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Population

BIO

TermDefinition
Age Structure the distribution of different age groups (usually split into children, working-age, and elderly) within a population.
Carrying Capacity the maximum population size of a species that an environment can sustain indefinitely, given available resources like food, water, and space
Demography the study of statistics such as births, deaths, income, or the incidence of disease, which illustrate the changing structure of human populations.
Demographic Transition describes the shift from high birth/death rates to low birth/death rates as societies industrialize, resulting in five stages of population growth.
Density Dependent Limiting Factor environmental pressures that restrict population growth based on how crowded or dense the population is
Emigration the act of leaving one's own country to settle permanently in another; moving abroad.
Exponentail Growth a pattern of population increase where the growth rate accelerates over time, occurring when resources are unlimited
Immigration the movement of individuals into a new area, habitat, or population from another location
Limiting Factor any biotic or abiotic element—such as food, space, or temperature—that restricts the size, growth, or distribution of a population within an ecosystem
Population Density the average number of people living in a specific area, usually measured as individuals per square kilometer or square mile
Population Distribution the spatial arrangement and spread of people across a given area, such as a country or the entire world.
Logistic Growth Logistic growth in biology is a model of population growth where the growth rate decreases as the population reaches the environment's carrying capacity (k), resulting in an S-shaped curve
Created by: user-2022270
 

 



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