WorksheetsChapter 7 Quiz
Total questions: 11
Worksheet time: 6mins
A land area that is covered with a shallow layer of water during some or all of the year.
Mangrove
Wetland
Estuary
Coral Reefs
Bottom dwelling organisms in an aquatic ecosystem
Plankton
Nekton
Benthos
All organisms that swim actively in open water, independent of currents (fish, whales, turtles, etc.)
Plankton
Nekton
Benthos
Microscopic organisms that float and drift in the ocean waters.
Plankton
Nekton
Benthos
A habitat in which the fresh water of a river mixes with the salt water of an ocean.
Eutrophication
Estuary
Coral Reef
Mangroves
Tropical trees that grow along coasts and help maintain the health of coastal environments
Eutrophication
Estuary
Mangroves
Coral Reefs
A shallow zone in a freshwater habitat where light reaches the bottom and nurtures plants
Benthic Zone
Littoral Zone
Coral Reef
Wetland
Animals that live in estuaries...
Tend to produce few offspring
Are usually found in unpolluted environments
Must be adapted to varying levels of salinity
Tiny animals, called coral polyps, excrete limestone create:
Barrier islands
Coral reefs
Swamps
Salt marshes
Which of the following statements does NOT describe a function of wetlands?
They provide spawning grounds for commercially important fish and shellfish
They buffer shorelines against erosion
They filter pollutants
They make good hazardous waste dumpsites
Bacteria cause eutrophication in lakes containing large amounts of plant nutrients by:
Feeding on decaying plants and animals
Reducing oxygen dissolved in the water
Both (a) and (b)
Neither (a) and (b)
