Biology 152 Lecture 1 Section 1 Lessons Help Instructor Resources About

Ecology > Population Dynamics > Topic 2: Logistic Growth

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In the previous topic, you looked at the most simple model developed to describe population growth: the exponential model. While the exponential model can describe some populations in ideal environments, it is generally too simple.

The logistic model is one step in complexity above the exponential model. It is more realistic and is the basis for most complex models in population ecology. Don't forget, though, that even this model simplifies the true complexities found in population biology.

Image of Logistic graph

What you'll learn in this topic

  • The math and biology behind logistic population growth
  • How the model describes growth when resources are limited
  • How the effects of crowding are represented mathematically

Your task is to learn more about logistic growth and the logistic equation.

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