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. An organism that is killed and eaten by another organism
harvested sustainability is a renewable source IF
pathogen
prey
high levels of biodiversity
2. Shift of population from countryside to cities
greenhouse gases
urbanization
ecosystem diversity
extirpation
3. A consumer that eats both plants and animals
carcinogens
prescribed burns
debt-for-nature swap
omnivore
4. Provide wood
economic value of forests
A principal of smart growth
planting of new trees help reduce climate change by
risk assessment
5. The disappearance of all members of a species from Earth
habitat fragment
fire suppression
how does sprawl increase carbon dioxide emissions
extinction
6. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
name examples of land cover
emerging disease
secondary succession
Scientists determine current climate conditions by
7. The pattern of overlapping food chains in an ecosystem
Smokey the Bear's message
vector
teratogens
food web
8. Species that are carried to a new location by people
exotic species
secondary succession
ecosystem diversity
parasitism
9. Loud noises in the air like jack hammers - loud car stereos - etc...
noise polution
food web
fire suppression
nodules
10. Any substance that poses a chemical hazard
toxicant
factors that cause different people to respond differently to environmental hazards
open space
noise polution
11. Can result in a decrease of property damage
fire suppression
captive breeding
commensalism
Species Survival Plans (SSPs) goals
12. The probability that a hazard will cause a harmful response
harvested sustainability is a renewable source IF
abiotic factor
risk
biggest cause of biodiversity loss
13. A carnivore that feeds on the bodies of dead organisms
scavenger
threatened
teratogens
global warming
14. The practice of protecting the environment
secondary succession
deforestation
threatened
conservation
15. A relationship between two species in which both species benefit
name a human activity that contributes the most carbon dioxide to the atmosphere
planting of new trees help reduce climate change by
mutualism
ecotourism
16. Cooking oil - fuel - and medicines
fishery
food chain
products derived from the natural environment
parasitism
17. Habitat change and fragmentation
biotic factor
sustainable yield
biggest cause of biodiversity loss
selective cutting
18. Watering crops
19. An organism that obtains energy by feeding on the other organisms
symbiosis
If Earth did not have an atmosphere
insects
consumer
20. Using public transportation
secondary succession
an action that can reduce the greenhouse gas emissions caused by driving
adaptation
Earth's fresh water is used mostly for
21. Making direct measurements
Earth's fresh water is used mostly for
Scientists determine current climate conditions by
secondary succession
latitudinal gradient
22. The loss of a natural habitat
extinction
economic value of forests
food chain
habitat destruction
23. The process of cutting down only some trees in an area
threatened
carcinogens
commensalism
selective cutting
24. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
abiotic factor
habitat fragment
wildlife corridor
overfishing
25. Manage - protect and reintroduce threatened and endangered species
risk
habitat destruction
overfishing
Species Survival Plans (SSPs) goals
26. An example of a method for managing whole ecosystems and habitats
sustainable cities can
environmental science
biggest cause of biodiversity loss
mapping biodiversity hotspots
27. Organism that carries pathogens
species
ecology
secondary succession
vector
28. The mating of animals in zoos or wildlife preserves
Scientists determine current climate conditions by
captive breeding
how does sprawl increase carbon dioxide emissions
conservation
29. Bumps on the roots of certain plants
scavenger
infants
nodules
genetic diversity
30. A consumer that eats only animals
carnivore
overfishing
per capita land consumption
factors that cause different people to respond differently to environmental hazards
31. Transportation systems - communications systems - water services - power supplies - and schools
give an example of a social hazard that cannot be easily controlled
open space
name examples of infrastructure
predator
32. Viruses - bacteria and other organisms in the environment that harm human health
immigration
pollution
biological hazards
an action that can reduce the greenhouse gas emissions caused by driving
33. One way zoos and aquariums help increase wildlife populations
habitat
habitat preservation
ecotourism
captive breeding programs
34. A resource that is either always available or is naturally replaced in a relatively short time
greenhouse gases
emerging disease
emigration
renewable resource
35. The study of how living things interact with each other and their environment
ecology
renewable sources
habitat destruction
selective cutting
36. Trees - grass - crops - wetlands - water - building and pavements
name examples of land cover
secondary succession
species
resource
37. Deals with biological hazards
debt-for-nature swap
epidemiology
symbiosis
products derived from the natural environment
38. A virus or bacterium (organisms) that cause infectious diseases
clear-cutting
food web
pathogen
sustainable yield
39. Resulted in suppression of all forest fires
40. Amount of land each person uses
products derived from the natural environment
nitrogen fixation
per capita land consumption
herbivore
41. A natural resource that is not replaced in a useful time frame
toxicant
environmental science
prescribed burns
nonrenewable resource
42. A relationship in which one organism lives on or in a host and harms it
debt-for-nature swap
biomagnification
parasitism
lead
43. The most direct way in which biodiverstiy can provide a source of income
high levels of biodiversity
Species Survival Plans (SSPs) goals
ecotourism
producer
44. Building up not out
lead
debt-for-nature swap
products derived from the natural environment
A principal of smart growth
45. The most effective way of preserving biodiversity by protecting whole ecosystems
omnivore
decomposer
population
habitat preservation
46. Leaving a population
emigration
keystone species
open space
producer
47. When fish are caught faster than they can breed - causing the populatio to decrease
secondary succession
sustainable yield
overfishing
uncentered commercial strip development
48. A species that is at risk of extinction
renewable resource
toxicant
endangered species
pathogen
49. A species that influences the survival of many others in an ecosystem
carrying capacity
economic value of forests
omnivore
keystone species
50. Fires that are set by humans
mutualism
nonrenewable resource
prescribed fires
mapping biodiversity hotspots