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