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Factors Limiting Population Growth definitions

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  • Population Density
    Number of individuals per unit area, influencing how certain ecological factors affect population growth.
  • Density Dependent Factor
    Limiting influence whose effect intensifies as the number of individuals in a given area increases.
  • Density Independent Factor
    Limiting influence that impacts populations equally, regardless of how crowded the population is.
  • Carrying Capacity
    Maximum number of individuals an environment can sustainably support at a given time.
  • Competition
    Struggle among organisms for limited resources, intensifying as population density rises.
  • Predation
    Biotic interaction where one organism consumes another, with effects that grow as populations become denser.
  • Disease
    Spread of pathogens within a population, increasing in impact as individuals become more crowded.
  • Waste Accumulation
    Build-up of byproducts from organisms, which can harm populations more as density increases.
  • Natural Disaster
    Abiotic event such as a hurricane or flood that can drastically reduce population size, regardless of density.
  • Abiotic Factor
    Nonliving environmental influence, often responsible for density independent limitations on populations.
  • Biotic Factor
    Living component of the environment, typically associated with density dependent effects on populations.
  • Resource Availability
    Access to essentials like food and water, which becomes more limited as population density increases.
  • Limited Space
    Restriction in available habitat, intensifying competition and other effects as populations grow.
  • Mortality Rate
    Frequency of deaths within a population, which can rise due to both density dependent and independent factors.
  • Exponential Growth
    Rapid population increase occurring when limiting factors are absent, rarely sustained in natural environments.