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section 3 living thi
living things and how the interact
| Question | Answer |
|---|---|
| natural selection | a process by which characteristics that make an individual better suited to its environment become more common in a species |
| adaptation | a behavior or physical characteristic that allows an organism to live successfully in its environment |
| niche | the role of an organism in its habitat, or how it makes a living |
| competition | the struggle between organisms to survive as they attempt to use the same limited resources |
| predation | an interaction in which one organism kills another for food |
| predator | the organism that does the killing in a predation interaction |
| prey | an organism that is killed and eaten by another organism |
| symbiosis | a close relationship between 2 species that benefits at least one of the species |
| mutualism | a relationship between 2 species in which both species benefit |
| commensalism | a relationship between 2 species in which 1 species benefits and the other is neither helped nor harmed |
| parasitism | a relationship in which one organism lives in or on a host and harms it |
| parasite | the organism that benefits by living on or in a host in a parasitism interaction |
| host | the organism that a parasite lives in or on in a parasitism interaction |
Created by:
ebossier
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