An association between two different species where the symbiont benefits and the host is harmed is known as. 04:26 Populations and Biological Communities An association between two different species where the symbiont benefits and the host is harmed is known as.A - SymbiosisB - CommensalismC - ParasitismD - PathogenicE - AmensalismAnswer: C - Parasitism Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+