Khan Academy
Khan Academy: Biology: Intro to Biology: Preparing to Study Biology
This article list some fundamental topics for students to review over before studying biology.
CK-12 Foundation
Ck 12: Biology: Basics of Science Study Guide
This comprehensive study guide covers the key terms and basic concepts needed for an intro to science unit.
Talk Origins Archive
Talk.origins: Introduction to Evolutionary Biology
An article giving a brief introduction to evolutionary biology. The article addresses misconceptions as well as the basics of the theory of evolution.