SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Energy from the sun would be reflected back into space
carbon footprint
If Earth did not have an atmosphere
fire suppression
sustainable cities can
2. A consumer that eats only animals
symbiosis
prescribed burns
carnivore
habitat preservation
3. The study of how living things interact with each other and their environment
an action that can reduce the greenhouse gas emissions caused by driving
ecology
Scientists determine current climate conditions by
open space
4. A virus or bacterium (organisms) that cause infectious diseases
risk assessment
pathogen
rural area
predator
5. Pollution from a factory near your school
ecotourism
automobile
give an example of a social hazard that cannot be easily controlled
secondary succession
6. A series of events in which one organism eats another and obtains energy
carbon footprint
Scientists determine current climate conditions by
renewable resource
food chain
7. Have a greater sensitivity to environmental hazards than any other group
the ocean's absorption of carbon dioxide ...
population
infants
wildlife corridor
8. The practice of protecting the environment
automobile
conservation
emerging disease
give an example of a social hazard that cannot be easily controlled
9. Amount of land each person uses
per capita land consumption
exotic species
harvested sustainability is a renewable source IF
habitat
10. An organism that is killed and eaten by another organism
wildlife corridor
fishery
name a human activity that contributes the most carbon dioxide to the atmosphere
prey
11. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude
environmental science
warming temperatures
Scientists determine current climate conditions by
food web
12. The organism that does the killing in a predation interaction
habitat fragment
nitrogen fixation
predator
immigration
13. Cooking oil - fuel - and medicines
ecosystem diversity
products derived from the natural environment
scavenger
teratogens
14. The process of cutting down all the trees in an area at once
resource
clear-cutting
carcinogens
keystone species
15. The struggle between organisms to survive as they attempt to use the same limited resource
food web
producer
open space
competition
16. Bumps on the roots of certain plants
Species Survival Plans (SSPs) goals
nodules
nitrogen fixation
emerging disease
17. A nonliving part of an organism's habitat
prescribed fires
abiotic factor
latitudinal gradient
captive breeding
18. Transportation systems - communications systems - water services - power supplies - and schools
give an example of a social hazard that cannot be easily controlled
scavenger
high levels of biodiversity
name examples of infrastructure
19. Contamination of land - water - or air
selective cutting
pollution
herbivore
Species Survival Plans (SSPs) goals
20. A species that is at risk of extinction
biggest cause of biodiversity loss
carbon footprint
name a human activity that contributes the most carbon dioxide to the atmosphere
endangered species
21. An organism that can make its own food
producer
food chain
infants
high levels of biodiversity
22. An amount of a renewable resource that can be harvested regularly without reducing the future supply
species
biggest cause of biodiversity loss
sustainable yield
primary succession
23. Can result in a decrease of property damage
fire suppression
warming temperatures
producer
lead
24. The amount of replacement is equal to the amount harvested
nonrenewable resource
habitat preservation
harvested sustainability is a renewable source IF
per capita land consumption
25. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
resource
biotic factor
high levels of biodiversity
species
26. Businesses are arranged in a long row along a roadway - with no main community
sustainable yield
uncentered commercial strip development
habitat fragmentation
deforestation
27. The amount of carbon dioxide emissions for which an individual or group is responsible
biotic factor
carbon footprint
lead
captive breeding
28. Process of measuring the chance that an environmental hazard will cause harm
scavenger
risk assessment
fire suppression
population
29. Species that are carried to a new location by people
exotic species
species diversity
primary succession
captive breeding programs
30. Using public transportation
habitat destruction
planting of new trees help reduce climate change by
the ocean's absorption of carbon dioxide ...
an action that can reduce the greenhouse gas emissions caused by driving
31. The process of changing free nitrogen gas into a usable form
herbivore
nitrogen fixation
teratogens
noise polution
32. The probability that a hazard will cause a harmful response
conservation
habitat fragment
risk
decomposer
33. A natural pattern in which species diversity generally increases toward the equator
open space
consumer
latitudinal gradient
primary succession
34. The series of changes that occur in an area where no soil or organisms exist
extirpation
prescribed fires
primary succession
economic value of forests
35. Chemicals that cause cancer
fishery
factors that cause different people to respond differently to environmental hazards
carcinogens
genetic diversity
36. The number of different species in an area
biomagnification
overfishing
deforestation
biodiversity
37. A species in danger of becoming extinct in the near future
Earth's fresh water is used mostly for
captive breeding programs
endangered
exotic species
38. Making direct measurements
captive breeding
sustainable cities can
the ocean's absorption of carbon dioxide ...
Scientists determine current climate conditions by
39. The pattern of overlapping food chains in an ecosystem
endangered species
keystone species
food web
nodules
40. Habitat change and fragmentation
secondary succession
biggest cause of biodiversity loss
species
nodules
41. Increase the stability of an ecosystem
high levels of biodiversity
endangered species
mapping biodiversity hotspots
how does sprawl increase carbon dioxide emissions
42. When fish are caught faster than they can breed - causing the populatio to decrease
parasitism
overfishing
Smokey the Bear's message
primary succession
43. One way zoos and aquariums help increase wildlife populations
decomposer
captive breeding programs
threatened
prey
44. A species that influences the survival of many others in an ecosystem
If Earth did not have an atmosphere
sustainable yield
keystone species
species
45. Land that is sparsely populated and has few buildings or roads
uncentered commercial strip development
rural area
renewable resource
endangered
46. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this
automobile
how does sprawl increase carbon dioxide emissions
food chain
habitat fragment
47. A region that has many different types of organism is described as having a high level of this
population
species diversity
noise polution
habitat
48. The largest population that an area can support
endangered
deforestation
carrying capacity
rural area
49. This draws people from urban areas to rural areas
biome
producer
nonrenewable resource
open space
50. A large area heavily populated like Miami - Florida or Toledo - Ohio
renewable resource
nitrogen fixation
urban area
biome