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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. Deals with biological hazards
nodules
epidemiology
fishery
If Earth did not have an atmosphere
2. A virus or bacterium (organisms) that cause infectious diseases
habitat preservation
nitrogen fixation
endangered species
pathogen
3. Contamination of land - water - or air
captive breeding programs
population
consumer
pollution
4. Watering crops
5. Burning fossil fuels
competition
vector
name a human activity that contributes the most carbon dioxide to the atmosphere
Scientists determine current climate conditions by
6. A consumer that eats both plants and animals
high levels of biodiversity
omnivore
exotic species
prescribed fires
7. An organism that can make its own food
renewable resource
biggest cause of biodiversity loss
producer
name examples of infrastructure
8. Amount of land each person uses
fishery
exotic species
pollution
per capita land consumption
9. Chemicals that causes harm to embryos and fetuses
teratogens
Scientists determine current climate conditions by
habitat fragmentation
name a human activity that contributes the most carbon dioxide to the atmosphere
10. The amount of replacement is equal to the amount harvested
Smokey the Bear's message
per capita land consumption
insects
harvested sustainability is a renewable source IF
11. The loss of a natural habitat
keystone species
commensalism
carcinogens
habitat destruction
12. The process of cutting down all the trees in an area at once
clear-cutting
high levels of biodiversity
biodiversity
environmental science
13. Chemicals that cause cancer
secondary succession
carcinogens
immigration
habitat fragmentation
14. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude
warming temperatures
risk
factors that cause different people to respond differently to environmental hazards
carbon footprint
15. A relationship in which one organism lives on or in a host and harms it
captive breeding programs
conservation
commensalism
parasitism
16. A carnivore that feeds on the bodies of dead organisms
how does sprawl increase carbon dioxide emissions
scavenger
captive breeding
food chain
17. The series of changes that occur in an area where no soil or organisms exist
nodules
primary succession
captive breeding programs
rural area
18. Concentrations of toxicants can be greatly multiplied with each step up the food chain
captive breeding programs
biomagnification
open space
endangered
19. Shift of population from countryside to cities
urbanization
Smokey the Bear's message
Scientists determine current climate conditions by
ecosystem diversity
20. The organism that does the killing in a predation interaction
resource management
selective cutting
predator
name a human activity that contributes the most carbon dioxide to the atmosphere
21. Cooking oil - fuel - and medicines
nonrenewable resource
biomagnification
vector
products derived from the natural environment
22. The study of how living things interact with each other and their environment
primary succession
carcinogens
ecology
endangered species
23. The most effective way of preserving biodiversity by protecting whole ecosystems
harvested sustainability is a renewable source IF
name a human activity that contributes the most carbon dioxide to the atmosphere
habitat preservation
primary succession
24. A relationship between two species in which one species benefits and the other is neither helped nor harmed
commensalism
automobile
endangered species
competition
25. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates
emigration
resource
emerging disease
genetic diversity
26. Soil - fresh water - wild animals - and timber
risk
niche
nitrogen fixation
renewable sources
27. The disappearance of a particular population from a given area - but not from the entire species globally
extirpation
nonrenewable resource
If Earth did not have an atmosphere
environmental science
28. Transportation systems - communications systems - water services - power supplies - and schools
name examples of infrastructure
toxicant
debt-for-nature swap
automobile
29. The amount of carbon dioxide emissions for which an individual or group is responsible
commensalism
biodiversity
carbon footprint
prescribed burns
30. The process of cutting down only some trees in an area
habitat destruction
carnivore
selective cutting
harvested sustainability is a renewable source IF
31. Water vapor and carbon dioxide that trap heat near the earth
niche
renewable sources
greenhouse gases
extirpation
32. Increase the stability of an ecosystem
high levels of biodiversity
captive breeding programs
risk
conservation
33. A nonliving part of an organism's habitat
lead
name examples of infrastructure
abiotic factor
economic value of forests
34. Causes a cooling effect
35. Manage - protect and reintroduce threatened and endangered species
immigration
biodiversity
urbanization
Species Survival Plans (SSPs) goals
36. A behavior or physical characteristic that allows an organism to live successfully in its environment
adaptation
nonrenewable resource
endangered species
name examples of infrastructure
37. Are carefully controlled
producer
extirpation
Earth's fresh water is used mostly for
prescribed burns
38. A living part of an organism's habitat
biotic factor
adaptation
habitat preservation
biodiversity
39. Loud noises in the air like jack hammers - loud car stereos - etc...
ecotourism
noise polution
captive breeding
vector
40. A relationship between two species in which both species benefit
resource
ecosystem diversity
mutualism
primary succession
41. An area with a large population of valuable ocean organisms
greenhouse gases
conservation
fishery
urbanization
42. A large area heavily populated like Miami - Florida or Toledo - Ohio
factors that cause different people to respond differently to environmental hazards
noise polution
urban area
toxicant
43. Viruses - bacteria and other organisms in the environment that harm human health
biological hazards
name a human activity that contributes the most carbon dioxide to the atmosphere
sustainable yield
insects
44. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
sustainable cities can
captive breeding programs
wildlife corridor
secondary succession
45. A species in danger of becoming extinct in the near future
sustainable yield
endangered
renewable sources
carbon footprint
46. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
species
overfishing
uncentered commercial strip development
urban area
47. The probability that a hazard will cause a harmful response
open space
sustainable yield
A principal of smart growth
risk
48. Has the highest amount of species diversity
genetic diversity
factors that cause different people to respond differently to environmental hazards
insects
clear-cutting
49. All the members of one species in a particular area
population
high levels of biodiversity
prescribed burns
mapping biodiversity hotspots
50. The struggle between organisms to survive as they attempt to use the same limited resource
competition
Earth's fresh water is used mostly for
fishery
biotic factor