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. When fish are caught faster than they can breed - causing the populatio to decrease
insects
captive breeding programs
emerging disease
overfishing
2. A natural pattern in which species diversity generally increases toward the equator
latitudinal gradient
biomagnification
abiotic factor
biodiversity
3. The pattern of overlapping food chains in an ecosystem
economic value of forests
food web
pollution
emigration
4. The disappearance of a particular population from a given area - but not from the entire species globally
carnivore
population
poaching
extirpation
5. The amount of carbon dioxide emissions for which an individual or group is responsible
planting of new trees help reduce climate change by
Earth's fresh water is used mostly for
carbon footprint
selective cutting
6. A group of land ecosystems with similar climates and organisms
biome
abiotic factor
adaptation
renewable resource
7. Leaving a population
emigration
habitat destruction
biodiversity
carcinogens
8. Water vapor and carbon dioxide that trap heat near the earth
global warming
epidemiology
greenhouse gases
automobile
9. Building up not out
A principal of smart growth
name examples of infrastructure
captive breeding programs
threatened
10. The amount of replacement is equal to the amount harvested
Scientists determine current climate conditions by
epidemiology
harvested sustainability is a renewable source IF
insects
11. A natural resource that is not replaced in a useful time frame
debt-for-nature swap
emerging disease
endangered
nonrenewable resource
12. Habitat change and fragmentation
nitrogen fixation
biggest cause of biodiversity loss
insects
secondary succession
13. The highest level of biodiversity
abiotic factor
ecosystem diversity
biological hazards
selective cutting
14. Species that are carried to a new location by people
predator
emerging disease
exotic species
latitudinal gradient
15. A relationship between two species in which both species benefit
rural area
mutualism
epidemiology
teratogens
16. All the members of one species in a particular area
habitat
population
poaching
products derived from the natural environment
17. Manage - protect and reintroduce threatened and endangered species
Species Survival Plans (SSPs) goals
emerging disease
immigration
greenhouse gases
18. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat
threatened
resource management
wildlife corridor
habitat fragmentation
19. A consumer that eats only plants
herbivore
name examples of infrastructure
vector
ecosystem diversity
20. The largest population that an area can support
open space
extinction
per capita land consumption
carrying capacity
21. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist
the ocean's absorption of carbon dioxide ...
secondary succession
species
Species Survival Plans (SSPs) goals
22. An organism that can make its own food
producer
competition
global warming
factors that cause different people to respond differently to environmental hazards
23. An example of a method for managing whole ecosystems and habitats
biome
latitudinal gradient
the ocean's absorption of carbon dioxide ...
mapping biodiversity hotspots
24. An organism that is killed and eaten by another organism
risk
clear-cutting
food chain
prey
25. The process of cutting down all the trees in an area at once
urbanization
name examples of infrastructure
rural area
clear-cutting
26. Illegal killing or removal of wildlife from their habitats
consumer
poaching
epidemiology
selective cutting
27. A close relationship between two species that benefits at least one of the species
Earth's fresh water is used mostly for
symbiosis
clear-cutting
poaching
28. A living part of an organism's habitat
resource management
producer
biotic factor
competition
29. A species that influences the survival of many others in an ecosystem
emigration
keystone species
sustainable cities can
factors that cause different people to respond differently to environmental hazards
30. A behavior or physical characteristic that allows an organism to live successfully in its environment
carnivore
adaptation
name a human activity that contributes the most carbon dioxide to the atmosphere
population
31. Chemicals that cause cancer
noise polution
carnivore
extirpation
carcinogens
32. Deals with biological hazards
epidemiology
exotic species
renewable sources
species diversity
33. The mating of animals in zoos or wildlife preserves
captive breeding
keystone species
urbanization
planting of new trees help reduce climate change by
34. An amount of a renewable resource that can be harvested regularly without reducing the future supply
ecotourism
endangered species
biodiversity
sustainable yield
35. Any substance that poses a chemical hazard
risk
how does sprawl increase carbon dioxide emissions
toxicant
habitat preservation
36. Amount of land each person uses
carbon footprint
biggest danger posed by global warming to people living in coastal areas
per capita land consumption
an action that can reduce the greenhouse gas emissions caused by driving
37. Cooking oil - fuel - and medicines
name examples of land cover
A principal of smart growth
products derived from the natural environment
abiotic factor
38. Businesses are arranged in a long row along a roadway - with no main community
uncentered commercial strip development
nonrenewable resource
name examples of infrastructure
carrying capacity
39. Transportation systems - communications systems - water services - power supplies - and schools
per capita land consumption
niche
name examples of infrastructure
debt-for-nature swap
40. Process of measuring the chance that an environmental hazard will cause harm
name examples of land cover
wildlife corridor
competition
risk assessment
41. Pollution from a factory near your school
give an example of a social hazard that cannot be easily controlled
consumer
lead
habitat fragment
42. The process of cutting down only some trees in an area
emigration
carrying capacity
open space
selective cutting
43. The form of transportation that uses the most energy per passenger mile
overfishing
harvested sustainability is a renewable source IF
automobile
nitrogen fixation
44. The probability that a hazard will cause a harmful response
toxicant
genetic diversity
deforestation
risk
45. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity
ecotourism
genetic diversity
debt-for-nature swap
poaching
46. A consumer that eats only animals
endangered species
carnivore
factors that cause different people to respond differently to environmental hazards
open space
47. Sex - weight - and health issues
infants
nitrogen fixation
exotic species
factors that cause different people to respond differently to environmental hazards
48. Increase the stability of an ecosystem
extinction
primary succession
high levels of biodiversity
consumer
49. Trees - grass - crops - wetlands - water - building and pavements
global warming
an action that can reduce the greenhouse gas emissions caused by driving
name examples of land cover
extirpation
50. A region that has many different types of organism is described as having a high level of this
species diversity
habitat fragmentation
commensalism
planting of new trees help reduce climate change by