Chapter 2: Matter, Energy, and Life

sage thrasher
Like almost all organisms, this sage thrasher’s diet depends on photosynthesis.

Learning Outcomes

After studying this chapter, you should be able to:

  • Describe matter and elements
  • Describe the ways in which carbon is critical to life
  • Describe the roles of cells in organisms
  • Compare and contrast prokaryotic cells and eukaryotic cells
  • Summarize the process of photosynthesis and explain its relevance to other living things

Chapter Outline

  • 2.1 Matter
  • 2.2 Energy
  • 2.3 A Cell is the Smallest Unit of Life
  • 2.4 Energy Enters Ecosystems Through Photosynthesis
  • 2.5 Chapter Resources


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Introduction to Environmental Sciences and Sustainability Copyright © 2023 by Emily P. Harris is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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