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Test your basic knowledge |
DSST Environmental Science - 2
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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. The study of how living things interact with each other and their environment
epidemiology
biggest danger posed by global warming to people living in coastal areas
ecology
sustainable yield
2. Sex - weight - and health issues
species
nodules
Smokey the Bear's message
factors that cause different people to respond differently to environmental hazards
3. One way zoos and aquariums help increase wildlife populations
Earth's fresh water is used mostly for
captive breeding programs
predator
biological hazards
4. Resulted in suppression of all forest fires
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5. A behavior or physical characteristic that allows an organism to live successfully in its environment
nitrogen fixation
ecotourism
vector
adaptation
6. The study of the natural processes that occur in the environment and how humans can affect them
environmental science
niche
vector
immigration
7. Process of measuring the chance that an environmental hazard will cause harm
clear-cutting
nonrenewable resource
risk assessment
greenhouse gases
8. Energy from the sun would be reflected back into space
endangered species
If Earth did not have an atmosphere
give an example of a social hazard that cannot be easily controlled
per capita land consumption
9. A natural pattern in which species diversity generally increases toward the equator
ecotourism
latitudinal gradient
deforestation
A principal of smart growth
10. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates
name examples of land cover
harvested sustainability is a renewable source IF
genetic diversity
commensalism
11. A consumer that eats only plants
herbivore
infants
debt-for-nature swap
automobile
12. A natural resource that is not replaced in a useful time frame
nonrenewable resource
habitat destruction
give an example of a social hazard that cannot be easily controlled
carbon footprint
13. The loss of a natural habitat
species diversity
endangered species
clear-cutting
habitat destruction
14. Water vapor and carbon dioxide that trap heat near the earth
biological hazards
abiotic factor
deforestation
greenhouse gases
15. The number of different species in an area
uncentered commercial strip development
ecology
planting of new trees help reduce climate change by
biodiversity
16. Trees - grass - crops - wetlands - water - building and pavements
biggest cause of biodiversity loss
name examples of land cover
pollution
open space
17. Watering crops
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18. The amount of carbon dioxide emissions for which an individual or group is responsible
habitat
exotic species
carbon footprint
greenhouse gases
19. The process of changing free nitrogen gas into a usable form
endangered species
habitat
toxicant
nitrogen fixation
20. An organism that is killed and eaten by another organism
prey
automobile
habitat fragmentation
herbivore
21. Deals with biological hazards
harvested sustainability is a renewable source IF
deforestation
epidemiology
pathogen
22. An organism that breaks down wastes and dead organisms
risk
carnivore
decomposer
planting of new trees help reduce climate change by
23. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
population
habitat fragment
risk
species
24. The largest population that an area can support
carrying capacity
genetic diversity
habitat fragment
sustainable cities can
25. The amount of replacement is equal to the amount harvested
harvested sustainability is a renewable source IF
latitudinal gradient
ecology
clear-cutting
26. A relationship between two species in which both species benefit
economic value of forests
conservation
warming temperatures
mutualism
27. Provide wood
adaptation
economic value of forests
prey
risk assessment
28. Species that are carried to a new location by people
urbanization
debt-for-nature swap
exotic species
teratogens
29. Increase the stability of an ecosystem
resource management
give an example of a social hazard that cannot be easily controlled
risk assessment
high levels of biodiversity
30. Land that is sparsely populated and has few buildings or roads
rural area
name examples of land cover
teratogens
endangered species
31. An area with a large population of valuable ocean organisms
products derived from the natural environment
biggest cause of biodiversity loss
parasitism
fishery
32. An amount of a renewable resource that can be harvested regularly without reducing the future supply
economic value of forests
habitat destruction
sustainable yield
habitat fragment
33. Any substance that poses a chemical hazard
commensalism
nitrogen fixation
toxicant
urbanization
34. The organism that does the killing in a predation interaction
predator
lead
selective cutting
global warming
35. A species that influences the survival of many others in an ecosystem
food web
keystone species
symbiosis
insects
36. The highest level of biodiversity
infants
ecosystem diversity
keystone species
biotic factor
37. Fires that are set by humans
prescribed fires
food web
urbanization
secondary succession
38. The most direct way in which biodiverstiy can provide a source of income
immigration
ecotourism
poaching
population
39. The most effective way of preserving biodiversity by protecting whole ecosystems
scavenger
habitat preservation
ecosystem diversity
symbiosis
40. Organism that carries pathogens
extirpation
name examples of land cover
prey
vector
41. Leaving a population
harvested sustainability is a renewable source IF
species
emigration
habitat
42. A species in danger of becoming extinct in the near future
endangered
fishery
extirpation
secondary succession
43. The disappearance of a particular population from a given area - but not from the entire species globally
fire suppression
extirpation
risk assessment
A principal of smart growth
44. Chemical hazard that was once found in paint - young children are frequently tested for this
mapping biodiversity hotspots
fire suppression
lead
Species Survival Plans (SSPs) goals
45. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
prey
planting of new trees help reduce climate change by
wildlife corridor
Scientists determine current climate conditions by
46. The clearing of a forest and replacing it with another land use
consumer
captive breeding programs
deforestation
harvested sustainability is a renewable source IF
47. 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
high levels of biodiversity
Smokey the Bear's message
48. The role of an organism in its habitat - or how it makes its living
nonrenewable resource
A principal of smart growth
niche
wildlife corridor
49. A relationship in which one organism lives on or in a host and harms it
infants
species
parasitism
nitrogen fixation
50. A consumer that eats only animals
biggest cause of biodiversity loss
pollution
ecotourism
carnivore
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