mutualism - a symbiotic relationship in which both parties are benefiting, ie; a bird that cleans food out of an alligators teeth
parasitism - a symbiotic relationship in which on party is benefiting and the other is being harmed, ie; a tick that leeches onto a dog
commensalism - a symbiotic relationship in which one party is helped and the other is neither helped nor harmed, ie; tree frogs that use large plants as protection
competition - the rivalry for limited resources
predator-prey - the predator is the organism that hunts and kills, the prey is the victim of predators, ie; bear and fish, fox and rabbit, ect.
the best i could do was give you handwritten definitions with examples! i hope this helped!
