Welcome to the Student Website for Life: The Science of Biology, Seventh Edition, by William K. Purves, David Sadava, Gordon H. Orians, and H. Craig Heller.
This site is designed to help students review key concepts from the textbook through interactive exercises and learning tools. Resources are organized by chapter of the textbook and by content type. To access resources, please select a Chapter or Category below.
Before proceeding, please click the System Check
link below and be sure you have the correct versions of all the required software installed. Note that Adobe Acrobat Reader Version 6 is required.
If you are using the Previous Edition, click here!