Freshwater Ecosystems Test Question Preview (ID: 46515)
A Test On Freshwater Ecosystems.
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The difference between a swamp and a marsh is that a Swamp has
a) Grass
b) Trees
c) Animals
d) People
The zone near the edge of a lake is called:
a) Benthic Zone
b) Limnetic Zone
c) Littoral Zone
d) Fun Zone
Which is a function of wetlands?
a) Purify water
b) Control Flooding
c) Habitat for organisms
d) All of these
The deepest part of a lake, without much sunlight:
a) Littoral Zone
b) Benthic Zone
c) Limnetic Zone
d) Fun Zone
Rivers always flow:
a) North to South
b) East to West
c) Uphill
d) Downhill
Drifting organisms that float because they can't swim against the current are:
a) Plankton
b) Nekton
c) Benthos
d) All of these
Organisms that can swim freely:
a) Plankton
b) Nekton
c) Benthos
d) All of these
Organisms like clams, mussels and barnacles that live near the bottom:
a) Plankton
b) Nekton
c) Benthos
d) All of these
Marine ecosystems have more ____ than freshwater ecosystems
a) Life
b) water
c) Salt
d) Humidity
Land that is covered with water for at least part of the year is:
a) Wetland
b) Rivers
c) Lakes
d) Ponds
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