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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 organism that does the killing in a predation interaction
predator
Earth's fresh water is used mostly for
carrying capacity
nonrenewable resource
2. An organism that obtains energy by feeding on the other organisms
an action that can reduce the greenhouse gas emissions caused by driving
overfishing
consumer
open space
3. A large area heavily populated like Miami - Florida or Toledo - Ohio
habitat fragmentation
urban area
ecotourism
lead
4. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude
factors that cause different people to respond differently to environmental hazards
warming temperatures
species diversity
extirpation
5. Have a greater sensitivity to environmental hazards than any other group
A principal of smart growth
poaching
lead
infants
6. Resulted in suppression of all forest fires
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7. A relationship between two species in which one species benefits and the other is neither helped nor harmed
ecosystem diversity
mapping biodiversity hotspots
If Earth did not have an atmosphere
commensalism
8. Burning fossil fuels
endangered species
habitat preservation
products derived from the natural environment
name a human activity that contributes the most carbon dioxide to the atmosphere
9. Fires that are set by humans
Scientists determine current climate conditions by
prescribed fires
producer
decomposer
10. Water vapor and carbon dioxide that trap heat near the earth
food web
risk assessment
biological hazards
greenhouse gases
11. A region that has many different types of organism is described as having a high level of this
species diversity
risk assessment
sustainable yield
overfishing
12. Organism that carries pathogens
abiotic factor
vector
threatened
biodiversity
13. Are carefully controlled
abiotic factor
prescribed burns
captive breeding programs
selective cutting
14. The breaking of a habitat into smaller - isolated pieces
immigration
habitat fragmentation
food chain
carbon footprint
15. Chemicals that causes harm to embryos and fetuses
teratogens
insects
urban area
renewable sources
16. A consumer that eats only animals
rural area
how does sprawl increase carbon dioxide emissions
parasitism
carnivore
17. Viruses - bacteria and other organisms in the environment that harm human health
biological hazards
uncentered commercial strip development
resource management
predator
18. Watering crops
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19. A species in danger of becoming extinct in the near future
latitudinal gradient
epidemiology
endangered
conservation
20. The mating of animals in zoos or wildlife preserves
genetic diversity
carcinogens
greenhouse gases
captive breeding
21. Illegal killing or removal of wildlife from their habitats
renewable sources
habitat fragment
clear-cutting
poaching
22. The most direct way in which biodiverstiy can provide a source of income
ecotourism
sustainable cities can
rural area
automobile
23. A group of land ecosystems with similar climates and organisms
biomagnification
biome
food chain
Species Survival Plans (SSPs) goals
24. Shift of population from countryside to cities
threatened
prescribed fires
urbanization
insects
25. A resource that is either always available or is naturally replaced in a relatively short time
renewable resource
per capita land consumption
decomposer
an action that can reduce the greenhouse gas emissions caused by driving
26. Anything in the environment that is used by people is called a natural resource
ecosystem diversity
resource
pollution
fire suppression
27. Pollution from a factory near your school
biological hazards
carbon footprint
niche
give an example of a social hazard that cannot be easily controlled
28. Refers to an increase in Earth's average surface temperature
resource management
nodules
global warming
fishery
29. An area with a large population of valuable ocean organisms
biome
fishery
habitat fragment
scavenger
30. Provide wood
commensalism
risk
habitat destruction
economic value of forests
31. When fish are caught faster than they can breed - causing the populatio to decrease
overfishing
epidemiology
food web
carnivore
32. The amount of replacement is equal to the amount harvested
harvested sustainability is a renewable source IF
pathogen
global warming
scavenger
33. Causes a cooling effect
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34. Amount of land each person uses
habitat fragmentation
ecology
food chain
per capita land consumption
35. The practice of protecting the environment
conservation
renewable sources
producer
rural area
36. Cooking oil - fuel - and medicines
planting of new trees help reduce climate change by
Earth's fresh water is used mostly for
products derived from the natural environment
carrying capacity
37. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
threatened
poaching
species
A principal of smart growth
38. A relationship between two species in which both species benefit
debt-for-nature swap
mutualism
habitat preservation
nitrogen fixation
39. The disappearance of a particular population from a given area - but not from the entire species globally
urbanization
Scientists determine current climate conditions by
extirpation
conservation
40. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
habitat
habitat fragment
selective cutting
latitudinal gradient
41. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity
fishery
debt-for-nature swap
name a human activity that contributes the most carbon dioxide to the atmosphere
selective cutting
42. Any substance that poses a chemical hazard
habitat fragment
toxicant
captive breeding programs
competition
43. A virus or bacterium (organisms) that cause infectious diseases
pathogen
conservation
Smokey the Bear's message
teratogens
44. Concentrations of toxicants can be greatly multiplied with each step up the food chain
carcinogens
biomagnification
endangered species
herbivore
45. A relationship in which one organism lives on or in a host and harms it
genetic diversity
infants
selective cutting
parasitism
46. Moving into a population
immigration
prey
sustainable cities can
symbiosis
47. An environment that provides the things an organism needs to live - grow - and reproduce
extinction
habitat
high levels of biodiversity
scavenger
48. Chemical hazard that was once found in paint - young children are frequently tested for this
nodules
lead
habitat destruction
resource
49. A species that could become endangered in the near future
an action that can reduce the greenhouse gas emissions caused by driving
threatened
greenhouse gases
automobile
50. The clearing of a forest and replacing it with another land use
habitat preservation
deforestation
factors that cause different people to respond differently to environmental hazards
biggest danger posed by global warming to people living in coastal areas