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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. 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
emerging disease
name a human activity that contributes the most carbon dioxide to the atmosphere
urban area
renewable resource
2. The disappearance of all members of a species from Earth
captive breeding
overfishing
planting of new trees help reduce climate change by
extinction
3. A group of land ecosystems with similar climates and organisms
predator
primary succession
pollution
biome
4. Taking in carbon dioxide from the atmosphere during photosynthesis
habitat
ecology
planting of new trees help reduce climate change by
biggest danger posed by global warming to people living in coastal areas
5. The process of changing free nitrogen gas into a usable form
teratogens
infants
mutualism
nitrogen fixation
6. Water vapor and carbon dioxide that trap heat near the earth
environmental science
greenhouse gases
prey
vector
7. A relationship between two species in which both species benefit
nodules
endangered
mutualism
rural area
8. Provide wood
carcinogens
habitat preservation
risk
economic value of forests
9. A species that influences the survival of many others in an ecosystem
keystone species
give an example of a social hazard that cannot be easily controlled
risk assessment
Scientists determine current climate conditions by
10. A region that has many different types of organism is described as having a high level of this
harvested sustainability is a renewable source IF
species diversity
sustainable yield
threatened
11. The clearing of a forest and replacing it with another land use
immigration
global warming
deforestation
fishery
12. Resulted in suppression of all forest fires
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13. Pollution from a factory near your school
give an example of a social hazard that cannot be easily controlled
infants
environmental science
biotic factor
14. The form of transportation that uses the most energy per passenger mile
captive breeding programs
Scientists determine current climate conditions by
automobile
fishery
15. The largest population that an area can support
urbanization
Smokey the Bear's message
carrying capacity
toxicant
16. Contamination of land - water - or air
habitat fragmentation
pollution
debt-for-nature swap
factors that cause different people to respond differently to environmental hazards
17. A species that is at risk of extinction
conservation
toxicant
name examples of land cover
endangered species
18. Watering crops
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19. Land that is sparsely populated and has few buildings or roads
rural area
selective cutting
products derived from the natural environment
insects
20. Burning fossil fuels
clear-cutting
adaptation
high levels of biodiversity
name a human activity that contributes the most carbon dioxide to the atmosphere
21. Species that are carried to a new location by people
secondary succession
emerging disease
resource management
exotic species
22. A natural resource that is not replaced in a useful time frame
biggest cause of biodiversity loss
greenhouse gases
adaptation
nonrenewable resource
23. A consumer that eats both plants and animals
primary succession
open space
omnivore
niche
24. Can result in a decrease of property damage
producer
fire suppression
greenhouse gases
predator
25. The amount of replacement is equal to the amount harvested
harvested sustainability is a renewable source IF
lead
epidemiology
genetic diversity
26. The process of cutting down all the trees in an area at once
threatened
clear-cutting
open space
high levels of biodiversity
27. A consumer that eats only animals
resource
carnivore
parasitism
conservation
28. Leaving a population
emigration
urban area
niche
name examples of infrastructure
29. An amount of a renewable resource that can be harvested regularly without reducing the future supply
sustainable yield
greenhouse gases
overfishing
global warming
30. A natural pattern in which species diversity generally increases toward the equator
pollution
biome
latitudinal gradient
deforestation
31. The practice of protecting the environment
habitat fragmentation
urban area
conservation
an action that can reduce the greenhouse gas emissions caused by driving
32. A carnivore that feeds on the bodies of dead organisms
habitat
sustainable cities can
overfishing
scavenger
33. Refers to an increase in Earth's average surface temperature
global warming
emerging disease
habitat fragmentation
endangered species
34. An organism that obtains energy by feeding on the other organisms
extinction
consumer
immigration
an action that can reduce the greenhouse gas emissions caused by driving
35. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates
genetic diversity
per capita land consumption
biome
give an example of a social hazard that cannot be easily controlled
36. Fires that are set by humans
pollution
symbiosis
prescribed fires
risk assessment
37. The highest level of biodiversity
nodules
give an example of a social hazard that cannot be easily controlled
vector
ecosystem diversity
38. Loud noises in the air like jack hammers - loud car stereos - etc...
noise polution
renewable resource
clear-cutting
primary succession
39. Anything in the environment that is used by people is called a natural resource
species diversity
teratogens
secondary succession
resource
40. Has the highest amount of species diversity
carbon footprint
per capita land consumption
resource
insects
41. Chemical hazard that was once found in paint - young children are frequently tested for this
mapping biodiversity hotspots
ecotourism
insects
lead
42. The mating of animals in zoos or wildlife preserves
environmental science
conservation
captive breeding
pathogen
43. A relationship between two species in which one species benefits and the other is neither helped nor harmed
commensalism
prescribed fires
niche
ecology
44. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
secondary succession
extinction
food web
Smokey the Bear's message
45. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
adaptation
noise polution
emigration
wildlife corridor
46. The breaking of a habitat into smaller - isolated pieces
herbivore
ecosystem diversity
biotic factor
habitat fragmentation
47. The role of an organism in its habitat - or how it makes its living
latitudinal gradient
biggest cause of biodiversity loss
endangered species
niche
48. A species in danger of becoming extinct in the near future
endangered
rural area
population
give an example of a social hazard that cannot be easily controlled
49. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity
debt-for-nature swap
urban area
toxicant
poaching
50. An organism that is killed and eaten by another organism
prey
keystone species
nonrenewable resource
food web