Term
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Definition
| number of individuals of a particular species per unit area or volume (Concept 35.1) |
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Term
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Definition
| growth of a population that multiplies by a constant factor at constant time intervals (Concept 35.2) |
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Term
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Definition
| condition that restricts a population's growth, such as space, disease, and food availability (Concept 35.2) |
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Term
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Definition
| number of organisms in a population that an environment can maintain (Concept 35.2) |
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Term
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Definition
| factor that limits a population more as population density increases (Concept 35.2) |
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Term
| density-independent factor |
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Definition
| factor unrelated to population density that limits a population (Concept 35.2) |
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Term
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Definition
| proportion of people in different age groups in a population (Concept 35.3) |
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Term
| interspecific competition |
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Definition
| competition between species that depend on the same limited resource (Concept 35.4) |
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Term
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Definition
| one species succeeding over another when the growth of both species is limited by the same resource (Concept 35.4) |
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Term
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Definition
| unique living arrangement of an organism defined by its habitat, food sources, time of day it is most active, and other factors (Concept 35.4) |
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Term
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Definition
| interaction in which one organism consumes another (Concept 35.4) |
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Term
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Definition
| close interaction between species in which one species lives in or on the other (Concept 35.4) |
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Term
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Definition
| relationship in which a parasitic organism obtains its food at the expense of a host organism (Concept 35.4) |
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Term
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Definition
| type of symbiotic relationship in which both organisms involved benefit (Concept 35.4) |
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Term
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Definition
| symbiotic relationship in which one organism benefits, while the other organism is neither harmed nor helped (Concept 35.4) |
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Term
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Definition
| series of changes in the species in a community, often following a disturbance (Concept 35.5) |
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Term
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Definition
| process by which a community arises in a virtually lifeless area with no soil (Concept 35.5) |
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Term
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Definition
| change following a disturbance that damages an existing community but leaves the soil intact (Concept 35.5) |
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Term
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Definition
| species moved by humans to new geographic areas, either intentionally or accidentally (Concept 35.5) |
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