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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 relationship between two species in which one species benefits and the other is neither helped nor harmed
vector
infants
Earth's fresh water is used mostly for
commensalism
2. The organism that does the killing in a predation interaction
how does sprawl increase carbon dioxide emissions
mapping biodiversity hotspots
predator
food web
3. The practice of protecting the environment
open space
scavenger
conservation
commensalism
4. A group of land ecosystems with similar climates and organisms
biome
fishery
exotic species
abiotic factor
5. An organism that can make its own food
omnivore
producer
scavenger
prescribed fires
6. An example of a method for managing whole ecosystems and habitats
global warming
secondary succession
mapping biodiversity hotspots
biological hazards
7. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
biomagnification
food chain
habitat fragment
lead
8. Contamination of land - water - or air
pollution
pathogen
exotic species
scavenger
9. An environment that provides the things an organism needs to live - grow - and reproduce
omnivore
habitat
habitat destruction
carrying capacity
10. Provide wood
captive breeding programs
economic value of forests
name examples of land cover
emerging disease
11. A behavior or physical characteristic that allows an organism to live successfully in its environment
biggest danger posed by global warming to people living in coastal areas
wildlife corridor
nodules
adaptation
12. The process of cutting down all the trees in an area at once
clear-cutting
carnivore
vector
prescribed fires
13. Chemical hazard that was once found in paint - young children are frequently tested for this
lead
habitat fragment
habitat preservation
scavenger
14. One way zoos and aquariums help increase wildlife populations
secondary succession
name a human activity that contributes the most carbon dioxide to the atmosphere
ecotourism
captive breeding programs
15. Viruses - bacteria and other organisms in the environment that harm human health
sustainable yield
biological hazards
pollution
biomagnification
16. Concentrations of toxicants can be greatly multiplied with each step up the food chain
niche
nodules
products derived from the natural environment
biomagnification
17. The process of cutting down only some trees in an area
parasitism
high levels of biodiversity
decomposer
selective cutting
18. All the members of one species in a particular area
captive breeding programs
habitat
population
pathogen
19. Chemicals that causes harm to embryos and fetuses
A principal of smart growth
teratogens
If Earth did not have an atmosphere
Scientists determine current climate conditions by
20. Causes a cooling effect
21. The amount of replacement is equal to the amount harvested
insects
harvested sustainability is a renewable source IF
epidemiology
teratogens
22. Help improve the standard of living for residents
resource
nodules
sustainable cities can
vector
23. 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
products derived from the natural environment
emerging disease
omnivore
the ocean's absorption of carbon dioxide ...
24. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
warming temperatures
food web
noise polution
secondary succession
25. Energy from the sun would be reflected back into space
If Earth did not have an atmosphere
an action that can reduce the greenhouse gas emissions caused by driving
competition
extinction
26. Watering crops
27. A virus or bacterium (organisms) that cause infectious diseases
pathogen
biggest danger posed by global warming to people living in coastal areas
commensalism
name a human activity that contributes the most carbon dioxide to the atmosphere
28. Loud noises in the air like jack hammers - loud car stereos - etc...
factors that cause different people to respond differently to environmental hazards
fishery
habitat destruction
noise polution
29. Species that are carried to a new location by people
biggest danger posed by global warming to people living in coastal areas
exotic species
pollution
factors that cause different people to respond differently to environmental hazards
30. The role of an organism in its habitat - or how it makes its living
overfishing
A principal of smart growth
food web
niche
31. Transportation systems - communications systems - water services - power supplies - and schools
name examples of infrastructure
carnivore
keystone species
habitat fragmentation
32. The loss of a natural habitat
renewable sources
habitat destruction
urbanization
economic value of forests
33. Manage - protect and reintroduce threatened and endangered species
habitat
overfishing
insects
Species Survival Plans (SSPs) goals
34. The breaking of a habitat into smaller - isolated pieces
habitat fragmentation
decomposer
food web
planting of new trees help reduce climate change by
35. A close relationship between two species that benefits at least one of the species
symbiosis
name examples of land cover
deforestation
prey
36. Process of measuring the chance that an environmental hazard will cause harm
ecotourism
biome
carcinogens
risk assessment
37. Refers to an increase in Earth's average surface temperature
captive breeding
global warming
deforestation
threatened
38. Has the highest amount of species diversity
insects
biotic factor
ecosystem diversity
fishery
39. Are carefully controlled
overfishing
prescribed burns
fire suppression
lead
40. Soil - fresh water - wild animals - and timber
captive breeding programs
biome
renewable resource
renewable sources
41. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
wildlife corridor
deforestation
symbiosis
biome
42. Anything in the environment that is used by people is called a natural resource
insects
biggest cause of biodiversity loss
Scientists determine current climate conditions by
resource
43. Any substance that poses a chemical hazard
toxicant
factors that cause different people to respond differently to environmental hazards
noise polution
species diversity
44. A species that influences the survival of many others in an ecosystem
secondary succession
keystone species
captive breeding programs
niche
45. The most effective way of preserving biodiversity by protecting whole ecosystems
Smokey the Bear's message
Species Survival Plans (SSPs) goals
nodules
habitat preservation
46. A species that is at risk of extinction
Scientists determine current climate conditions by
species
selective cutting
endangered species
47. The pattern of overlapping food chains in an ecosystem
nonrenewable resource
automobile
omnivore
food web
48. A relationship in which one organism lives on or in a host and harms it
nodules
carnivore
parasitism
immigration
49. Pollution from a factory near your school
give an example of a social hazard that cannot be easily controlled
conservation
ecotourism
biomagnification
50. The process of changing free nitrogen gas into a usable form
Species Survival Plans (SSPs) goals
secondary succession
predator
nitrogen fixation