Online Textbook
http://beep.browardschools.com/ssoPortal/index.html
Choose student on the left side of the page
Username - is your student number
Password - is your birthday mm/dd/yyyy ***** you must use the / marks between the month, day, and year *****
Select Science under the Grade 9-12 column
Under Senior High select Holt Biology Florida 2006 which can be found next to Biology I (Core) (Holt. Rinehart, and Winston)
And there's your book :)
On the top left side of the page you can select which chapter you would like to view