Chapter 32:
Solving Ecological Problems
Practice Test
1.
What are the remains of organisms that lived millions of years ago that are now used to produce electricity?
a.
threatened species
b.
renewable resources
c.
fossil fuels
d.
endangered species
Hint
2.
Which of these is NOT a way to conserve resources?
a.
using a plastic bag once, then throwing it away
b.
turning off the television when you leave the room
c.
buying fruit that is not wrapped in plastic
d.
turning off the water when you brush your teeth
Hint
3.
What is anything that makes the surroundings unhealthy or unclean?
a.
recycling
b.
extinction
c.
sedimentation
d.
pollution
Hint
4.
What is a molecule composed of three oxygen atoms?
a.
radon
b.
ozone
c.
carbon dioxide
d.
acid rain
Hint
5.
What is an area that shelters or protects living things from being harmed by humans?
a.
smog
b.
a sanitary landfill
c.
a natural resource
d.
a refuge
Hint
6.
Which of these is a way to prevent soil erosion?
a.
plant crops up and down the slope
b.
plant crops across the slope
c.
remove all grass from fields before planting crops
d.
remove all trees from fields
Hint
7.
What is the reusing of resources called?
a.
polluting
b.
littering
c.
erosion
d.
recycling
Hint
8.
What is a substance that can be broken down by microbes into harmless chemicals in the environment?
a.
pesticide
b.
biodegradable
c.
DDT
d.
PCB
Hint
9.
What is the wearing away of soil by wind and water?
a.
erosion
b.
sedimentation
c.
transpiration
d.
evaporation
Hint
10.
What is a species that is in danger of becoming extinct?
a.
threatened species
b.
extinct species
c.
endangered species
d.
available species
Hint
