| A | B |
| Commensalism | A relationship where one organism lives on another without causing harm |
| Mutualism | Relationship where two organisms live together for mutual benifit |
| Parasitism | Relationship where one organism recieve benifits while the other organism is harmed |
| Parasite | Organism that gets food and protection from a host organism, and harms the host |
| Host | Organism that is harmed as a result of another organism living off of it |
| Benifit | Something good happens |
| Harm | Something bad happens |
| Relationship | The effect organism have on each other |