This unit continues to focus on the understanding that the existence of life on Earth depends on the interactions among organisms and between organisms and their environment.  It also explores ideas about populations and factors affecting population growth.  Finally, it will examine the wise use of resources, the importance of biodiversity, and the need to meet ecological challenges that face humans today.

Essential Question:  What factors contribute to changes in populations?

Unit 4 (Ecosystems, Communities, Populations, and Human Interactions) Overview Sheet

 

Please use the following links to access the Power Point presentations given in class.

PPT Section 4.1  Climate

PPT Section 4.2 Niches and Community Interactions

PPT Section 4.3  Succession

 

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