pd+1+coral+reef+felicia+auletto

media type="custom" key="21516294"
 * CORAL REEF **

characteristics:
 * The normal temperature of the waters is usually 64 to 86 degrees.
 * Coral reefs usually form in shallow waters were lots of sunlight hits.
 * The floors of the coral reefs are usually covered in sand, coral, and rocks.
 * Very few nutrients.

Threats: >
 * Pollution in waters is slowly dying off coral reefs.
 * Tourist are taking pieces of coral from the reefs.
 * Construction and mining is a another problem

Other Information:
 * species such as fish, lobsters , clams , corals, sponges, and turtles.
 * the movement of the water affects what lives in the reef.
 * reefs are usually made out of animal waste and there bones.
 * The biggest coral reef in the world is the great barrier reef (1,600 miles long).

Coral reef wonderland​ media type="youtube" key="1aX61LzmeYA" height="315" width="560"

Coral reef ecosystem media type="youtube" key="5d3qie3jbHk" height="315" width="420"

Work cited: http://en.wikipedia.org/wiki/Great_Barrier_Reef

http://water.epa.gov/type/oceb/habitat/coral_index.cfm

http://life.bio.sunysb.edu/marinebio/coralreef.html

Links: oceanworld.tamu.edu › [|Students]

ocean.si.edu/**corals**-and-**coral**-**reefs**


 * coralreef**.noaa.gov/