Houghton Mifflin Social Studies
Lesson at a Glance Outline

Chapter 4, Lesson 2: The Development of Culture (pp. 97-101)

I. Making Tools

II. Using Language

    A. Scientists believe that as brain size increased, so did early humans' ability to create and use language.

    B. Language allowed early humans to share information, work together, and to pass on knowledge and traditions.

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