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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. Chemicals that cause cancer
habitat preservation
the ocean's absorption of carbon dioxide ...
biggest danger posed by global warming to people living in coastal areas
carcinogens
2. An organism that breaks down wastes and dead organisms
immigration
carnivore
decomposer
open space
3. Chemicals that causes harm to embryos and fetuses
exotic species
an action that can reduce the greenhouse gas emissions caused by driving
omnivore
teratogens
4. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
captive breeding
sustainable cities can
keystone species
wildlife corridor
5. Contamination of land - water - or air
how does sprawl increase carbon dioxide emissions
teratogens
pollution
secondary succession
6. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity
greenhouse gases
open space
debt-for-nature swap
harvested sustainability is a renewable source IF
7. A relationship in which one organism lives on or in a host and harms it
biodiversity
symbiosis
prey
parasitism
8. One way zoos and aquariums help increase wildlife populations
teratogens
captive breeding programs
Smokey the Bear's message
conservation
9. Leaving a population
nonrenewable resource
emerging disease
emigration
captive breeding
10. A large area heavily populated like Miami - Florida or Toledo - Ohio
extirpation
producer
selective cutting
urban area
11. A natural pattern in which species diversity generally increases toward the equator
endangered species
emigration
carnivore
latitudinal gradient
12. A relationship between two species in which both species benefit
mutualism
greenhouse gases
fire suppression
exotic species
13. Soil - fresh water - wild animals - and timber
renewable sources
carbon footprint
products derived from the natural environment
urban area
14. Making direct measurements
decomposer
Scientists determine current climate conditions by
factors that cause different people to respond differently to environmental hazards
carnivore
15. An organism that can make its own food
the ocean's absorption of carbon dioxide ...
producer
exotic species
poaching
16. The breaking of a habitat into smaller - isolated pieces
extinction
species diversity
habitat fragmentation
scavenger
17. The amount of carbon dioxide emissions for which an individual or group is responsible
biggest cause of biodiversity loss
niche
habitat fragmentation
carbon footprint
18. Trees - grass - crops - wetlands - water - building and pavements
pollution
habitat destruction
genetic diversity
name examples of land cover
19. The most direct way in which biodiverstiy can provide a source of income
consumer
ecotourism
secondary succession
Species Survival Plans (SSPs) goals
20. This draws people from urban areas to rural areas
greenhouse gases
primary succession
open space
herbivore
21. A species that is at risk of extinction
endangered species
automobile
per capita land consumption
habitat destruction
22. The disappearance of all members of a species from Earth
rural area
extinction
parasitism
renewable sources
23. A region that has many different types of organism is described as having a high level of this
parasitism
species diversity
rural area
noise polution
24. The practice of protecting the environment
conservation
biggest cause of biodiversity loss
Species Survival Plans (SSPs) goals
economic value of forests
25. The struggle between organisms to survive as they attempt to use the same limited resource
food web
captive breeding
competition
wildlife corridor
26. Illegal killing or removal of wildlife from their habitats
greenhouse gases
biggest cause of biodiversity loss
Smokey the Bear's message
poaching
27. Land that is sparsely populated and has few buildings or roads
lead
decomposer
rural area
how does sprawl increase carbon dioxide emissions
28. A species that influences the survival of many others in an ecosystem
keystone species
A principal of smart growth
pollution
noise polution
29. The process of cutting down all the trees in an area at once
clear-cutting
omnivore
abiotic factor
commensalism
30. A carnivore that feeds on the bodies of dead organisms
biological hazards
uncentered commercial strip development
species diversity
scavenger
31. A natural resource that is not replaced in a useful time frame
nonrenewable resource
urbanization
habitat fragmentation
extirpation
32. A species that could become endangered in the near future
epidemiology
automobile
prescribed burns
threatened
33. A living part of an organism's habitat
biggest cause of biodiversity loss
debt-for-nature swap
carbon footprint
biotic factor
34. Using public transportation
the ocean's absorption of carbon dioxide ...
environmental science
an action that can reduce the greenhouse gas emissions caused by driving
carcinogens
35. The largest population that an area can support
secondary succession
fishery
producer
carrying capacity
36. The probability that a hazard will cause a harmful response
risk
secondary succession
warming temperatures
abiotic factor
37. An example of a method for managing whole ecosystems and habitats
predator
mapping biodiversity hotspots
habitat preservation
food chain
38. The role of an organism in its habitat - or how it makes its living
genetic diversity
factors that cause different people to respond differently to environmental hazards
urban area
niche
39. Fires that are set by humans
risk assessment
sustainable yield
Earth's fresh water is used mostly for
prescribed fires
40. A consumer that eats both plants and animals
resource
omnivore
abiotic factor
habitat preservation
41. The disappearance of a particular population from a given area - but not from the entire species globally
If Earth did not have an atmosphere
keystone species
extirpation
high levels of biodiversity
42. A consumer that eats only animals
carcinogens
keystone species
planting of new trees help reduce climate change by
carnivore
43. Burning fossil fuels
habitat destruction
an action that can reduce the greenhouse gas emissions caused by driving
If Earth did not have an atmosphere
name a human activity that contributes the most carbon dioxide to the atmosphere
44. Organism that carries pathogens
lead
habitat fragment
biotic factor
vector
45. The number of different species in an area
captive breeding programs
Scientists determine current climate conditions by
genetic diversity
biodiversity
46. A virus or bacterium (organisms) that cause infectious diseases
ecotourism
fishery
pathogen
biggest cause of biodiversity loss
47. The amount of replacement is equal to the amount harvested
fishery
Smokey the Bear's message
secondary succession
harvested sustainability is a renewable source IF
48. Process of measuring the chance that an environmental hazard will cause harm
risk assessment
poaching
give an example of a social hazard that cannot be easily controlled
carbon footprint
49. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
planting of new trees help reduce climate change by
ecosystem diversity
resource management
habitat fragment
50. Increase the stability of an ecosystem
poaching
automobile
warming temperatures
high levels of biodiversity