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  Commensalism (Latin commensalis, ‘sharing the same table’) is a concept in the life sciences. According to the biologist Pierre-Joseph Beneden, writing in 1876, a commensal organism is one which benefits nutritionally from another without causing any harm. In the modern sense, the term encompasses organisms which benefit from shelter or transport. RB

See also amensalism; parasitism; symbiosis.Further reading Philip Whitfield, The Biology of Parasitism.



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