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WM Biology Chapter 4
Vocab Words from Chapter 4
| Question | Answer |
|---|---|
| exponential growth | this means that as a populataion gets larger, it also grows at a faster rate. |
| carrying capacity ` | number of organisms of one species that an enviroment can support indefinitly. |
| life-history pattern | an organism's reproductive pattern. |
| density-dependent factor | limiting factors such as diseas, parasites, or food availability that affect growth of population. |
| density-independent factor | factor such as temperature, storms, floods, drought, or habitat disruption that affects all populations, regardless of their density. |
| demography | the study of human population sixe, density and distribution, movement, and is birth and death rates. |
| birthrate | the number of live births per 1000 population per year. |
| death rate | the number of deaths per 1000 population in a given year. |
| doubling time | the time needed for a population to double in size. |
| age structure | refers to the proportions of the population that are in different age levels. |