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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. An area with a large population of valuable ocean organisms
population
genetic diversity
resource
fishery
2. A relationship in which one organism lives on or in a host and harms it
high levels of biodiversity
teratogens
parasitism
name a human activity that contributes the most carbon dioxide to the atmosphere
3. Process of measuring the chance that an environmental hazard will cause harm
biggest cause of biodiversity loss
risk assessment
rural area
producer
4. Increase the stability of an ecosystem
Earth's fresh water is used mostly for
rural area
prescribed burns
high levels of biodiversity
5. An example of a method for managing whole ecosystems and habitats
mapping biodiversity hotspots
overfishing
pathogen
prescribed burns
6. The most direct way in which biodiverstiy can provide a source of income
give an example of a social hazard that cannot be easily controlled
warming temperatures
uncentered commercial strip development
ecotourism
7. An organism that breaks down wastes and dead organisms
infants
teratogens
decomposer
environmental science
8. A consumer that eats only plants
factors that cause different people to respond differently to environmental hazards
risk
herbivore
prescribed burns
9. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity
debt-for-nature swap
latitudinal gradient
products derived from the natural environment
carbon footprint
10. A species that influences the survival of many others in an ecosystem
Smokey the Bear's message
insects
selective cutting
keystone species
11. A nonliving part of an organism's habitat
habitat fragmentation
insects
abiotic factor
latitudinal gradient
12. Soil - fresh water - wild animals - and timber
herbivore
renewable sources
renewable resource
pathogen
13. A carnivore that feeds on the bodies of dead organisms
endangered
name examples of infrastructure
high levels of biodiversity
scavenger
14. The most effective way of preserving biodiversity by protecting whole ecosystems
wildlife corridor
parasitism
name a human activity that contributes the most carbon dioxide to the atmosphere
habitat preservation
15. The study of the natural processes that occur in the environment and how humans can affect them
renewable resource
environmental science
how does sprawl increase carbon dioxide emissions
risk
16. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
captive breeding programs
give an example of a social hazard that cannot be easily controlled
wildlife corridor
competition
17. A resource that is either always available or is naturally replaced in a relatively short time
Earth's fresh water is used mostly for
urbanization
biggest danger posed by global warming to people living in coastal areas
renewable resource
18. Chemical hazard that was once found in paint - young children are frequently tested for this
lead
species diversity
captive breeding
insects
19. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
overfishing
biotic factor
habitat fragment
mutualism
20. A region that has many different types of organism is described as having a high level of this
the ocean's absorption of carbon dioxide ...
emerging disease
species diversity
poaching
21. A large area heavily populated like Miami - Florida or Toledo - Ohio
herbivore
renewable sources
urban area
environmental science
22. Loud noises in the air like jack hammers - loud car stereos - etc...
carrying capacity
clear-cutting
noise polution
predator
23. A virus or bacterium (organisms) that cause infectious diseases
automobile
pathogen
nodules
warming temperatures
24. The clearing of a forest and replacing it with another land use
adaptation
deforestation
prey
extirpation
25. Cooking oil - fuel - and medicines
biomagnification
products derived from the natural environment
nodules
herbivore
26. The process of changing free nitrogen gas into a usable form
urbanization
population
nitrogen fixation
environmental science
27. Are carefully controlled
prescribed burns
symbiosis
resource management
noise polution
28. Leaving a population
adaptation
debt-for-nature swap
population
emigration
29. The mating of animals in zoos or wildlife preserves
insects
clear-cutting
ecology
captive breeding
30. A group of land ecosystems with similar climates and organisms
biome
habitat fragment
predator
extinction
31. A relationship between two species in which one species benefits and the other is neither helped nor harmed
biome
species diversity
food web
commensalism
32. The role of an organism in its habitat - or how it makes its living
an action that can reduce the greenhouse gas emissions caused by driving
habitat
toxicant
niche
33. The struggle between organisms to survive as they attempt to use the same limited resource
extirpation
competition
vector
biological hazards
34. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
endangered species
nonrenewable resource
species
risk assessment
35. Making direct measurements
biome
commensalism
open space
Scientists determine current climate conditions by
36. Transportation systems - communications systems - water services - power supplies - and schools
noise polution
greenhouse gases
competition
name examples of infrastructure
37. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude
renewable sources
warming temperatures
prey
extinction
38. Chemicals that cause cancer
omnivore
niche
carcinogens
pollution
39. An organism that can make its own food
open space
producer
debt-for-nature swap
vector
40. Has the highest amount of species diversity
insects
biological hazards
parasitism
extirpation
41. The series of changes that occur in an area where no soil or organisms exist
extinction
habitat preservation
primary succession
factors that cause different people to respond differently to environmental hazards
42. The breaking of a habitat into smaller - isolated pieces
predator
pathogen
habitat fragmentation
adaptation
43. Moving into a population
exotic species
immigration
species
fishery
44. An amount of a renewable resource that can be harvested regularly without reducing the future supply
symbiosis
sustainable yield
prey
endangered species
45. Bumps on the roots of certain plants
immigration
nodules
renewable sources
carcinogens
46. Taking in carbon dioxide from the atmosphere during photosynthesis
automobile
planting of new trees help reduce climate change by
infants
niche
47. The pattern of overlapping food chains in an ecosystem
biological hazards
latitudinal gradient
food web
carnivore
48. An organism that obtains energy by feeding on the other organisms
consumer
symbiosis
lead
species
49. Burning fossil fuels
endangered
urbanization
name a human activity that contributes the most carbon dioxide to the atmosphere
deforestation
50. Rising sea level
carbon footprint
biggest danger posed by global warming to people living in coastal areas
ecotourism
abiotic factor