(ECO) Populations Lesson

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What's a Population?

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

 

 

 

Is There a Limit?

Challenge and Before You Go

Practice Time! Use the knowledge you learned from the lesson to complete the practice activities below.

Before You Go - You Need To Know

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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 growths?
    • 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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