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Definition
| all species that live in a particular region |
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| species interaction that benefits one species and neither helps nor harms the other |
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Definition
| type of environment in which a species typically lives. |
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Definition
| one species lives in or on another in a commensal, mutualistic or parasitic relationship |
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Definition
| species interaction that benefits both species |
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Definition
| outcome of competition between two species; similar trait that result in competition become dissimilar |
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Definition
| process whereby two species compete for a limiting resource, and one drives the other to local extinction |
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Definition
| the resources and environmental conditions that a species requires |
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Term
| interspecific competition |
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Definition
| competition between two species |
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Term
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Definition
| species adapt to access different portions of a limited resources; allows species with similar needs to coexist |
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Term
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Definition
| body coloration, patterning, form, or behavior that helps predators or prey blend with the surroundings and possibley escape detection |
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Definition
| an animal feeds on plant parts |
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Term
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Definition
| a species evolves traits that make it similar in appearance to another species |
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Definition
| in many well-defended or unpalatable species, bright colors, patterns, and other signals that predators learn to recognize and avoid. |
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Term
| intermediate distrubance hypothesis |
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Definition
| species richness is greatest in communities where disturbances are moderate in their intensity or frequency |
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Term
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Definition
| species that can colonize a new habitat |
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Term
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Definition
| a new community colonizes an area where there is no soil |
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Definition
| a new community develops in a disturbed site where the soil that supported a previous community remains |
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Definition
| a species that evolved in one community and later became established in a different one |
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Definition
| a species that is especially sensitive to disturbance and can be monitored to assess the health of a habitat. |
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Term
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Definition
| a species that has a disproportionately large effect on community structure |
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Term
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Definition
| larger islands have more species than small ones |
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Term
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Definition
| islands close to a mainland have more species than those farther away |
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Term
| equilibrium model of island biogeography |
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Definition
| model that predicts the number of species n an island based on the islands area and distance from the mainland. |
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