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Chapter 53 Bio

Terms

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Uniform
evenly spaced pattern of dispersion, may be a result of direct interactions between individuals in the population
Population
a group of individuals of a single species living in the same general area
Clumped
the individuals aggregated in patches
Demography
the study of the vital statistics of populations and how they change over time
Survivorship
a plot of the proportion or numbers in a cohort still alive at each age, graphic method of the data in a life table
Density
the number of individuals per unit area or volume
Dispersion
the pattern of spacing among individuals within the boundaries of its population
Population ecology
the study of populations in relation to their environment. It
Life Tables
the age-specific summaries of the survival pattern of a population
Cohort
a group of individuals of the same age, following them from birth until death is the best way to make a life table
Emmigration
the movement of individuals out of a population
Life History
the traits that affect an organisms schedule of reproduction and survival
Iteroparity
when an organism reproduces fewer times, but they reproduce annually for several of years.
Semelparity
"one- shot" pattern, when an organism reproduces a lot at one time before they die
Immigration
the influx of new individuals from other areas
Mark-recapture method
used to estimate the size of a wild population
Territoriality
the defense of bounded space occurs in the absence of strong attractions or repulsions among individuals of a population.
Reproductive Table
(fertility schedule) an age-specific summary of the reproductive rates in a population

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