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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 species that influences the survival of many others in an ecosystem
keystone species
resource management
renewable sources
toxicant
2. The most direct way in which biodiverstiy can provide a source of income
toxicant
secondary succession
ecotourism
captive breeding programs
3. Transportation systems - communications systems - water services - power supplies - and schools
mutualism
urbanization
population
name examples of infrastructure
4. Are carefully controlled
sustainable yield
risk
renewable sources
prescribed burns
5. The number of different species in an area
habitat destruction
teratogens
habitat preservation
biodiversity
6. Trees - grass - crops - wetlands - water - building and pavements
carrying capacity
name examples of land cover
keystone species
ecotourism
7. A region that has many different types of organism is described as having a high level of this
deforestation
name examples of infrastructure
mutualism
species diversity
8. Habitat change and fragmentation
scavenger
Smokey the Bear's message
biggest cause of biodiversity loss
carnivore
9. A relationship in which one organism lives on or in a host and harms it
the ocean's absorption of carbon dioxide ...
food chain
give an example of a social hazard that cannot be easily controlled
parasitism
10. Any substance that poses a chemical hazard
uncentered commercial strip development
keystone species
Scientists determine current climate conditions by
toxicant
11. The pattern of overlapping food chains in an ecosystem
Earth's fresh water is used mostly for
resource management
nonrenewable resource
food web
12. A natural resource that is not replaced in a useful time frame
adaptation
open space
prescribed fires
nonrenewable resource
13. Viruses - bacteria and other organisms in the environment that harm human health
biological hazards
producer
captive breeding
niche
14. Can result in a decrease of property damage
fire suppression
prescribed fires
urbanization
If Earth did not have an atmosphere
15. A resource that is either always available or is naturally replaced in a relatively short time
renewable resource
poaching
parasitism
infants
16. An area with a large population of valuable ocean organisms
commensalism
fishery
overfishing
nitrogen fixation
17. A consumer that eats only animals
carnivore
habitat destruction
an action that can reduce the greenhouse gas emissions caused by driving
pollution
18. Leaving a population
symbiosis
emigration
genetic diversity
mapping biodiversity hotspots
19. Concentrations of toxicants can be greatly multiplied with each step up the food chain
consumer
biomagnification
conservation
how does sprawl increase carbon dioxide emissions
20. Burning fossil fuels
commensalism
ecotourism
risk assessment
name a human activity that contributes the most carbon dioxide to the atmosphere
21. The organism that does the killing in a predation interaction
clear-cutting
population
predator
habitat destruction
22. Anything in the environment that is used by people is called a natural resource
factors that cause different people to respond differently to environmental hazards
immigration
vector
resource
23. Causes a cooling effect
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24. Resulted in suppression of all forest fires
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25. A nonliving part of an organism's habitat
abiotic factor
name examples of land cover
environmental science
captive breeding programs
26. An example of a method for managing whole ecosystems and habitats
mapping biodiversity hotspots
pollution
species
endangered
27. The study of the natural processes that occur in the environment and how humans can affect them
biggest danger posed by global warming to people living in coastal areas
environmental science
name examples of infrastructure
overfishing
28. An organism that is killed and eaten by another organism
prey
global warming
secondary succession
carbon footprint
29. 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
prescribed fires
emerging disease
high levels of biodiversity
carbon footprint
30. Manage - protect and reintroduce threatened and endangered species
Species Survival Plans (SSPs) goals
an action that can reduce the greenhouse gas emissions caused by driving
harvested sustainability is a renewable source IF
immigration
31. Shift of population from countryside to cities
urbanization
biotic factor
ecosystem diversity
habitat preservation
32. Watering crops
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33. A living part of an organism's habitat
biotic factor
wildlife corridor
biomagnification
name examples of infrastructure
34. When fish are caught faster than they can breed - causing the populatio to decrease
biggest cause of biodiversity loss
habitat preservation
overfishing
nodules
35. A close relationship between two species that benefits at least one of the species
symbiosis
habitat
habitat destruction
mutualism
36. Refers to an increase in Earth's average surface temperature
global warming
omnivore
keystone species
biological hazards
37. A consumer that eats only plants
adaptation
conservation
herbivore
symbiosis
38. Provide wood
poaching
economic value of forests
abiotic factor
selective cutting
39. Has the highest amount of species diversity
insects
scavenger
niche
automobile
40. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity
open space
biomagnification
automobile
debt-for-nature swap
41. A species that is at risk of extinction
A principal of smart growth
decomposer
endangered species
symbiosis
42. Soil - fresh water - wild animals - and timber
renewable sources
greenhouse gases
how does sprawl increase carbon dioxide emissions
population
43. Taking in carbon dioxide from the atmosphere during photosynthesis
ecotourism
emigration
an action that can reduce the greenhouse gas emissions caused by driving
planting of new trees help reduce climate change by
44. Bumps on the roots of certain plants
selective cutting
captive breeding programs
sustainable cities can
nodules
45. The largest population that an area can support
habitat preservation
carrying capacity
Species Survival Plans (SSPs) goals
epidemiology
46. Using public transportation
parasitism
an action that can reduce the greenhouse gas emissions caused by driving
herbivore
biotic factor
47. The highest level of biodiversity
risk
commensalism
ecosystem diversity
pathogen
48. Sex - weight - and health issues
factors that cause different people to respond differently to environmental hazards
risk
resource management
name a human activity that contributes the most carbon dioxide to the atmosphere
49. Loud noises in the air like jack hammers - loud car stereos - etc...
scavenger
pollution
sustainable yield
noise polution
50. A behavior or physical characteristic that allows an organism to live successfully in its environment
consumer
carbon footprint
adaptation
decomposer