urbanization
renewable sources
abiotic factor
exotic species
27. A form of decision-making concerned with the allocation and conservation of natural resources
per capita land consumption
fishery
resource management
primary succession
28. Watering crops
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29. A relationship between two species in which one species benefits and the other is neither helped nor harmed
deforestation
fishery
commensalism
threatened
30. The study of how living things interact with each other and their environment
poaching
conservation
habitat fragmentation
ecology
31. A virus or bacterium (organisms) that cause infectious diseases
pathogen
biotic factor
biggest cause of biodiversity loss
fishery
32. Can result in a decrease of property damage
fire suppression
biggest danger posed by global warming to people living in coastal areas
prescribed fires
Scientists determine current climate conditions by
33. Deals with biological hazards
pollution
epidemiology
If Earth did not have an atmosphere
the ocean's absorption of carbon dioxide ...
34. Building up not out
nitrogen fixation
threatened
open space
A principal of smart growth
35. The amount of carbon dioxide emissions for which an individual or group is responsible
overfishing
habitat fragmentation
decomposer
carbon footprint
36. A carnivore that feeds on the bodies of dead organisms
factors that cause different people to respond differently to environmental hazards
habitat destruction
scavenger
carnivore
37. An organism that obtains energy by feeding on the other organisms
consumer
deforestation
threatened
biggest danger posed by global warming to people living in coastal areas
38. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude
food web
rural area
teratogens
warming temperatures
39. The most effective way of preserving biodiversity by protecting whole ecosystems
resource
teratogens
habitat preservation
ecotourism
40. Chemicals that cause cancer
food chain
carcinogens
emerging disease
If Earth did not have an atmosphere
41. Businesses are arranged in a long row along a roadway - with no main community
noise polution
uncentered commercial strip development
immigration
harvested sustainability is a renewable source IF
42. A relationship between two species in which both species benefit
consumer
conservation
mutualism
species diversity
43. Amount of land each person uses
If Earth did not have an atmosphere
per capita land consumption
keystone species
insects
44. Sex - weight - and health issues
fire suppression
deforestation
factors that cause different people to respond differently to environmental hazards
species
45. Causes a cooling effect
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46. An environment that provides the things an organism needs to live - grow - and reproduce
prescribed burns
renewable sources
habitat
predator
47. Refers to an increase in Earth's average surface temperature
emigration
factors that cause different people to respond differently to environmental hazards
omnivore
global warming
48. Resulted in suppression of all forest fires
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49. The highest level of biodiversity
niche
insects
biomagnification
ecosystem diversity
50. A large area heavily populated like Miami - Florida or Toledo - Ohio
urban area
fishery
population
habitat preservation