Vocab for 20.2 Biology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Climax community | A community that, after a process of ecological succession, has reached a generally stable state
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| Disturbance | In ecology, an event that changes a community by removing or destroying organisms or altering resource availability
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| Ecological succession | A gradual process of change and replacement in a community
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| Pioneer species | A species that colonizes an uninhabited area and that starts an ecological cycles in which many other species become established
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| Primary succession | A succession that begins in an area that previously did not support life
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| Secondary succesion | The process by which one community replaces another community that has been partially or totally destroyed
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| Species-area effect | A pattern in which the number of species in an area increases as the area increases
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| Species evenness | A measure of the relative abundance of different species of a community
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| Species richness | The number of different species in an area or community
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| Stability | The tendency of a community to maintain a relatively constant structure
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