By: Noah Marshall & Ross Alexander


Definition- Interaction between two different organisms living in close physical association, typically to the advantage of both

Mutualism- symbiosis that is beneficial to both organisms involved

Commensalism- an association between two organisms in which one benefits and the other derives neither benefit nor harm.

Parasitism- a relationship between organisms where a parasite lives off of another and only one benefits.


Mutualism- The Oxpecker and the Rhinoceros

Commensalism- Whale and Barnacles

Parasitism- Fleas and Dogs, Ticks and any mammal