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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. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
Smokey the Bear's message
scavenger
habitat fragment
herbivore
2. Has the highest amount of species diversity
Smokey the Bear's message
immigration
genetic diversity
insects
3. A consumer that eats only plants
prescribed burns
biological hazards
carcinogens
herbivore
4. The breaking of a habitat into smaller - isolated pieces
debt-for-nature swap
habitat fragmentation
risk assessment
overfishing
5. Concentrations of toxicants can be greatly multiplied with each step up the food chain
risk assessment
wildlife corridor
biomagnification
species diversity
6. Trees - grass - crops - wetlands - water - building and pavements
consumer
name examples of land cover
selective cutting
toxicant
7. Process of measuring the chance that an environmental hazard will cause harm
species diversity
risk assessment
omnivore
poaching
8. Habitat change and fragmentation
biggest cause of biodiversity loss
biological hazards
factors that cause different people to respond differently to environmental hazards
overfishing
9. An organism that breaks down wastes and dead organisms
decomposer
habitat preservation
pollution
Scientists determine current climate conditions by
10. A large area heavily populated like Miami - Florida or Toledo - Ohio
decomposer
urban area
renewable resource
global warming
11. Shift of population from countryside to cities
prescribed fires
emigration
urbanization
prey
12. The struggle between organisms to survive as they attempt to use the same limited resource
scavenger
latitudinal gradient
competition
genetic diversity
13. An organism that can make its own food
habitat preservation
products derived from the natural environment
competition
producer
14. Energy from the sun would be reflected back into space
endangered species
extirpation
rural area
If Earth did not have an atmosphere
15. 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
ecology
primary succession
an action that can reduce the greenhouse gas emissions caused by driving
emerging disease
16. When fish are caught faster than they can breed - causing the populatio to decrease
overfishing
ecotourism
clear-cutting
environmental science
17. A species that is at risk of extinction
uncentered commercial strip development
products derived from the natural environment
endangered species
conservation
18. The loss of a natural habitat
Scientists determine current climate conditions by
species
habitat destruction
habitat preservation
19. Using public transportation
prescribed burns
emigration
biodiversity
an action that can reduce the greenhouse gas emissions caused by driving
20. The form of transportation that uses the most energy per passenger mile
parasitism
vector
automobile
ecosystem diversity
21. A resource that is either always available or is naturally replaced in a relatively short time
clear-cutting
renewable resource
carbon footprint
immigration
22. Deals with biological hazards
habitat fragmentation
epidemiology
population
primary succession
23. Chemicals that causes harm to embryos and fetuses
endangered
risk
teratogens
nitrogen fixation
24. Transportation systems - communications systems - water services - power supplies - and schools
predator
name examples of infrastructure
open space
extirpation
25. A relationship between two species in which one species benefits and the other is neither helped nor harmed
risk assessment
commensalism
emerging disease
genetic diversity
26. The disappearance of all members of a species from Earth
scavenger
habitat destruction
extinction
risk
27. This draws people from urban areas to rural areas
open space
harvested sustainability is a renewable source IF
ecology
debt-for-nature swap
28. Causes a cooling effect
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29. A region that has many different types of organism is described as having a high level of this
Smokey the Bear's message
nitrogen fixation
species diversity
carnivore
30. An amount of a renewable resource that can be harvested regularly without reducing the future supply
mutualism
competition
scavenger
sustainable yield
31. Have a greater sensitivity to environmental hazards than any other group
omnivore
biome
sustainable yield
infants
32. A species in danger of becoming extinct in the near future
biggest danger posed by global warming to people living in coastal areas
risk assessment
endangered
commensalism
33. An organism that obtains energy by feeding on the other organisms
consumer
genetic diversity
niche
name a human activity that contributes the most carbon dioxide to the atmosphere
34. An area with a large population of valuable ocean organisms
population
fishery
harvested sustainability is a renewable source IF
poaching
35. Manage - protect and reintroduce threatened and endangered species
captive breeding programs
prescribed fires
sustainable cities can
Species Survival Plans (SSPs) goals
36. A behavior or physical characteristic that allows an organism to live successfully in its environment
prescribed fires
ecosystem diversity
biological hazards
adaptation
37. A consumer that eats only animals
habitat
predator
carnivore
genetic diversity
38. A species that influences the survival of many others in an ecosystem
resource management
urban area
keystone species
biome
39. A series of events in which one organism eats another and obtains energy
open space
immigration
exotic species
food chain
40. The clearing of a forest and replacing it with another land use
latitudinal gradient
deforestation
biodiversity
nodules
41. Moving into a population
symbiosis
carcinogens
carbon footprint
immigration
42. The pattern of overlapping food chains in an ecosystem
food web
urbanization
niche
carbon footprint
43. Can result in a decrease of property damage
fire suppression
name examples of infrastructure
poaching
biological hazards
44. A living part of an organism's habitat
extinction
adaptation
biotic factor
epidemiology
45. A natural pattern in which species diversity generally increases toward the equator
biodiversity
sustainable cities can
latitudinal gradient
primary succession
46. A group of land ecosystems with similar climates and organisms
sustainable cities can
harvested sustainability is a renewable source IF
biome
symbiosis
47. Viruses - bacteria and other organisms in the environment that harm human health
lead
carbon footprint
biological hazards
deforestation
48. An organism that is killed and eaten by another organism
extirpation
biodiversity
commensalism
prey
49. A species that could become endangered in the near future
urbanization
species diversity
keystone species
threatened
50. Help improve the standard of living for residents
economic value of forests
sustainable cities can
biological hazards
per capita land consumption