1. 
   ectosymbiont
   An organism which is participating in ectosymbiosis (a form of symbiosis in which the organisms involved are physically separated). ... (09 Oct 1997) ...
   Found op http://www.mondofacto.com/facts/dictionary?ectosymbiont
   
   
2. 
   ectosymbiont
   ectosymbiont An organism that lives on the surface of another organism to the benefit of both; such as, any of the microbes that normally live on the skin.
   Found op http://www.wordinfo.info/words/index/info/view_unit/2073/2
   
   

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