Instructions to gain access to the Mastering Biology website:

We hope you enjoy your access to the textbook companion site.  Follow the registration steps below to access your textbook resources.  Each teacher code will work for 2 teachers and each student code will work for up to 50 students.


1.  Register at

2.  Your code(s) begin with the letters SE or SS

3.  Click on Covered Titles to Select Discipline and Title (our textbook is the 9th ed. of Campbell Biology, author is Reece)

4.  Choose Student Registration

5.  Accept - Pearson License Agreement

6.  Access Information -


          * Enter or create your username & password

          * Enter the access code below:





7.  Account Information - complete or verify your name & school information 8.  Confirmation & Summary