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15 Cards in this Set
- Front
- Back
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what is the study of how and why the number of individuals in a population changes over time
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population ecology
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what is a group of individuals from the smae species that live in the same area at the same time
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population
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what is the study of factors that determine the size and structure of populations through time
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demography
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what summarizes the probability that an individual will survive and reproduce in any given year over the course of its lifetime
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life tables
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what displays the general patterns in survivorship and makes comparisons amoung populations or species by ploting the number of survivors verses the age
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survivorship curve
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What has high survivorship while young then dramatically shifts to low survivorship when old
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Type I
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What has high survivorship when young and has a steady survivorship downwards as it gets older
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Type II
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what has low survivorship while young but high survivorship as it gets older
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Type III
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what is the number of female offspring produced by each female in the population
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fecundity
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what consits of how an individual allocates resources to growth, reproduction and activities or structures that are related to survival
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life history
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what occurs when r does not change over time; and the growth rate does not depend on the number of individuals in the population
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exponential growth
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what is density dependence
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growth rate is a function of population size (logistic growth)
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what is logistic growth
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changes in growth rate that occur as a function of population size
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what is density independent growth
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when the increases in the size of the population do not affect r
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what is the proportion of individuals that are at each possible age
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population age structure
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