sources
http://marinebio.org/oceans/forests/
http://oceanservice.noaa.gov/facts/pplkelp.html
http://www.pmel.noaa.gov/eoi/nemo/education/curr_p1_12.html
http://www.seaweed.ie/aquaculture/noricultivation.php
http://www.swansonvitamins.com/content/encyclopedia/supplements/spirulina.html
http://treeoflife.nmnaturalhistory.org/archaea.html
http://oceanservice.noaa.gov/facts/pplkelp.html
http://www.pmel.noaa.gov/eoi/nemo/education/curr_p1_12.html
http://www.seaweed.ie/aquaculture/noricultivation.php
http://www.swansonvitamins.com/content/encyclopedia/supplements/spirulina.html
http://treeoflife.nmnaturalhistory.org/archaea.html