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WorksheetsFreshwater Ecosystems
Total questions: 10
Worksheet time: 5mins
marine ecosystem
temperature
coral reef
pond
benthos
nekton
bottom-dwelling organisms
temperature
coral reef
pond
benthos
nekton
factor that determines where aquatic organisms live
temperature
coral reef
pond
benthos
nekton
free swimming organisms
temperature
coral reef
pond
benthos
nekton
freshwater ecosystem
temperature
coral reef
pond
benthos
nekton
Swamps are commonly found on
rocky hillsides.
flat, poorly drained land.
mountain peaks
bottoms of ponds or lakes
The type of plankton that produces most of the food in an aquatic ecosystem is called
nekton.
benthos.
phytoplankton.
zooplankton.
In which aquatic zone would you be likely to find cattails and reeds? This is a picture of cattails and reed.
littoral
eutrophic
benthic
none of the above
What are the two main types of freshwater wetlands?
lakes and ponds
rivers and streams
littoral zones and benthic zones
marshes and swamps
Which ecosystem has the highest level of salinity?
salt marsh
brackish marsh
river
pond
