| Term | Definition |
|---|
| natural selection | process in which a species becomes better suited to its environment |
| adaptation | characteristic that allows a species to live successfully in its environment |
| niche | a species' particular role or how it makes its living |
| competition | struggle between organisms to survive in a habitat with limited resources |
| predation | an interaction in which one organism kills and eats another |
| predator | the organism that does the killing |
| prey | the organism that is killed |
| predator adaptation | predators have adaptations that help them catch and kill their prey |
| prey adaptation | adaptations prey have to avoid being killed by predators |
| symbiosis | a close relationship between two species that benefits at least one of the species |
| mutualism | a symbiosis relationship in which both species benefit |
| commensalism | a symbiosis relationship in which one species benefits and the other species is niether helped no harmed |
| parasitism | a symbiosis relationship which involves one organism living on or inside another organism and harming it |
| parasite | the organism that benefits |
| host | the organism it lives on or in |
Combine with other sets
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