WorksheetsFreshwater Ecosystems
Total questions: 10
Worksheet time: 7mins
An harmful increase in the amount of nutrients in an ecosystem is known as
nitrification
algal blooms
eutrophication
One reason estuaries are important?
Used as a place to help predators capture their prey
Used as a "nursery" to help organisms raise babies
Used as a place to increase pollution
Used as an "overflow" area to prevent flooding
A coastal wetland that is flooded and drained by salt water brought in by the tides that is in between land is called a(n)
Bog
Salt marsh
Estuary
Wetland
Mangrove trees are experts at filtering out ___________.
...sediment
...oxygen
...water
...salt
What is the name of a plant or tree that has adapted to live in salt water?
Hydrophyte
Pyrophyte
Halophytes
Epiphyte
What photos are the Mangroves tree?
This is a picture of a salt marsh
Match the following threats w their ecosystem...
Salt Marshes
house development/cont
Mangroves
firewood, too ugly
Estuaries
sediment/trash
Match the following Keystone species to their ecosystem.
Estuaries
Salt Marsh
Mangroves
