US/Canada Test

Great Lakes is an example of a watershed

• True
• False

all the feeding relationships in an ecosystem

• food chain
• food web
• Ecumene
• Core Region

made up of water that is fresh, not salty; also describes creatures that live in fresh water, such as freshwater fish. Great Lakes is the largest body of water like this.

• food chain
• freshwater
• urban core
• urban sprawl

Great Lakes ecosystem is being destroyed by pollution. What is POINT SOURCE POLLUTION

• singe source- comes from one point
• non-point source--comes from many sources

An example of non- point source pollution is

• Agricultural runoff
• gas from a boat
• waste from animal
• chimney from factory

Great Lakes has major problem with invasive species. Most invasive species are coming from

• from boats
• from air
• from factories
• from people

the ring of small towns and suburbs that surround a big city

• Core Region
• urban fringe
• rural fringe
• urban sprawl

the negatives of urban sprawl are

• traffic jams and less people
• traffic jams and greater pollution
• more pollution and less people
• lower taxes and traffic jams

a developed area at the edge of a city that is mainly homes. Many suburbs also have stores and businesses.

• watershed
• freshwater
• suburb
• urban core

the positive of urban sprawl

• cheaper and more housing opportunties
• less things to do for people
• more traffic jams
• more population