aquatic ecosystem
shallow, coastal waters
the factors
area where a river flows into an ocean
estuary
because they have a mixture of freshwater and salt water
covers more than 70% of the earths surface
oceans
there are how many types of aquatic ecosystems
2 types, freshwater and marine
bodies of water surrounded by land
lakes and ponds
an area of land that is saturated, or soaked, with water for at least part of the year
wetland
type of swamps found in tropical and subtropical zone
Mangrove
are limestone ridges built by tiny coral animals
coral reef
free swimming organisms such as fish and whales
nekton
marshes and swamps are types of what
wetlands
a long narrow piece of land that runs parallel to sandy shores
barrier island
because estuaries receive plenty of light for photosynthesis plants and animals in estuaries are
abundant
nutrient runoff and industrial waste, overfishing and sewage
Are bottom dwellers, such as mussels, worms or barnacles
benthos
bodies of water that can be fast moving and slow moving
rivers and streams
hunts for the young fish that live in an estuary
Blue heron
Benthic
the amount of salt in water
salinity
water collects and slowly filters through __________ slowly removing some pollutants
wetlands
changes in an organism that allow it to live in a certain ecosystem
adaptations
Plants that live in an estuary are able to tolerate high levels of
salt
shallow zone where light gets in so life is diverse and abundant
littoral