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bioch15voc
| Question | Answer |
|---|---|
| Population Density | the number of individuals that can be found per unit area. |
| Population Distribution | describes the way individuals are spaced out across their range. |
| Age Structure | the number of males and females of each age in a population |
| Immigration | movement of individuals into an area occupied by an existing population |
| Emigration | movement of individuals out of the population’s range |
| Exponential Growth | the population increases rapidly as more and more offspring are produced in a situation |
| Logistic Growth | occurs when a population’s growth slows and then stops, following a period of exponential growth |
| Carrying Capacity | is the maximum number of individuals of a particular species that a particular environment can support |
| Limiting Factor | is any factor that controls the growth of a population |
| Density -dependent Limiting Factor | factors that include competition, stress from overcrowding parasitism disease, predation, and herbivory |
| Density-independent Limiting Factor | independent Limiting Factor- environmental extremes which include hurricanes droughts or flood and natural disasters such as wildfires |
| Demography | the scientific study of human populations |
| Demographic Transition | a dramatic change from high birthrates and death rates to low birthrates and death rates |
Created by:
amgrace