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Biology CH 4

QuestionAnswer
carrying capacity The number of organisms of one species that an ecosystem can support
density dependent limiting factors like disease, competition, predators, parasites, and food that have greater effects as a population increases.
density independent limiting factors that affect all populations no matter how dense they are.
exponential growth population grows at a rapid rate .A "J' curve is created on the graph
life-history pattern Factors that help determine population growth. An organisms reproductive patterns.
age structure proportion of the population at each age level. Presented in graph form
birthrate number of live births per thousand population in a given year
death rate number of deaths per thousand population in a given year.
demography The study of human population size, density, distribution, movement and birth and death rates.
doubling time The time needed for a population to double in size.
Created by: jljohnson404
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