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7 Cards in this Set
- Front
- Back
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three types of survivorship curves
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type 1: Survival is high until old age
type 2:Mortality is spread evenly among all age groups type 3:Very high mortality among the young |
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factors that influence pop growth rate
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Dispersal
Immigration Immigration sex ratio birth rate death rate age distribution |
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population density
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High population density may lead to increased competition for resources.
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exponential growth
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More organisms reproducing causing accelerated growth; continues as long as birth rate exceeds death rate.
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four main factors determine carrying capacity
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Raw material availability
Energy availability Waste accumulation and disposal Organism interaction |
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populations cycle
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organism interactions
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life history traits
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characteristics of an individual that influence survival and reproduction
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