Term
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Definition
| an increase in the size of a population over time |
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Term
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Definition
| as a population gets larger, it also grows faster; this type of growth forms a J-shaped graph |
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Term
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Definition
| the number of organisms of one species that an environment can support. |
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Term
| density-dependent factors |
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Definition
| these factors have an increased effect as population increases; things like disease, competition, parasites, and food. |
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Term
| Density-independent factors |
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Definition
| these factors affect all populations regardless of the population's density; things like floods, storms, drought, and habitat disruption. |
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Term
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Definition
| the study of human population growth characteristics. |
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Term
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Definition
| the number of offspring a female produces during her reproductive years. |
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Term
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Definition
| movement of individuals INTO a population |
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Term
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Definition
| movement of individuals out of a population; EXITING the population. |
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Term
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Definition
| this refers to the proportions of a population that are at different age levels; can be visualized by the use of an age structure graph. |
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