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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. The process of cutting down only some trees in an area
selective cutting
endangered
habitat preservation
sustainable yield
2. The study of how living things interact with each other and their environment
rural area
decomposer
mapping biodiversity hotspots
ecology
3. Chemicals that causes harm to embryos and fetuses
teratogens
toxicant
endangered species
renewable sources
4. Using public transportation
nonrenewable resource
ecology
carnivore
an action that can reduce the greenhouse gas emissions caused by driving
5. The study of the natural processes that occur in the environment and how humans can affect them
pathogen
environmental science
scavenger
competition
6. Making direct measurements
Scientists determine current climate conditions by
emerging disease
greenhouse gases
food chain
7. A species that influences the survival of many others in an ecosystem
keystone species
extirpation
give an example of a social hazard that cannot be easily controlled
sustainable cities can
8. One way zoos and aquariums help increase wildlife populations
name examples of land cover
captive breeding programs
emigration
ecology
9. An example of a method for managing whole ecosystems and habitats
habitat fragmentation
vector
mapping biodiversity hotspots
name a human activity that contributes the most carbon dioxide to the atmosphere
10. This draws people from urban areas to rural areas
open space
environmental science
give an example of a social hazard that cannot be easily controlled
greenhouse gases
11. The series of changes that occur in an area where no soil or organisms exist
renewable resource
prescribed burns
endangered species
primary succession
12. Bumps on the roots of certain plants
greenhouse gases
warming temperatures
nodules
Smokey the Bear's message
13. An organism that breaks down wastes and dead organisms
give an example of a social hazard that cannot be easily controlled
biological hazards
decomposer
global warming
14. The clearing of a forest and replacing it with another land use
Scientists determine current climate conditions by
deforestation
emigration
nitrogen fixation
15. A series of events in which one organism eats another and obtains energy
products derived from the natural environment
pollution
food chain
renewable resource
16. Any substance that poses a chemical hazard
toxicant
name examples of infrastructure
nitrogen fixation
decomposer
17. Rising sea level
risk assessment
biggest danger posed by global warming to people living in coastal areas
open space
insects
18. Energy from the sun would be reflected back into space
biggest danger posed by global warming to people living in coastal areas
captive breeding
pollution
If Earth did not have an atmosphere
19. Habitat change and fragmentation
conservation
captive breeding
biggest cause of biodiversity loss
rural area
20. Shift of population from countryside to cities
population
urbanization
genetic diversity
carnivore
21. The role of an organism in its habitat - or how it makes its living
niche
name examples of land cover
biggest danger posed by global warming to people living in coastal areas
emerging disease
22. The organism that does the killing in a predation interaction
urbanization
predator
pathogen
endangered species
23. A species that could become endangered in the near future
name examples of land cover
epidemiology
threatened
biome
24. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates
Species Survival Plans (SSPs) goals
genetic diversity
biome
primary succession
25. Illegal killing or removal of wildlife from their habitats
products derived from the natural environment
producer
consumer
poaching
26. Causes a cooling effect
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27. A virus or bacterium (organisms) that cause infectious diseases
producer
rural area
deforestation
pathogen
28. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world
secondary succession
emerging disease
lead
competition
29. Chemical hazard that was once found in paint - young children are frequently tested for this
high levels of biodiversity
extirpation
lead
open space
30. The disappearance of all members of a species from Earth
biodiversity
biggest cause of biodiversity loss
extinction
rural area
31. Organism that carries pathogens
vector
name examples of infrastructure
risk assessment
habitat fragment
32. A behavior or physical characteristic that allows an organism to live successfully in its environment
adaptation
open space
renewable sources
deforestation
33. A relationship between two species in which one species benefits and the other is neither helped nor harmed
renewable sources
per capita land consumption
commensalism
captive breeding
34. A consumer that eats only animals
fishery
carnivore
ecosystem diversity
sustainable cities can
35. Concentrations of toxicants can be greatly multiplied with each step up the food chain
epidemiology
scavenger
risk assessment
biomagnification
36. Amount of land each person uses
factors that cause different people to respond differently to environmental hazards
per capita land consumption
teratogens
nodules
37. Deals with biological hazards
epidemiology
high levels of biodiversity
carnivore
renewable sources
38. Leaving a population
population
Scientists determine current climate conditions by
toxicant
emigration
39. The pattern of overlapping food chains in an ecosystem
food web
decomposer
habitat
wildlife corridor
40. Viruses - bacteria and other organisms in the environment that harm human health
Species Survival Plans (SSPs) goals
biological hazards
prescribed fires
deforestation
41. Process of measuring the chance that an environmental hazard will cause harm
extirpation
herbivore
habitat fragmentation
risk assessment
42. The disappearance of a particular population from a given area - but not from the entire species globally
factors that cause different people to respond differently to environmental hazards
If Earth did not have an atmosphere
Earth's fresh water is used mostly for
extirpation
43. Cooking oil - fuel - and medicines
carbon footprint
fire suppression
habitat fragment
products derived from the natural environment
44. Fires that are set by humans
decomposer
prescribed fires
extinction
mapping biodiversity hotspots
45. A natural resource that is not replaced in a useful time frame
species
pollution
abiotic factor
nonrenewable resource
46. The amount of replacement is equal to the amount harvested
an action that can reduce the greenhouse gas emissions caused by driving
immigration
harvested sustainability is a renewable source IF
conservation
47. A carnivore that feeds on the bodies of dead organisms
scavenger
commensalism
fire suppression
food web
48. Species that are carried to a new location by people
biomagnification
exotic species
biggest cause of biodiversity loss
name a human activity that contributes the most carbon dioxide to the atmosphere
49. By increasing the need for people to drive
resource
lead
how does sprawl increase carbon dioxide emissions
carcinogens
50. The struggle between organisms to survive as they attempt to use the same limited resource
clear-cutting
emigration
competition
carnivore