High School Biology Unlocked

**UNLOCK THE SECRETS OF BIOLOGY with THE PRINCETON REVIEW.

**High School Biology Unlocked focuses on giving you a wide range of lessons to help increase your understanding of biology. With this book, you'll move from foundational concepts to a look at the way biology affects your life every day. End-of-chapter drills will help test your comprehension of each facet of biology, from molecules to mammals. Don't feel locked out!

Everything You Need to Know About Biology.
• Complex concepts explained in straightforward ways
• Walk-throughs of the ins and outs of key biology topics
• Clear goals and self-assessments to help you pinpoint areas for further review
• Guided examples of how to solve problems for common topics 

**Practice Your Way to Excellence.
**• 100+ hands-on practice questions, seeded throughout the chapters and online
• Complete answer explanations to boost understanding
• Bonus online questions similar to those you'll find on the AP Biology Exam and the SAT Biology E/M Subject Test

High School Biology Unlocked covers:
• The Nature of Science
• Biomolecules and Processing the Genome
• Cells and Cellular Energy
• The Human Body
• Genetics
• Diseases
• Plants
• Ecology
• Biological Evolution
... and more!