http://en.wikibooks.org/wiki/Ecology/Parasitism This is an example of a parasite that can cause Chagas disease Parasitism is a form of living in which two organisms that are phylogenically different (unrelated) co-exist over a…
http://en.wikipedia.org/wiki/Symbiosis Symbiosis (mutualism, commensalism, amensalism) In a symbiotic commensalism, the clownfish feeds on small invertebrates which otherwise potentially could harm the sea anemone, and the fecal matter from the clownfish…
http://www.ms-starship.com/sciencenew/symbiosis.htm Dave Abbott Dip. Marine Studies [NZ] May 2000.Symbiosis Symbiosis basically means ‘living together’ and in the context of marine biology refers to a close relationship between two species, for…