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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 series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
open space
name examples of infrastructure
secondary succession
prescribed burns
2. The practice of protecting the environment
give an example of a social hazard that cannot be easily controlled
emigration
keystone species
conservation
3. An organism that can make its own food
species
producer
commensalism
biological hazards
4. Are carefully controlled
captive breeding programs
lead
habitat
prescribed burns
5. A consumer that eats only animals
habitat fragmentation
carnivore
nodules
mapping biodiversity hotspots
6. Chemicals that cause cancer
renewable sources
deforestation
carcinogens
mutualism
7. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates
debt-for-nature swap
genetic diversity
urban area
economic value of forests
8. A virus or bacterium (organisms) that cause infectious diseases
environmental science
ecology
infants
pathogen
9. The loss of a natural habitat
habitat destruction
conservation
genetic diversity
competition
10. Businesses are arranged in a long row along a roadway - with no main community
Species Survival Plans (SSPs) goals
omnivore
biological hazards
uncentered commercial strip development
11. Chemicals that causes harm to embryos and fetuses
open space
mutualism
insects
teratogens
12. Causes a cooling effect
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13. A group of land ecosystems with similar climates and organisms
competition
primary succession
biome
renewable resource
14. A consumer that eats only plants
resource
herbivore
A principal of smart growth
carcinogens
15. The organism that does the killing in a predation interaction
renewable resource
nodules
overfishing
predator
16. The number of different species in an area
biodiversity
ecotourism
biomagnification
keystone species
17. A resource that is either always available or is naturally replaced in a relatively short time
herbivore
scavenger
renewable resource
threatened
18. A relationship between two species in which both species benefit
habitat preservation
sustainable cities can
mutualism
predator
19. Contamination of land - water - or air
pollution
extirpation
niche
biodiversity
20. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
ecosystem diversity
biodiversity
species
biggest danger posed by global warming to people living in coastal areas
21. The most effective way of preserving biodiversity by protecting whole ecosystems
ecosystem diversity
population
habitat preservation
deforestation
22. A nonliving part of an organism's habitat
biodiversity
toxicant
abiotic factor
carnivore
23. Trees - grass - crops - wetlands - water - building and pavements
symbiosis
fishery
name examples of land cover
nitrogen fixation
24. An example of a method for managing whole ecosystems and habitats
warming temperatures
insects
mapping biodiversity hotspots
uncentered commercial strip development
25. The role of an organism in its habitat - or how it makes its living
niche
carcinogens
primary succession
Scientists determine current climate conditions by
26. The breaking of a habitat into smaller - isolated pieces
renewable resource
habitat fragmentation
harvested sustainability is a renewable source IF
adaptation
27. A series of events in which one organism eats another and obtains energy
food chain
insects
environmental science
renewable sources
28. Loud noises in the air like jack hammers - loud car stereos - etc...
deforestation
noise polution
niche
omnivore
29. Any substance that poses a chemical hazard
toxicant
resource management
mutualism
teratogens
30. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
decomposer
habitat fragment
biomagnification
prey
31. An organism that is killed and eaten by another organism
prey
name examples of land cover
captive breeding
noise polution
32. A natural resource that is not replaced in a useful time frame
risk
nonrenewable resource
debt-for-nature swap
name a human activity that contributes the most carbon dioxide to the atmosphere
33. The pattern of overlapping food chains in an ecosystem
genetic diversity
food web
pathogen
captive breeding programs
34. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
name a human activity that contributes the most carbon dioxide to the atmosphere
prey
conservation
wildlife corridor
35. The most direct way in which biodiverstiy can provide a source of income
primary succession
toxicant
sustainable yield
ecotourism
36. The amount of carbon dioxide emissions for which an individual or group is responsible
planting of new trees help reduce climate change by
carbon footprint
food chain
scavenger
37. Building up not out
prescribed fires
biggest cause of biodiversity loss
exotic species
A principal of smart growth
38. Help improve the standard of living for residents
carbon footprint
habitat
captive breeding programs
sustainable cities can
39. The process of changing free nitrogen gas into a usable form
herbivore
nitrogen fixation
If Earth did not have an atmosphere
uncentered commercial strip development
40. Making direct measurements
Scientists determine current climate conditions by
ecotourism
biomagnification
emigration
41. Organism that carries pathogens
Smokey the Bear's message
Species Survival Plans (SSPs) goals
biggest danger posed by global warming to people living in coastal areas
vector
42. A behavior or physical characteristic that allows an organism to live successfully in its environment
endangered species
food chain
adaptation
emigration
43. A species that could become endangered in the near future
global warming
threatened
harvested sustainability is a renewable source IF
commensalism
44. Watering crops
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45. Habitat change and fragmentation
biggest cause of biodiversity loss
nonrenewable resource
mapping biodiversity hotspots
latitudinal gradient
46. An organism that breaks down wastes and dead organisms
habitat destruction
decomposer
carcinogens
herbivore
47. Manage - protect and reintroduce threatened and endangered species
mutualism
rural area
Species Survival Plans (SSPs) goals
automobile
48. A species that influences the survival of many others in an ecosystem
nonrenewable resource
Smokey the Bear's message
captive breeding programs
keystone species
49. A region that has many different types of organism is described as having a high level of this
resource
conservation
species diversity
pollution
50. Sex - weight - and health issues
pollution
factors that cause different people to respond differently to environmental hazards
predator
extirpation