| A | B |
|---|
| mutualism | a sea anemone attaches itself to the shell of a hermit crab. The crab gets protection and the sea anemone gains mobility. Both benefit. |
| mutualism | Aebras and giraffes live together because zebras have excellent hearing and giraffes have excellent sight. They can warn each other of danger. |
| mutualism | relationship between two organisms that benefits both organisms |
| mutualism | A protozoan lives in the intestine of a termite to digest food. The termite gets its food digested and the protozoan receives wood to digest for nourishment. Both benefit |
| mutualism | A bird picks the meat from an alligators teeth to help the alligator from getting cavities |
| mutualism | A clown fish lives in sea anenome tentacles and attracts fish to the tentacles. The clown fish, in turn, cleans the tentacles and gets a free meal. |
| mimicry | a viceroy butterfly lloks like a monarch, because the nomarch tastes terrible. |
| mimicry | the kings snake looks like the coral snake for protection, because the coral snake is poisonous |
| commensalism | relationship between two organisms in which the host suffers |
| commensalism | a tapeworm lives and grows in a person's intestine |
| primary succession | a rodk has algae and bacteria growing on it |
| parasitism | an anaeroblc bacterium invades a wound |
