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17 Cards in this Set
- Front
- Back
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Succession
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The series of predictable changes that occur in a community over time.
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Primary Succession
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The series of changes that occur in an area where no soil or organisms exist.
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Pioneer Species
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The first species to populate the area.
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Secondary Succession
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The series of changes that occur in an area where the ecosystem has been disturbed,but where soil and organisms still exist.
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Natural Selection
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A characteristic that makes an individual better suited to itts enviroment may eventually become common in that species.
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Adaptations
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The behaviors and physical characteristics that allow organisms to live successfully in their enviroments.
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Niche
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The role of an organism in its habitat, or how it makes its living.
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Competition
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The struggle between organisms to survive as they attempt to use the same limited resource.
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Predation
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An interaction in which one organism kills another for food.
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Predator
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The organism that does the killing.
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Prey
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The organism that is killed.
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Symbiosis
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A close relationship between two species that benefits atleast one of the species.
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Mutualism
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A relationship in which both species benefit.
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Commensalism
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A relationship in which one species benefits and the other species is neither helped nor harmed.
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Parasitism
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Involves one orgaism living on or inside another organism and harming it.
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Parasite
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The organism that benefits.
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Host
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The organism that the parasite lives on or in.
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