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Biology II Chapter 5

QuestionAnswer
Three important characteristics of a population: __________, ______ ________, _________________ ____________________. density, growth rate, and geographic distribution.
Three factors that affect the population: ______________, _______________, _________________________________. number of births, number of deaths, and number of persons that enter or leave the population.
the number of individuals per unit area. population density
the movement of individuals into an area is another factor that can cause a population to grow. immigration
the movement of individuals into an area, is another factor that can cause a population to grow. emigration
occurs when the individuals in a population reproduce at a constant rate. exponential growth
occurs when a population's growth slows, or stops following a period of exponential growth. logistic growth
largest number of individuals of a population that a given environment can support. carrying capasity
Density dependent limiting factors: ________________, _______________, _______________, __________________. competition, predation, parasitism, and disease.
a factor that causses population growth to decrease. limiting factor
a limiting factor that depends on population. density-dependent limiting factor
one of the best known mechanisms of population control. predator-prey relationship
affect all populations in similar ways, regardlesss of the population size. density-independent limiting factors
the scientific study of human populations. demography
a dramatic change in birth and death rates. demographic transition
population profiles which graph the numbers of people in different age groups in the population. age-structure diagrams
Created by: brandon_kyle10
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