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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 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
emerging disease
biggest danger posed by global warming to people living in coastal areas
warming temperatures
abiotic factor
2. A living part of an organism's habitat
food web
global warming
competition
biotic factor
3. Species that are carried to a new location by people
Smokey the Bear's message
habitat destruction
exotic species
biological hazards
4. The form of transportation that uses the most energy per passenger mile
automobile
insects
herbivore
species diversity
5. Refers to an increase in Earth's average surface temperature
deforestation
biotic factor
global warming
competition
6. Watering crops
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7. Chemicals that cause cancer
carcinogens
ecotourism
greenhouse gases
prey
8. Manage - protect and reintroduce threatened and endangered species
debt-for-nature swap
ecosystem diversity
ecotourism
Species Survival Plans (SSPs) goals
9. Building up not out
symbiosis
sustainable cities can
A principal of smart growth
extinction
10. A series of events in which one organism eats another and obtains energy
selective cutting
food chain
carrying capacity
biome
11. A species that influences the survival of many others in an ecosystem
keystone species
abiotic factor
species diversity
infants
12. Moving into a population
immigration
ecosystem diversity
prey
Earth's fresh water is used mostly for
13. An organism that is killed and eaten by another organism
name a human activity that contributes the most carbon dioxide to the atmosphere
species diversity
immigration
prey
14. The mating of animals in zoos or wildlife preserves
uncentered commercial strip development
overfishing
captive breeding
give an example of a social hazard that cannot be easily controlled
15. The highest level of biodiversity
Earth's fresh water is used mostly for
ecosystem diversity
fishery
resource
16. A region that has many different types of organism is described as having a high level of this
primary succession
greenhouse gases
competition
species diversity
17. The most direct way in which biodiverstiy can provide a source of income
A principal of smart growth
ecotourism
urbanization
name examples of infrastructure
18. A consumer that eats only plants
pathogen
name examples of infrastructure
herbivore
producer
19. All the members of one species in a particular area
give an example of a social hazard that cannot be easily controlled
decomposer
population
exotic species
20. A relationship in which one organism lives on or in a host and harms it
habitat preservation
predator
overfishing
parasitism
21. Are carefully controlled
prey
clear-cutting
prescribed burns
wildlife corridor
22. Viruses - bacteria and other organisms in the environment that harm human health
how does sprawl increase carbon dioxide emissions
pathogen
biological hazards
nodules
23. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
Smokey the Bear's message
species
pollution
emigration
24. The loss of a natural habitat
carnivore
biomagnification
If Earth did not have an atmosphere
habitat destruction
25. An environment that provides the things an organism needs to live - grow - and reproduce
pathogen
abiotic factor
captive breeding programs
habitat
26. The probability that a hazard will cause a harmful response
nitrogen fixation
risk
selective cutting
name a human activity that contributes the most carbon dioxide to the atmosphere
27. A natural resource that is not replaced in a useful time frame
urbanization
open space
give an example of a social hazard that cannot be easily controlled
nonrenewable resource
28. When fish are caught faster than they can breed - causing the populatio to decrease
how does sprawl increase carbon dioxide emissions
overfishing
uncentered commercial strip development
name a human activity that contributes the most carbon dioxide to the atmosphere
29. An organism that breaks down wastes and dead organisms
predator
decomposer
food web
habitat
30. Water vapor and carbon dioxide that trap heat near the earth
greenhouse gases
prescribed fires
Smokey the Bear's message
habitat preservation
31. Shift of population from countryside to cities
If Earth did not have an atmosphere
urbanization
food chain
pathogen
32. The study of how living things interact with each other and their environment
wildlife corridor
ecology
toxicant
fire suppression
33. A natural pattern in which species diversity generally increases toward the equator
If Earth did not have an atmosphere
Species Survival Plans (SSPs) goals
latitudinal gradient
mutualism
34. A species in danger of becoming extinct in the near future
decomposer
primary succession
genetic diversity
endangered
35. The process of cutting down all the trees in an area at once
factors that cause different people to respond differently to environmental hazards
symbiosis
clear-cutting
If Earth did not have an atmosphere
36. Rising sea level
fire suppression
ecology
biggest danger posed by global warming to people living in coastal areas
infants
37. The clearing of a forest and replacing it with another land use
deforestation
niche
teratogens
threatened
38. Illegal killing or removal of wildlife from their habitats
poaching
scavenger
an action that can reduce the greenhouse gas emissions caused by driving
urbanization
39. Causes a cooling effect
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40. Leaving a population
emigration
commensalism
carbon footprint
insects
41. Soil - fresh water - wild animals - and timber
biological hazards
food web
renewable sources
biotic factor
42. The disappearance of all members of a species from Earth
open space
extinction
Smokey the Bear's message
population
43. Bumps on the roots of certain plants
automobile
overfishing
emigration
nodules
44. Chemicals that causes harm to embryos and fetuses
habitat fragmentation
uncentered commercial strip development
high levels of biodiversity
teratogens
45. The process of changing free nitrogen gas into a usable form
nitrogen fixation
urbanization
sustainable yield
habitat
46. A species that is at risk of extinction
commensalism
pollution
endangered species
biome
47. A behavior or physical characteristic that allows an organism to live successfully in its environment
habitat fragment
environmental science
decomposer
adaptation
48. Concentrations of toxicants can be greatly multiplied with each step up the food chain
pollution
biomagnification
decomposer
pathogen
49. The largest population that an area can support
carrying capacity
food chain
herbivore
emerging disease
50. Organism that carries pathogens
parasitism
insects
deforestation
vector