EC: Populations Lesson

What's a Population?

There are three important characteristics of populations: geographic distribution, density, and growth rate.

Is There a Limit?

Before You Go - You Need To Know

The following key points are from the explore section of the lesson. You must know the following information before moving to the next lesson. This is just a summary of the key points.

1. What is a population?
   • Members from the same species that live in the same area
2. What are the two types of population growth?
   • J-curve and S-curve
3. What is the difference between density-dependent and density-independent limiting factors?
   • Density-dependent factors depend on population size, while density-independent factors affect populations regardless of population size

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