This module contains lecture PowerPoint slides in pptx format for chapters 11-15 and 19-21 for the Concepts of Biology book by Rice University.  These slides contain tables, illustrations and text and are suitable for use in face-to-face, hybrid and online classes.  They contain extensive text and could be utilized as instructor notes as well.  The Concepts of Biology book can be downloaded on the following website:  https://openstax.org/.