Overview A top-selling teacher resource line, The 100+ Series(TM) features over 100 reproducible activities in each book! --Bring deeper understanding to your science/biology classroom through the use of Life Science. The true-to-life drawings and wide variety of topics including systems, cycles, and kingdoms of living things serve as excellent supplements to your already information-rich curriculum. The well-chosen vocabulary on each page blends well with most all biology texts, making this an ideal resource for all comprehensive life science teachers and students.