| A | B |
| tick lives on a dog | parasitism on mammal |
| fox catches a rabbit | predation on mammal |
| pilot fish hangs out with shark | mutualism with fish |
| dung beetle lives in buffalo droppings | commensalism with mammal |
| hermit crab uses conch shell for home | commensalism with mollusk |
| seal eats fish | predation on fish |
| lice live on wild turkey | parastism on bird |
| bee visits flower for nectar, spreads pollen to other flowers | mutualism of animal and plant |