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Cha. 4 Lesson 3
Flashcards
| Term | Definition |
|---|---|
| Survivor-ship Curve | A graph showing the likelihood of survival within a group or population by age |
| Immigration | The movement of individuals to a given area |
| Emigration | The movement of individuals away from a given area |
| Migration | The seasonal movement of organisms into and out of an area |
| Exponential Growth | The pattern of population growth in which a population increases by a fixed percentage each year |
| Limiting Factor | A characteristic of the environment that restricts population growth |
| Carrying Capacity | The largest population a given environment can support |
| Logistic Growth | The pattern of population growth in which exponential growth Is slowed and finally stopped by limiting factors |
| Density-Dependent Factor | A limiting factor whose influence changes with population density; includes competition, predation, and disease |
| Density-Independent Factor | A limiting factor whose influence is not affected by a population density; includes catastrophic events |
| Biotic Potential | The growth rate of a population under ideal conditions |