Title: Week 4 overview
Course: BIO-182 RTZ > Section: Week 4- History of Life & the "Simple" Life

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TO DO before [Date/Time selected here]:

- Read Chapter 25 (The History of Life on Earth & Chapter 26 (Bacteria, Archaea, and Viruses).
- Complete: LaunchPad Learning Curve (Chapter 25 & 26)
- Complete: LaunchPad Learning Activities (Chapter 25 & 26)
- Review for and complete all three sections of EXAM #1 (Chapter 21, 22, & 23).
- Optional: LaunchPad Summary Quizzes (Chapters 25 & 26)
- Optional: Lab - Mass Extinctions: Life on the Brink

This week, we begin the second unit of the semester - BIODIVERSITY.  We're covering two major topics: the consequences of major geologic and climatic events and it's effect on the diversity of life on planet Earth AND a quick overview of some of the simplest life forms on Earth - Bacteria, Archaea, and Viruses.

Chapter 25: The History of Life on Earth.  This chapter provides an overview of the changes in geology, climate, and life forms that characterize Earth’s history.

  - Skim section 25.1. This section provides an overview of Earth’s geological history and details methods used to date ancient rocks
  - Read section 25.2 carefully. In this section, the authors describe continental drift and major changes in Earth’s climate over time.
  - The chapter ends with coverage of the fossil record (its strengths and limitations) and major patterns in the history of life, including origins, radiations, and extinctions of major groups –Chp 25.3 – read this section thoroughly.

Chapter 26: Bacteria, Archaea, and Viruses.