| A | B |
|---|
| niche | the role played in a community |
| competition | the struggle between organisms |
| predator | kill and eat other living things |
| prey | the things predators eat |
| commensalism | a form of symbiosis where one benefits and the other is not harmed |
| mutualism | a form of symbiosis where both benefit |
| parasitism | form of symbiosis where one benefits and the other is harmed |
| parasite | lives off of other organism |
| host | the unlucky partner |
| symbiosis | a close relationship between 2 organisms where at least one organism benefits |
| evolve | to change |
| adaptation | process of changing |
| natural selection | only the best suited survive |
| survival of the fittest | only the strong survive |
