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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. Water vapor and carbon dioxide that trap heat near the earth
greenhouse gases
commensalism
environmental science
high levels of biodiversity
2. A species that influences the survival of many others in an ecosystem
emerging disease
secondary succession
keystone species
biodiversity
3. Shift of population from countryside to cities
If Earth did not have an atmosphere
ecosystem diversity
urbanization
deforestation
4. Amount of land each person uses
risk
nonrenewable resource
per capita land consumption
fishery
5. The mating of animals in zoos or wildlife preserves
commensalism
environmental science
captive breeding
renewable sources
6. Contamination of land - water - or air
biological hazards
pollution
overfishing
species
7. Concentrations of toxicants can be greatly multiplied with each step up the food chain
emerging disease
ecosystem diversity
biomagnification
carrying capacity
8. The amount of carbon dioxide emissions for which an individual or group is responsible
pathogen
poaching
emerging disease
carbon footprint
9. Causes a cooling effect
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10. A large area heavily populated like Miami - Florida or Toledo - Ohio
decomposer
urban area
planting of new trees help reduce climate change by
primary succession
11. One way zoos and aquariums help increase wildlife populations
how does sprawl increase carbon dioxide emissions
ecosystem diversity
per capita land consumption
captive breeding programs
12. Taking in carbon dioxide from the atmosphere during photosynthesis
emigration
planting of new trees help reduce climate change by
nonrenewable resource
fishery
13. Cooking oil - fuel - and medicines
decomposer
products derived from the natural environment
scavenger
biological hazards
14. Has the highest amount of species diversity
insects
prescribed burns
population
debt-for-nature swap
15. Species that are carried to a new location by people
deforestation
factors that cause different people to respond differently to environmental hazards
exotic species
scavenger
16. The most direct way in which biodiverstiy can provide a source of income
toxicant
renewable resource
uncentered commercial strip development
ecotourism
17. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity
consumer
nitrogen fixation
biggest cause of biodiversity loss
debt-for-nature swap
18. Moving into a population
immigration
factors that cause different people to respond differently to environmental hazards
biggest cause of biodiversity loss
biotic factor
19. Soil - fresh water - wild animals - and timber
renewable sources
endangered
factors that cause different people to respond differently to environmental hazards
exotic species
20. Process of measuring the chance that an environmental hazard will cause harm
urban area
risk assessment
fishery
biomagnification
21. Building up not out
herbivore
fire suppression
A principal of smart growth
food chain
22. Manage - protect and reintroduce threatened and endangered species
adaptation
Species Survival Plans (SSPs) goals
biotic factor
resource
23. When fish are caught faster than they can breed - causing the populatio to decrease
rural area
overfishing
deforestation
habitat fragmentation
24. The practice of protecting the environment
name examples of infrastructure
conservation
latitudinal gradient
emerging disease
25. Deals with biological hazards
wildlife corridor
epidemiology
give an example of a social hazard that cannot be easily controlled
toxicant
26. Can result in a decrease of property damage
consumer
prescribed fires
fire suppression
environmental science
27. The loss of a natural habitat
open space
vector
lead
habitat destruction
28. A group of land ecosystems with similar climates and organisms
biome
A principal of smart growth
decomposer
clear-cutting
29. A natural resource that is not replaced in a useful time frame
habitat
nonrenewable resource
herbivore
endangered species
30. A virus or bacterium (organisms) that cause infectious diseases
overfishing
pathogen
food chain
abiotic factor
31. Illegal killing or removal of wildlife from their habitats
epidemiology
ecosystem diversity
parasitism
poaching
32. The study of the natural processes that occur in the environment and how humans can affect them
vector
genetic diversity
environmental science
nitrogen fixation
33. The number of different species in an area
debt-for-nature swap
secondary succession
biodiversity
Earth's fresh water is used mostly for
34. Chemicals that cause cancer
teratogens
ecology
carcinogens
name examples of infrastructure
35. Sex - weight - and health issues
factors that cause different people to respond differently to environmental hazards
captive breeding
symbiosis
decomposer
36. A relationship between two species in which one species benefits and the other is neither helped nor harmed
consumer
commensalism
primary succession
open space
37. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
risk assessment
extinction
niche
habitat fragment
38. The amount of replacement is equal to the amount harvested
fire suppression
habitat fragmentation
harvested sustainability is a renewable source IF
ecosystem diversity
39. Any substance that poses a chemical hazard
epidemiology
habitat preservation
toxicant
products derived from the natural environment
40. An organism that breaks down wastes and dead organisms
biological hazards
fire suppression
decomposer
name examples of infrastructure
41. Anything in the environment that is used by people is called a natural resource
secondary succession
prescribed fires
species
resource
42. The most effective way of preserving biodiversity by protecting whole ecosystems
toxicant
Scientists determine current climate conditions by
habitat preservation
emerging disease
43. Habitat change and fragmentation
biggest cause of biodiversity loss
niche
risk assessment
habitat
44. The highest level of biodiversity
teratogens
extinction
ecosystem diversity
A principal of smart growth
45. Leaving a population
endangered
rural area
adaptation
emigration
46. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates
adaptation
pathogen
prescribed burns
genetic diversity
47. The process of changing free nitrogen gas into a usable form
lead
nitrogen fixation
resource management
producer
48. By increasing the need for people to drive
toxicant
how does sprawl increase carbon dioxide emissions
keystone species
high levels of biodiversity
49. Pollution from a factory near your school
give an example of a social hazard that cannot be easily controlled
insects
carcinogens
decomposer
50. The form of transportation that uses the most energy per passenger mile
automobile
abiotic factor
emigration
decomposer