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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. Transportation systems - communications systems - water services - power supplies - and schools
habitat
an action that can reduce the greenhouse gas emissions caused by driving
name examples of infrastructure
threatened
2. A large area heavily populated like Miami - Florida or Toledo - Ohio
urban area
primary succession
carcinogens
high levels of biodiversity
3. Leaving a population
prescribed burns
greenhouse gases
emigration
genetic diversity
4. The highest level of biodiversity
ecotourism
ecosystem diversity
uncentered commercial strip development
carbon footprint
5. The number of different species in an area
resource management
habitat destruction
biodiversity
producer
6. Organism that carries pathogens
habitat fragmentation
mapping biodiversity hotspots
vector
decomposer
7. Species that are carried to a new location by people
exotic species
primary succession
insects
sustainable yield
8. A natural resource that is not replaced in a useful time frame
automobile
population
prescribed fires
nonrenewable resource
9. An organism that breaks down wastes and dead organisms
habitat fragmentation
decomposer
commensalism
ecology
10. An area with a large population of valuable ocean organisms
pathogen
fishery
infants
nitrogen fixation
11. The mating of animals in zoos or wildlife preserves
resource
threatened
captive breeding
greenhouse gases
12. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
toxicant
mapping biodiversity hotspots
risk assessment
species
13. A region that has many different types of organism is described as having a high level of this
mutualism
species diversity
latitudinal gradient
keystone species
14. The study of how living things interact with each other and their environment
name a human activity that contributes the most carbon dioxide to the atmosphere
carbon footprint
exotic species
ecology
15. The most direct way in which biodiverstiy can provide a source of income
predator
ecology
ecotourism
niche
16. A series of events in which one organism eats another and obtains energy
products derived from the natural environment
food chain
biomagnification
risk assessment
17. One way zoos and aquariums help increase wildlife populations
commensalism
uncentered commercial strip development
species diversity
captive breeding programs
18. The organism that does the killing in a predation interaction
omnivore
predator
extirpation
automobile
19. Businesses are arranged in a long row along a roadway - with no main community
global warming
parasitism
uncentered commercial strip development
selective cutting
20. The process of cutting down all the trees in an area at once
pollution
name examples of infrastructure
keystone species
clear-cutting
21. The process of cutting down only some trees in an area
abiotic factor
captive breeding programs
prescribed fires
selective cutting
22. A consumer that eats only plants
emigration
herbivore
uncentered commercial strip development
population
23. The practice of protecting the environment
conservation
per capita land consumption
habitat
prey
24. The breaking of a habitat into smaller - isolated pieces
economic value of forests
give an example of a social hazard that cannot be easily controlled
warming temperatures
habitat fragmentation
25. The disappearance of all members of a species from Earth
extinction
wildlife corridor
noise polution
competition
26. Anything in the environment that is used by people is called a natural resource
risk
an action that can reduce the greenhouse gas emissions caused by driving
resource
rural area
27. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
ecology
renewable resource
nitrogen fixation
secondary succession
28. Concentrations of toxicants can be greatly multiplied with each step up the food chain
biomagnification
nitrogen fixation
overfishing
Smokey the Bear's message
29. Making direct measurements
products derived from the natural environment
Scientists determine current climate conditions by
biological hazards
habitat destruction
30. Amount of land each person uses
wildlife corridor
lead
infants
per capita land consumption
31. The probability that a hazard will cause a harmful response
insects
risk
scavenger
biomagnification
32. The clearing of a forest and replacing it with another land use
carbon footprint
deforestation
biome
omnivore
33. The loss of a natural habitat
pollution
keystone species
habitat destruction
teratogens
34. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude
insects
mutualism
warming temperatures
extirpation
35. A species in danger of becoming extinct in the near future
threatened
endangered
ecotourism
risk
36. When fish are caught faster than they can breed - causing the populatio to decrease
give an example of a social hazard that cannot be easily controlled
biological hazards
overfishing
carrying capacity
37. Loud noises in the air like jack hammers - loud car stereos - etc...
noise polution
resource management
how does sprawl increase carbon dioxide emissions
species
38. The role of an organism in its habitat - or how it makes its living
niche
noise polution
captive breeding programs
renewable resource
39. An amount of a renewable resource that can be harvested regularly without reducing the future supply
biomagnification
fire suppression
sustainable yield
If Earth did not have an atmosphere
40. A close relationship between two species that benefits at least one of the species
symbiosis
herbivore
species diversity
pollution
41. A species that influences the survival of many others in an ecosystem
producer
keystone species
decomposer
an action that can reduce the greenhouse gas emissions caused by driving
42. Moving into a population
fire suppression
deforestation
symbiosis
immigration
43. Viruses - bacteria and other organisms in the environment that harm human health
environmental science
economic value of forests
ecosystem diversity
biological hazards
44. Sex - weight - and health issues
symbiosis
factors that cause different people to respond differently to environmental hazards
prescribed fires
open space
45. A relationship between two species in which both species benefit
mutualism
name a human activity that contributes the most carbon dioxide to the atmosphere
carbon footprint
biodiversity
46. The process of changing free nitrogen gas into a usable form
renewable resource
Species Survival Plans (SSPs) goals
carnivore
nitrogen fixation
47. A species that could become endangered in the near future
prescribed burns
threatened
adaptation
carcinogens
48. Habitat change and fragmentation
biggest cause of biodiversity loss
Scientists determine current climate conditions by
adaptation
fire suppression
49. A resource that is either always available or is naturally replaced in a relatively short time
emerging disease
biotic factor
Species Survival Plans (SSPs) goals
renewable resource
50. Can result in a decrease of property damage
fire suppression
competition
carcinogens
latitudinal gradient