Symbiosis and Symbiotic Relationships

This lesson is part of:

Population and Community Ecology

View Full Tutorial

Track Your Learning Progress

Sign in to unlock more practice exams, study note practice quizzes, personalized weak area practice, AI study assistance with Lexi, and detailed performance analytics.

Earlier discussion

1 older comment kept for context.

isaac alamu

very good i really love these definition......let me add the signs to it...(1)commensalism ( +/0)..it means one organism gain while the other is neither gain nor loss,(2)mutualism (+/+)..it means the relationship benefit the two organisms,(3)parasitism (+/-)...it means one organism feed on excess of the other.(parasite) is the one that is gaining while the (host) is lossing and later lead to death of the host.