Life on Earth

Chapter 28
Population Growth and Regulation
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Introduction to Ecology

How Populations Grow
  • The biotic potential of a population produces exponential growth if not restrained.
  • Exponential growth sometimes leads to "boom-and-bust" cycles.
  • Environmental resistance limits population growth.

    Population Patterns in Space and Time
  • Populations distribute themselves in different ways.
  • Populations show characteristic patterns of survivorship.

    The Human Population
  • The human population is growing exponentially.
  • The age structure of a population predicts its future growth.
  • The population of the united states is growing rapidly.



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