The average reader will spend 6 hours and 19 minutes reading this book at 250 WPM (words per minute).
Prep, Sterling Test
based on page count
Sterling Test Prep
January 1, 2017
Over 1,500 high yield biology practice questions with detailed explanations covering all topics tested on AP Biology. Detailed explanations include the foundations and details of important science topics. Learn important biology concepts and the relationships between them to prepare for the exam and increase your score.