Freshwater Ecosystems Test Question Preview (ID: 46515)


A Test On Freshwater Ecosystems. TEACHERS: click here for quick copy question ID numbers.

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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