ch. 7 key terms Flashcards
wetland
land that is periodically underwater
plankton
organisms that cannot swim against currents, drifters
nekton
free swimming organisms, fish whales others
benthos
bottom dwellers, mussles worms barnacles
littoral zone
area near the shore, diverse aquatic life
benthic zone
bottom of a pond or lake
eutrophication
an increase in the amount of nutrients
estuary
an area in which fresh water from a river mixes with salt water from the ocean
salt marsh
product of estuaries, where rivers deposit their load of mineral-rich mud
mangrove swamp
dense groves of mangrove trees in swampy areas
barrier island
islands that run parallel to sandy shores
coral reef
limestone ridges built by tiny coral animals called coral polyps.