Students
Your subscription is pre-paid with the purchase of a new copy of Biology: Life on Earth, Eighth edition, or Biology: Life on Earth with Physiology, Eighth edition by Gerald Audesirk, Teresa Audesirk and Bruce E. Byers. You will find instructions for accessing the site packaged with the textbook.

If your textbook does not have a valid access code, you can purchase a subscription online using your Visa, MasterCard or American Express:

Purchase a subscription to the website with the E-Book.
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Instructors
A complimentary subscription is available for instructors only. You will be given access to the entire site. To request this subscription, please contact your local Benjamin Cummings sales representative.