Workbook Features: - Ages 11-18, Grades 6-12- 128 pages, 8 1/2 inches x 10 1/2 inches - Covers genetics, atoms, elements, compounds and bonds, and more - Features self quizzes and practice pages- Key word definitions and answer key includedScience Matters: Give your students the reinforcement they need with the 128-page comprehensive Biology Workbook for grades 6-12. This book includes realistic diagrams and engaging activities to support practice in all areas of biology.Versatile Resource: This workbook is the perfect skill-building resource for both home and school! The activities in this book reinforce essential science skill practice in the areas of life science, physical science, and earth science. Correlated To Current State Standards: This book covers matter and atoms, cells, classifying animals, genetics, plant and animal structures, human body systems, and ecological relationships--featuring engaging activities and an answer key.The 100 Series: For decades, the 100+ series has been a favorite resource among teachers for daily review and reinforcement. Each title features in-depth practice activities for key subject area skills.Why Carson Dellosa: For more than 45 years, Carson Dellosa has provided solutions for parents and teachers to help their children get ahead and exceed learning goals. Carson Dellosa supports your child's educational journey every step of the way.