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the place where an organism usually lives |
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is composed of all the physical, chemical, and biological factors that a species needs to survive, stay healthy, and reproduce |
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the exclusion of one species by another due to competition |
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are species that occupy similar niches but live in different geographical regions |
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the relationship between two species in which both species attempt to use the same limited resource such that both are negatively affected by the relationship |
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an interaction between two species in which one species the predator feeds on the other species the prey |
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is a close ecological relationship between two or more organisms of different species that live in direct contact with one another |
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a relationship between two species in which both species benefit |
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a relationship between two organisms in which one organism benefits and the other is unaffected |
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a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed |
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the number of individuals of the same species that live in a given unit of area |
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is the way in which individuals of a population are spread in an area or a volume |
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is a generalized diagram showing the number of surviving members over time from a measured set of births |
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the movement of an individual or a group to a new community or region |
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the movement of an individual or group out of its native area |
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logarithmic growth, or growth in which numbers increase by a certain factor in each successive time period |
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population growth that starts with a minimum number of individuals and reaches a maximum depending on the carrying capacity of the region described by an S shaped curve |
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the largest population that an environment can support at any given time |
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an environmental factor that prevents an organism or population from reaching its full potential of distribution or activity |
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Density-Dependent Limiting Factor |
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are limiting factors that are affected by the number of individuals in a given area |
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Density-Independent Limiting Factor |
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are the aspects of the environment that limit the |
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the replacement of one type of community by another at a single location over a period of time |
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succession that begins in an area that previously did not support life |
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a species that colonizes an uninhabited area and that starts an ecological cycle in which many other species become established |
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the process by which one community replaces another community that has been partially or totally destroyed |
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