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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. Trees - grass - crops - wetlands - water - building and pavements
commensalism
conservation
automobile
name examples of land cover
2. The number of different species in an area
name examples of land cover
biodiversity
epidemiology
renewable sources
3. Viruses - bacteria and other organisms in the environment that harm human health
risk assessment
genetic diversity
herbivore
biological hazards
4. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
name examples of land cover
risk assessment
species diversity
habitat fragment
5. 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
species
resource management
commensalism
6. A relationship between two species in which both species benefit
mutualism
consumer
symbiosis
warming temperatures
7. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
wildlife corridor
global warming
Smokey the Bear's message
infants
8. Chemicals that cause cancer
insects
prescribed burns
wildlife corridor
carcinogens
9. A region that has many different types of organism is described as having a high level of this
high levels of biodiversity
species diversity
abiotic factor
urbanization
10. A consumer that eats both plants and animals
mutualism
carrying capacity
omnivore
extirpation
11. Sex - weight - and health issues
competition
planting of new trees help reduce climate change by
factors that cause different people to respond differently to environmental hazards
abiotic factor
12. A natural pattern in which species diversity generally increases toward the equator
latitudinal gradient
carbon footprint
noise polution
biodiversity
13. Burning fossil fuels
rural area
name a human activity that contributes the most carbon dioxide to the atmosphere
latitudinal gradient
biggest danger posed by global warming to people living in coastal areas
14. A natural resource that is not replaced in a useful time frame
lead
nitrogen fixation
open space
nonrenewable resource
15. Illegal killing or removal of wildlife from their habitats
nodules
infants
biggest cause of biodiversity loss
poaching
16. The clearing of a forest and replacing it with another land use
name examples of infrastructure
deforestation
habitat destruction
biotic factor
17. Causes a cooling effect
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18. An organism that obtains energy by feeding on the other organisms
deforestation
an action that can reduce the greenhouse gas emissions caused by driving
prescribed fires
consumer
19. This draws people from urban areas to rural areas
open space
epidemiology
predator
how does sprawl increase carbon dioxide emissions
20. Process of measuring the chance that an environmental hazard will cause harm
risk assessment
nonrenewable resource
infants
genetic diversity
21. The study of how living things interact with each other and their environment
wildlife corridor
ecology
keystone species
infants
22. A species that is at risk of extinction
endangered species
sustainable cities can
clear-cutting
population
23. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
per capita land consumption
primary succession
resource management
secondary succession
24. An organism that can make its own food
producer
scavenger
ecosystem diversity
mapping biodiversity hotspots
25. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates
competition
sustainable yield
genetic diversity
primary succession
26. Contamination of land - water - or air
prescribed burns
species
carcinogens
pollution
27. Deals with biological hazards
parasitism
epidemiology
decomposer
lead
28. A group of land ecosystems with similar climates and organisms
herbivore
habitat destruction
global warming
biome
29. A form of decision-making concerned with the allocation and conservation of natural resources
Smokey the Bear's message
resource management
biological hazards
species diversity
30. 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
environmental science
predator
secondary succession
emerging disease
31. When fish are caught faster than they can breed - causing the populatio to decrease
symbiosis
planting of new trees help reduce climate change by
give an example of a social hazard that cannot be easily controlled
overfishing
32. Water vapor and carbon dioxide that trap heat near the earth
an action that can reduce the greenhouse gas emissions caused by driving
predator
greenhouse gases
products derived from the natural environment
33. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude
products derived from the natural environment
toxicant
biggest cause of biodiversity loss
warming temperatures
34. Bumps on the roots of certain plants
biotic factor
per capita land consumption
urban area
nodules
35. The breaking of a habitat into smaller - isolated pieces
herbivore
immigration
clear-cutting
habitat fragmentation
36. A series of events in which one organism eats another and obtains energy
captive breeding programs
adaptation
immigration
food chain
37. A relationship between two species in which one species benefits and the other is neither helped nor harmed
commensalism
how does sprawl increase carbon dioxide emissions
producer
exotic species
38. The role of an organism in its habitat - or how it makes its living
niche
products derived from the natural environment
Species Survival Plans (SSPs) goals
exotic species
39. Organism that carries pathogens
vector
teratogens
economic value of forests
toxicant
40. A close relationship between two species that benefits at least one of the species
endangered species
symbiosis
pollution
carbon footprint
41. A living part of an organism's habitat
If Earth did not have an atmosphere
biome
epidemiology
biotic factor
42. Watering crops
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43. The amount of carbon dioxide emissions for which an individual or group is responsible
per capita land consumption
resource management
carbon footprint
Earth's fresh water is used mostly for
44. A resource that is either always available or is naturally replaced in a relatively short time
renewable resource
consumer
rural area
biggest danger posed by global warming to people living in coastal areas
45. A species that influences the survival of many others in an ecosystem
keystone species
captive breeding
open space
pollution
46. Any substance that poses a chemical hazard
extinction
per capita land consumption
toxicant
commensalism
47. Rising sea level
sustainable yield
biotic factor
biggest danger posed by global warming to people living in coastal areas
clear-cutting
48. An amount of a renewable resource that can be harvested regularly without reducing the future supply
sustainable yield
endangered species
give an example of a social hazard that cannot be easily controlled
vector
49. The pattern of overlapping food chains in an ecosystem
wildlife corridor
overfishing
food web
Smokey the Bear's message
50. The process of cutting down only some trees in an area
conservation
selective cutting
fire suppression
adaptation