On October 23rd, 2014, we updated our
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3 KINDS OF SYMBIOTIC RELATIONSHIPS• Symbiosis- close, long term association between 2 or more species.• Parasitism+/-• Commensalism +/o• Mutualism +/+
PARASITISM• Relationship between parasite and host.• One organism benefits (+)• One organism is harmed (-)
COMMENSALISM• One species benefits and the other is unaffected.• Ex) barnacles (+) on a whale (o)
MUTUALISM• A symbiotic relationship in which all participation species benefit.• Micorrhizae with plants and fungi absorbs nutrients for itself and theplant.• Both organisms benefitFlowers (+) andinsects (+)