| A | B |
| Predator | Organisms that hunt for food |
| Prey | Organisms that are hunted as food |
| Direct Relationship | Organisms that immediately impact each other through interactions |
| Indirect Relationship | Organisms that impact each other without interacting with each other. |
| Structure/Function Relationship | Parts of an organism and how they work. |
| Parasite/Host Relationship | An organism that feeds on another organism without intending to kill it. |
| Consumer | Organisms that eat to obtain energy. |
| Producer | Organisms that create their own energy from light. |
| Invasive Species | Organisms that move to an ecosystem where they do not belong. |
| Native Species | Organisms that are in an ecosystem where they fit into the food web. |
| Food Chain | A simple diagram that shows the flow of energy from one organism to another. |
| Food Web | A complex diagram that shows multiple predator prey relationships. |
| External | Outside of specimen |
| Internal | Inside of specimen |
| Parasite | Organism that feeds without intending on killing its prey |