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sic.section3
| Question | Answer |
|---|---|
| natural selection | a process by which characteristics that individual better suited for it's environment become a more common species |
| adaptations | a behavior or physical characteristics that allows an organism to live successfully in its environment |
| niche | the role an organism has in its environment |
| competition | the struggle organisms to survive as they attempt to use the same limited resource |
| predator | an interaction when one organism kills another |
| prey | an organism that is killed |
| symbiosis | a close relationship between 2 species that benefits one of the species |
| mutualism | a relation ship between 2 species in which both species benefit |
| commensalism | a relation ship between 2 species in which 1 species benefits and the other is not harmed |
| parasitism | a relation ship between one organism lives on a host and harms it |
| parasite | the organism that benefits by living on a host organism |
| host | the organism that the parasite lives on |