Symbiosis
association of different organisms to the advantage of both
Mutualism
A symbiotic relationship that is beneficial to both organisms
Example-The Bee and the Flower-The bee gets nectar for later use and the flower's pollen is spread by the bee
commensalism
A symbiotic relationship in which one organism benefits and the other is not affected
Example-The Titan Triggerfish moves rocks to big for smaller fish to move which helps them find food
parasitism
A symbiotic relationship in which one organism benefits and the other is harmed
Mosquitoes and humans-mosquitoes suck blood from humans and may transfer disease like malaria to humans