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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. An organism that can make its own food
producer
Earth's fresh water is used mostly for
scavenger
risk assessment
2. A natural pattern in which species diversity generally increases toward the equator
latitudinal gradient
habitat
captive breeding programs
planting of new trees help reduce climate change by
3. An organism that breaks down wastes and dead organisms
mutualism
omnivore
clear-cutting
decomposer
4. The probability that a hazard will cause a harmful response
risk
prescribed burns
risk assessment
nonrenewable resource
5. Pollution from a factory near your school
insects
immigration
risk assessment
give an example of a social hazard that cannot be easily controlled
6. The practice of protecting the environment
carrying capacity
name examples of infrastructure
name a human activity that contributes the most carbon dioxide to the atmosphere
conservation
7. The series of changes that occur in an area where no soil or organisms exist
lead
primary succession
infants
threatened
8. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
species
debt-for-nature swap
habitat preservation
open space
9. A region that has many different types of organism is described as having a high level of this
open space
per capita land consumption
species diversity
harvested sustainability is a renewable source IF
10. Concentrations of toxicants can be greatly multiplied with each step up the food chain
threatened
carbon footprint
biggest danger posed by global warming to people living in coastal areas
biomagnification
11. Chemical hazard that was once found in paint - young children are frequently tested for this
high levels of biodiversity
lead
immigration
deforestation
12. Energy from the sun would be reflected back into space
If Earth did not have an atmosphere
captive breeding programs
toxicant
sustainable yield
13. An amount of a renewable resource that can be harvested regularly without reducing the future supply
sustainable yield
endangered species
pathogen
herbivore
14. The amount of carbon dioxide emissions for which an individual or group is responsible
infants
pollution
habitat preservation
carbon footprint
15. Soil - fresh water - wild animals - and timber
sustainable cities can
renewable sources
habitat
sustainable yield
16. Building up not out
A principal of smart growth
nitrogen fixation
extinction
global warming
17. Chemicals that cause cancer
threatened
carcinogens
habitat fragmentation
poaching
18. Shift of population from countryside to cities
threatened
species
urbanization
food web
19. Leaving a population
carrying capacity
threatened
emigration
debt-for-nature swap
20. Deals with biological hazards
renewable sources
epidemiology
overfishing
ecosystem diversity
21. Bumps on the roots of certain plants
environmental science
prey
nodules
infants
22. Burning fossil fuels
abiotic factor
name a human activity that contributes the most carbon dioxide to the atmosphere
high levels of biodiversity
wildlife corridor
23. Amount of land each person uses
per capita land consumption
renewable resource
endangered species
predator
24. A nonliving part of an organism's habitat
carbon footprint
extirpation
teratogens
abiotic factor
25. The most effective way of preserving biodiversity by protecting whole ecosystems
economic value of forests
habitat destruction
habitat preservation
endangered
26. Taking in carbon dioxide from the atmosphere during photosynthesis
scavenger
nitrogen fixation
planting of new trees help reduce climate change by
parasitism
27. A relationship in which one organism lives on or in a host and harms it
parasitism
renewable resource
habitat fragmentation
carbon footprint
28. Species that are carried to a new location by people
species diversity
exotic species
biome
wildlife corridor
29. A consumer that eats only animals
nodules
carnivore
threatened
decomposer
30. A form of decision-making concerned with the allocation and conservation of natural resources
resource management
prescribed burns
A principal of smart growth
resource
31. Contamination of land - water - or air
pollution
urban area
competition
predator
32. Cooking oil - fuel - and medicines
biggest danger posed by global warming to people living in coastal areas
immigration
A principal of smart growth
products derived from the natural environment
33. The pattern of overlapping food chains in an ecosystem
food web
biome
uncentered commercial strip development
fishery
34. The largest population that an area can support
population
an action that can reduce the greenhouse gas emissions caused by driving
emerging disease
carrying capacity
35. The process of changing free nitrogen gas into a usable form
give an example of a social hazard that cannot be easily controlled
nitrogen fixation
global warming
selective cutting
36. The disappearance of a particular population from a given area - but not from the entire species globally
mapping biodiversity hotspots
extirpation
planting of new trees help reduce climate change by
extinction
37. Provide wood
economic value of forests
biggest cause of biodiversity loss
carnivore
rural area
38. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates
food chain
commensalism
emerging disease
genetic diversity
39. A species that influences the survival of many others in an ecosystem
food chain
urbanization
prescribed fires
keystone species
40. A virus or bacterium (organisms) that cause infectious diseases
open space
pathogen
per capita land consumption
biodiversity
41. A relationship between two species in which one species benefits and the other is neither helped nor harmed
biotic factor
conservation
commensalism
name examples of land cover
42. Using public transportation
an action that can reduce the greenhouse gas emissions caused by driving
emigration
biggest cause of biodiversity loss
greenhouse gases
43. Moving into a population
carbon footprint
immigration
environmental science
poaching
44. Sex - weight - and health issues
factors that cause different people to respond differently to environmental hazards
mutualism
adaptation
lead
45. Organism that carries pathogens
urbanization
pollution
clear-cutting
vector
46. Are carefully controlled
prescribed burns
conservation
herbivore
species diversity
47. Causes a cooling effect
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48. A resource that is either always available or is naturally replaced in a relatively short time
give an example of a social hazard that cannot be easily controlled
endangered species
infants
renewable resource
49. Viruses - bacteria and other organisms in the environment that harm human health
biological hazards
prescribed burns
risk
fishery
50. Watering crops
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