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10 Cards in this Set
- Front
- Back
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exponential growth |
growth pattern where a population grows faster as it increases in size |
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carrying capacity |
number of organisms of one species that an environment can support indefinitely |
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life-history pattern |
an organism’s pattern of reproduction; may be rapid or slow |
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density-dependent factor |
limiting factors such as disease, parasites or food availability that affect growth of a population |
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density-independent factor |
factor such as temperature, storms, floods, drought, or habitat disruption that affects all populations, regardless of their density |
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demography |
study of population characteristics such as growth rate, age structure, and geographic distribution |
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birthrate |
number of live births per 1000 population in a given year |
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death rate |
number of deaths per 1000 population in a given year |
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doubling time |
time needed for a population to double in size |
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age structure |
proportions of a population that are at different age levels |
