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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. A group of land ecosystems with similar climates and organisms
biome
exotic species
Smokey the Bear's message
biotic factor
2. The practice of protecting the environment
ecology
conservation
decomposer
economic value of forests
3. The loss of a natural habitat
renewable resource
urban area
fishery
habitat destruction
4. Shift of population from countryside to cities
clear-cutting
urbanization
give an example of a social hazard that cannot be easily controlled
Earth's fresh water is used mostly for
5. An organism that can make its own food
planting of new trees help reduce climate change by
fire suppression
Scientists determine current climate conditions by
producer
6. An organism that is killed and eaten by another organism
endangered
open space
biggest danger posed by global warming to people living in coastal areas
prey
7. An organism that breaks down wastes and dead organisms
decomposer
economic value of forests
ecotourism
mutualism
8. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates
captive breeding
resource management
poaching
genetic diversity
9. Anything in the environment that is used by people is called a natural resource
If Earth did not have an atmosphere
deforestation
fishery
resource
10. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
habitat fragment
poaching
Earth's fresh water is used mostly for
planting of new trees help reduce climate change by
11. A species in danger of becoming extinct in the near future
infants
consumer
habitat
endangered
12. Pollution from a factory near your school
give an example of a social hazard that cannot be easily controlled
biodiversity
If Earth did not have an atmosphere
infants
13. Help improve the standard of living for residents
Scientists determine current climate conditions by
global warming
fire suppression
sustainable cities can
14. A nonliving part of an organism's habitat
captive breeding programs
abiotic factor
per capita land consumption
emerging disease
15. Have a greater sensitivity to environmental hazards than any other group
biomagnification
infants
renewable resource
captive breeding programs
16. A species that influences the survival of many others in an ecosystem
habitat preservation
keystone species
infants
species
17. Amount of land each person uses
per capita land consumption
prescribed fires
scavenger
Smokey the Bear's message
18. The most effective way of preserving biodiversity by protecting whole ecosystems
fishery
overfishing
give an example of a social hazard that cannot be easily controlled
habitat preservation
19. A virus or bacterium (organisms) that cause infectious diseases
selective cutting
herbivore
pathogen
risk
20. One way zoos and aquariums help increase wildlife populations
nodules
habitat destruction
symbiosis
captive breeding programs
21. Transportation systems - communications systems - water services - power supplies - and schools
name examples of infrastructure
products derived from the natural environment
toxicant
biggest cause of biodiversity loss
22. Contamination of land - water - or air
habitat fragmentation
biomagnification
pollution
commensalism
23. Water vapor and carbon dioxide that trap heat near the earth
greenhouse gases
omnivore
ecotourism
give an example of a social hazard that cannot be easily controlled
24. Burning fossil fuels
endangered species
sustainable yield
name a human activity that contributes the most carbon dioxide to the atmosphere
teratogens
25. Chemical hazard that was once found in paint - young children are frequently tested for this
If Earth did not have an atmosphere
products derived from the natural environment
niche
lead
26. A close relationship between two species that benefits at least one of the species
biomagnification
threatened
symbiosis
habitat fragment
27. Organism that carries pathogens
wildlife corridor
harvested sustainability is a renewable source IF
vector
urban area
28. An example of a method for managing whole ecosystems and habitats
teratogens
mapping biodiversity hotspots
competition
biomagnification
29. A consumer that eats only plants
Scientists determine current climate conditions by
herbivore
prescribed fires
fire suppression
30. Resulted in suppression of all forest fires
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31. A series of events in which one organism eats another and obtains energy
mapping biodiversity hotspots
habitat fragment
food chain
immigration
32. Species that are carried to a new location by people
the ocean's absorption of carbon dioxide ...
Species Survival Plans (SSPs) goals
endangered
exotic species
33. Habitat change and fragmentation
endangered species
name a human activity that contributes the most carbon dioxide to the atmosphere
biggest cause of biodiversity loss
toxicant
34. Process of measuring the chance that an environmental hazard will cause harm
ecotourism
risk assessment
vector
factors that cause different people to respond differently to environmental hazards
35. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
biological hazards
threatened
species
Smokey the Bear's message
36. A form of decision-making concerned with the allocation and conservation of natural resources
deforestation
resource management
habitat fragment
ecotourism
37. Taking in carbon dioxide from the atmosphere during photosynthesis
threatened
planting of new trees help reduce climate change by
an action that can reduce the greenhouse gas emissions caused by driving
nonrenewable resource
38. Has the highest amount of species diversity
sustainable yield
Species Survival Plans (SSPs) goals
insects
Smokey the Bear's message
39. A consumer that eats both plants and animals
warming temperatures
endangered species
omnivore
rural area
40. Refers to an increase in Earth's average surface temperature
prescribed fires
mutualism
pathogen
global warming
41. An area with a large population of valuable ocean organisms
fishery
latitudinal gradient
name examples of land cover
renewable resource
42. A natural resource that is not replaced in a useful time frame
extirpation
decomposer
habitat fragment
nonrenewable resource
43. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude
warming temperatures
pathogen
clear-cutting
habitat preservation
44. Concentrations of toxicants can be greatly multiplied with each step up the food chain
food web
clear-cutting
biomagnification
planting of new trees help reduce climate change by
45. The disappearance of a particular population from a given area - but not from the entire species globally
A principal of smart growth
global warming
extirpation
ecosystem diversity
46. The series of changes that occur in an area where no soil or organisms exist
primary succession
Smokey the Bear's message
omnivore
high levels of biodiversity
47. A carnivore that feeds on the bodies of dead organisms
scavenger
endangered species
Earth's fresh water is used mostly for
rural area
48. A consumer that eats only animals
carnivore
prescribed fires
clear-cutting
Species Survival Plans (SSPs) goals
49. Soil - fresh water - wild animals - and timber
resource
sustainable yield
risk
renewable sources
50. The mating of animals in zoos or wildlife preserves
captive breeding
the ocean's absorption of carbon dioxide ...
biotic factor
carcinogens