Minkoff Ch. 6 Vocab Flashcards
(12 cards)
population ecology
the study of the biological factors that affect the sizes of population
demography
the study of human populations in numerical terms
population
- a subset of the species to which the population belongs
- consists of individuals who are in close enough geographical proximity that their structural and behavioral potential to interbreed is actualized in mating that keeps genes flowing throughout the group over successive generations
growth rate
the rate of change of population size; symbolized as r
exponential growth
geometric growth
doubling time
the length of time it will take for the population to double
logistic growth
growth that begins exponentially but then levels off to a stable population size
carrying capacity
the maximum population size that can persist in a given environment
demographic transition
an orderly series of changes in population structure
death control
any measure that reduces the death rate
age pyramid
a diagram that represents the age distribution of a population
demographic momentum
a temporary population increase
