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13 Cards in this Set
- Front
- Back
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Natural Selection |
a characteristic that makes an indicvidual better suited to its enviroment may eventually become common in that species |
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adaptations |
the behaviors and physical characteristics that allow organisms to live successfully in their enviroments |
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niche |
the role of an organism in its habitat or how it makes its living |
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competition |
the struggle between organisms to survive as they attempt to use the same limetid resourse |
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predation |
an interaction in which one organism kills another for food. |
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predator |
the organism that does the killing |
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prey |
the organism that is killed |
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symbiosis |
a close relationship between two species that benifits at least one of the species |
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mutualism |
a relationship in which both species benefit |
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commensalism |
a relationship in which one species benefits and the other species is neither helped nor harmed |
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parasitism |
a relationship in which one organism lives on or in a host and harms it |
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parasite |
an organism that benefits by living on or in a host |
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host |
an organism that a parasite lives on or in |
