chapter 7 test (latta)
mangrove swamp
Dense growths of mangrove trees in swampy areas
how do humans effect wetlands?
Draining a wetland to create farmland Draining a wetland to build a housing development Using a wetland as a landfill
The florida Everglades...
Is the largest freshwater marsh in the U.S. Protects threatened and endangered wildlife. Provides habitat for migratory birds.
How does the phrase "best of both worlds" relate to an estuary?
It contains fresh and salt water. They also both provide nutrients
List 3 functions of wetlands.
Trap and filter pollutants Absorbs potential floodwaters Protect shorelines from erosion
Tiny animals, called coral polyps, that secrete limestone create...
coral reefs
Bacteria can kill organisms in eutrophic lakes by
feeding on decaying plants and animals and reducing oxygen dissolved in the water.
nekton
free-swimming. fish, sharks, jellyfish, etc..
estuary
fresh water and salt water mix together
where do mangrove trees grow?
in tropical and subtropical areas.
eutrophication
increase in the amount of nutrients
coral reef
limestone ridges built by tiny coral animals called coral polyps and the algae that live inside them.
What type of vegetation dominates mangrove swamps?
mangrove trees
why are wetlands important to fisheries?
many of the fish caught use wetlands for feeding and spawning
Animals that live in estuaries...
must be adapted to different levels of salinity
littoral zones
near the shore, has lots of life.
wetland
periodically under water
Arctic ecosystems are considered marine ecosystems because...
phytoplankton form the basis of arctic food webs.
plankton
plankton are microscopic (like spongebob). animallike plankton is called zooplankton, and plantlike is called phytoplankton. they are drifters.
barrier island
run parallel to sandy shores. These islands help to protect the mainland and the coastal wetlands from storms and ocean waves and often provide habitat for wildlife
salt marsh
where rivers deposit their load of mineral-rich mud
benthic zones
at the bottom, holds decomposers
benthos
bottom dwellers and decomposers