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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. A species that influences the survival of many others in an ecosystem
pollution
food web
keystone species
consumer
2. Habitat change and fragmentation
biggest cause of biodiversity loss
niche
keystone species
epidemiology
3. The probability that a hazard will cause a harmful response
biological hazards
herbivore
niche
risk
4. The form of transportation that uses the most energy per passenger mile
wildlife corridor
ecology
automobile
Species Survival Plans (SSPs) goals
5. The role of an organism in its habitat - or how it makes its living
toxicant
niche
captive breeding programs
competition
6. Increase the stability of an ecosystem
extirpation
biggest danger posed by global warming to people living in coastal areas
high levels of biodiversity
If Earth did not have an atmosphere
7. Bumps on the roots of certain plants
nodules
secondary succession
exotic species
keystone species
8. A series of events in which one organism eats another and obtains energy
sustainable yield
rural area
food chain
nonrenewable resource
9. Sex - weight - and health issues
lead
fire suppression
mapping biodiversity hotspots
factors that cause different people to respond differently to environmental hazards
10. The disappearance of all members of a species from Earth
secondary succession
pollution
decomposer
extinction
11. An organism that can make its own food
warming temperatures
symbiosis
producer
habitat destruction
12. The amount of replacement is equal to the amount harvested
primary succession
harvested sustainability is a renewable source IF
genetic diversity
resource
13. The largest population that an area can support
biomagnification
producer
the ocean's absorption of carbon dioxide ...
carrying capacity
14. The study of the natural processes that occur in the environment and how humans can affect them
extinction
carbon footprint
A principal of smart growth
environmental science
15. Burning fossil fuels
habitat
ecotourism
prescribed fires
name a human activity that contributes the most carbon dioxide to the atmosphere
16. Have a greater sensitivity to environmental hazards than any other group
infants
risk
wildlife corridor
pollution
17. Resulted in suppression of all forest fires
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18. An amount of a renewable resource that can be harvested regularly without reducing the future supply
biggest cause of biodiversity loss
Scientists determine current climate conditions by
sustainable yield
debt-for-nature swap
19. The process of cutting down all the trees in an area at once
risk
deforestation
clear-cutting
the ocean's absorption of carbon dioxide ...
20. Contamination of land - water - or air
high levels of biodiversity
pollution
selective cutting
captive breeding
21. When fish are caught faster than they can breed - causing the populatio to decrease
consumer
overfishing
noise polution
mutualism
22. A species in danger of becoming extinct in the near future
per capita land consumption
pollution
endangered
exotic species
23. The breaking of a habitat into smaller - isolated pieces
niche
habitat fragmentation
Earth's fresh water is used mostly for
toxicant
24. The most direct way in which biodiverstiy can provide a source of income
ecosystem diversity
biggest cause of biodiversity loss
vector
ecotourism
25. By increasing the need for people to drive
pathogen
habitat fragment
open space
how does sprawl increase carbon dioxide emissions
26. A resource that is either always available or is naturally replaced in a relatively short time
renewable resource
nodules
abiotic factor
competition
27. Can result in a decrease of property damage
fire suppression
If Earth did not have an atmosphere
conservation
Earth's fresh water is used mostly for
28. Manage - protect and reintroduce threatened and endangered species
conservation
resource
Species Survival Plans (SSPs) goals
prescribed fires
29. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
wildlife corridor
predator
urbanization
primary succession
30. The clearing of a forest and replacing it with another land use
debt-for-nature swap
biodiversity
noise polution
deforestation
31. Refers to an increase in Earth's average surface temperature
name examples of land cover
global warming
Species Survival Plans (SSPs) goals
niche
32. The most effective way of preserving biodiversity by protecting whole ecosystems
insects
habitat preservation
rural area
name a human activity that contributes the most carbon dioxide to the atmosphere
33. The pattern of overlapping food chains in an ecosystem
products derived from the natural environment
food web
habitat destruction
keystone species
34. The highest level of biodiversity
omnivore
latitudinal gradient
ecosystem diversity
planting of new trees help reduce climate change by
35. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
nodules
niche
latitudinal gradient
secondary succession
36. The organism that does the killing in a predation interaction
extirpation
carrying capacity
predator
captive breeding programs
37. Leaving a population
habitat destruction
species
species diversity
emigration
38. A relationship between two species in which both species benefit
sustainable yield
predator
mutualism
carcinogens
39. A large area heavily populated like Miami - Florida or Toledo - Ohio
urban area
habitat preservation
biomagnification
population
40. The loss of a natural habitat
lead
prescribed burns
symbiosis
habitat destruction
41. Taking in carbon dioxide from the atmosphere during photosynthesis
planting of new trees help reduce climate change by
pathogen
resource management
wildlife corridor
42. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates
genetic diversity
conservation
ecotourism
consumer
43. The number of different species in an area
prescribed fires
predator
biodiversity
toxicant
44. The amount of carbon dioxide emissions for which an individual or group is responsible
selective cutting
producer
carbon footprint
food chain
45. A behavior or physical characteristic that allows an organism to live successfully in its environment
habitat
sustainable yield
commensalism
adaptation
46. Energy from the sun would be reflected back into space
sustainable yield
infants
If Earth did not have an atmosphere
habitat preservation
47. Water vapor and carbon dioxide that trap heat near the earth
greenhouse gases
biggest cause of biodiversity loss
ecotourism
food chain
48. The study of how living things interact with each other and their environment
ecology
global warming
A principal of smart growth
toxicant
49. Chemicals that cause cancer
an action that can reduce the greenhouse gas emissions caused by driving
carcinogens
mapping biodiversity hotspots
resource management
50. A virus or bacterium (organisms) that cause infectious diseases
automobile
species
ecology
pathogen
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