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15 Cards in this Set
- Front
- Back
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Biotic factors |
Biological influences on organisms |
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Abiotic factors |
Physical factors that shape ecosystems |
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The niche |
The full range of physical and biological conditions on which an organism lives and the way in which the organism uses those conditions |
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Competition |
When organisms of the same or different species attempt to use an ecological resource in the same place at the same time |
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Resource |
Any necessity of life |
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Competitive exclusion principle |
No two species can occupy the same niche in the same habitat at the same time |
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Predation |
In which one organism captures and feeds on another organism |
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Sybiosis |
Any relationship between two species living closely together |
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Mutualism |
Both species benefit from the relationship |
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Commensalism |
One member of the association benefits and the other is neither helped nor harmed |
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Parasitism |
One organism lives on or inside another organism and harms it |
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Ecological succession |
The series of predictable changes that occur in a community over time |
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Primary succession |
Succession that occurs on surfaces where no soil exists |
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Pioneer species |
The first species to populate the area |
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Secondary succession |
A disturbance of some kind that changes an existing community without removing the soil |
